33 CFR Part 208 — Flood Control Regulations

PART 208—FLOOD CONTROL REGULATIONS Authority: Sec. 7, 58 Stat. 890; 33 U.S.C. 709. § 208.10 Local flood protection works; maintenance and operation of structures and facilities. (a) General. (2) The State, political subdivision thereof, or other responsible local agency, which furnished assurance that it will maintain and operate flood control works in accordance with regulations prescribed by the Secretary of the Army, as required by law, shall appoint a permanent committee consisting of or headed by an official hereinafter called the “Superintendent,” who shall be responsible for the development and maintenance of, and directly in charge of, an organization responsible for the efficient operation and maintenance of all of the structures and facilities during flood periods and for continuous inspection and maintenance of the project works during periods of low water, all without cost to the United States. (3) A reserve supply of materials needed during a flood emergency shall be kept on hand at all times. (4) No encroachment or trespass which will adversely affect the efficient operation or maintenance of the project works shall be permitted upon the rights-of-way for the protective facilities. (5) No improvement shall be passed over, under, or through the walls, levees, improved channels or floodways, nor shall any excavation or construction be permitted within the limits of the project right-of-way, nor shall any change be made in any feature of the works without prior determination by the District Engineer of the Department of the Army or his authorized representative that such improvement, excavation, construction, or alteration will not adversely affect the functioning of the protective facilities. Such improvements or alterations as may be found to be desirable and permissible under the above determination shall be constructed in accordance with standard engineering practice. Advice regarding the effect of proposed improvements or alterations on the functioning of the project and information concerning methods of construction acceptable under standard engineering practice shall be obtained from the District Engineer or, if otherwise obtained, shall be submitted for his approval. Drawings or prints showing such improvements or alterations as finally constructed shall be furnished the District Engineer after completion of the work. (6) It shall be the duty of the superintendent to submit a semiannual report to the District Engineer covering inspection, maintenance, and operation of the protective works. (7) The District Engineer or his authorized representatives shall have access at all times to all portions of the protective works. (8) Maintenance measures or repairs which the District Engineer deems necessary shall be promptly taken or made. (9) Appropriate measures shall be taken by local authorities to insure that the activities of all local organizations operating public or private facilities connected with the protective works are coordinated with those of the Superintendent's organization during flood periods. (10) The Department of the Army will furnish local interests with an Operation and Maintenance Manual for each completed project, or separate useful part thereof, to assist them in carrying out their obligations under this part. (b) Levees Maintenance. (i) No unusual settlement, sloughing, or material loss of grade or levee cross section has taken place; (ii) No caving has occurred on either the land side or the river side of the levee which might affect the stability of the levee section; (iii) No seepage, saturated areas, or sand boils are occurring; (iv) Toe drainage systems and pressure relief wells are in good working condition, and that such facilities are not becoming clogged; (v) Drains through the levees and gates on said drains are in good working condition; (vi) No revetment work or riprap has been displaced, washed out, or removed; (vii) No action is being taken, such as burning grass and weeds during inappropriate seasons, which will retard or destroy the growth of sod; (viii) Access roads to and on the levee are being properly maintained; (ix) Cattle guards and gates are in good condition; (x) Crown of levee is shaped so as to drain readily, and roadway thereon, if any, is well shaped and maintained; (xi) There is no unauthorized grazing or vehicular traffic on the levees; (xii) Encroachments are not being made on the levee right-of-way which might endanger the structure or hinder its proper and efficient functioning during times of emergency. Such inspections shall be made immediately prior to the beginning of the flood season; immediately following each major high water period, and otherwise at intervals not exceeding 90 days, and such intermediate times as may be necessary to insure the best possible care of the levee. Immediate steps will be taken to correct dangerous conditions disclosed by such inspections. Regular maintenance repair measures shall be accomplished during the appropriate season as scheduled by the Superintendent. (2) Operation. (i) There are no indications of slides or sloughs developing; (ii) Wave wash or scouring action is not occurring; (iii) No low reaches of leave exist which may be overtopped; (iv) No other conditions exist which might endanger the structure. Appropriate advance measures will be taken to insure the availability of adequate labor and materials to meet all contingencies. Immediate steps will be taken to control any condition which endangers the levee and to repair the damaged section. (c) Flood walls Maintenance. (i) No seepage, saturated areas, or sand boils are occurring; (ii) No undue settlement has occurred which affects the stability of the wall or its water tightness; (iii) No trees exist, the roots of which might extend under the wall and offer accelerated seepage paths; (iv) The concrete has not undergone cracking, chipping, or breaking to an extent which might affect the stability of the wall or its water tightness; (v) There are no encroachments upon the right-of-way which might endanger the structure or hinder its functioning in time of flood; (vi) Care is being exercised to prevent accumulation of trash and debris adjacent to walls, and to insure that no fires are being built near them; (vii) No bank caving conditions exist riverward of the wall which might endanger its stability; (viii) Toe drainage systems and pressure relief wells are in good working condition, and that such facilities are not becoming clogged. Such inspections shall be made immediately prior to the beginning of the flood season, immediately following each major high water period, and otherwise at intervals not exceeding 90 days. Measures to eliminate encroachments and effect repairs found necessary by such inspections shall be undertaken immediately. All repairs shall be accomplished by methods acceptable in standard engineering practice. (2) Operation. (d) Drainage structures Maintenance. (i) Pipes, gates, operating mechanism, riprap, and headwalls are in good condition; (ii) Inlet and outlet channels are open; (iii) Care is being exercised to prevent the accumulation of trash and debris near the structures and that no fires are being built near bituminous coated pipes; (iv) Erosion is not occurring adjacent to the structure which might endanger its water tightness or stability. Immediate steps will be taken to repair damage, replace missing or broken parts, or remedy adverse conditions disclosed by such inspections. (2) Operation. (e) Closure structures Maintenance. (i) No parts are missing; (ii) Metal parts are adequately covered with paint; (iii) All movable parts are in satisfactory working order; (iv) Proper closure can be made promptly when necessary; (v) Sufficient materials are on hand for the erection of sand bag closures and that the location of such materials will be readily accessible in times of emergency. Tools and parts shall not be removed for other use. Trial erections of one or more closure structures shall be made once each year, alternating the structures chosen so that each gate will be erected at least once in each 3-year period. Trial erection of all closure structures shall be made whenever a change is made in key operating personnel. Where railroad operation makes trial erection of a closure structure infeasible, rigorous inspection and drill of operating personnel may be substituted therefor. Trial erection of sand bag closures is not required. Closure materials will be carefully checked prior to and following flood periods, and damaged or missing parts shall be repaired or replaced immediately. (2) Operation. (f) Pumping plants Maintenance. (2) Operation. (g) Channels and floodways Maintenance. (i) The channel or floodway is clear of debris, weeds, and wild growth; (ii) The channel or floodway is not being restricted by the depositing of waste materials, building of unauthorized structures or other encroachments; (iii) The capacity of the channel or floodway is not being reduced by the formation of shoals; (iv) Banks are not being damaged by rain or wave wash, and that no sloughing of banks has occurred; (v) Riprap sections and deflection dikes and walls are in good condition; (vi) Approach and egress channels adjacent to the improved channel or floodway are sufficiently clear of obstructions and debris to permit proper functioning of the project works. Such inspections shall be made prior to the beginning of the flood season and otherwise at intervals not to exceed 90 days. Immediate steps will be taken to remedy any adverse conditions disclosed by such inspections. Measures will be taken by the Superintendent to promote the growth of grass on bank slopes and earth deflection dikes. The Superintendent shall provide for periodic repair and cleaning of debris basins, check dams, and related structures as may be necessary. (2) Operation. (h) Miscellaneous facilities Maintenance. (2) Operation. (Sec. 3, 49 Stat. 1571, as amended; 33 U.S.C. 701c) [9 FR 9999, Aug. 17, 1944; 9 FR 10203, Aug. 22, 1944] § 208.11 Regulations for use of storage allocated for flood control or navigation and/or project operation at reservoirs subject to prescription of rules and regulations by the Secretary of the Army in the interest of flood control and navigation. (a) Purpose. (b) Responsibilities. (1) Section 7 of the Flood Control Act of 1944 (58 Stat. 890, 33 U.S.C. 709) directs the Secretary of the Army to prescribe regulations for flood control and navigation in the following manner: Hereafter, it shall be the duty of the Secretary of War to prescribe regulations for the use of storage allocated for flood control or navigation at all reservoirs constructed wholly or in part with Federal funds provided on the basis of such purposes, and the operation of any such project shall be in accordance with such regulations: Provided, (2) Section 9 of Public Law 436-83d Congress (68 Stat. 303) provides for the development of the Coosa River, Alabama and Georgia, and directs the Secretary of the Army to prescribe rules and regulations for project operation in the interest of flood control and navigation as follows: The operation and maintenance of the dams shall be subject to reasonable rules and regulations of the Secretary of the Army in the interest of flood control and navigation. Note: This Regulation will also be applicable to dam and reservoir projects operated under provisions of future legislative acts wherein the Secretary of the Army is directed to prescribe rules and regulations in the interest of flood control and navigation. The Chief of Engineers, U.S. Army Corps of Engineers, is designated the duly authorized representative of the Secretary of the Army to exercise the authority set out in the Congressional Acts. This Regulation will normally be implemented by letters of understanding between the Corps of Engineers and project owner and will incorporate the provisions of such letters of understanding prior to the time construction renders the project capable of significant impoundment of water. A water control agreement signed by both parties will follow when deliberate impoundment first begins or at such time as the responsibilities of any Corps-owned projects may be transferred to another entity. Promulgation of this Regulation for a given project will occur at such time as the name of the project appears in the Federal Register Federal Register (3) Federal Energy Regulatory Commission (FERC), formerly Federal Power Commission (FPC), Licenses. (i) Responsibilities of the Secretary of the Army and/or the Chief of Engineers in FERC licensing actions are set forth in reference 3c above and pertinent sections are cited herein. The Commission may further stipulate as a licensing condition, that a licensee enter into an agreement with the Department of the Army providing for operation of the project during flood times, in accordance with rules and regulations prescribed by the Secretary of the Army. (A) Section 4(e) of the Federal Power Act requires approval by the Chief of Engineers and the Secretary of the Army of plans of dams or other structures affecting the navigable capacity of any navigable waters of the United States, prior to issuance of a license by the Commission as follows: The Commission is hereby authorized and empowered to issue licenses to citizens * * * for the purpose of constructing, operating and maintaining dams, water conduits, reservoirs, powerhouses, transmission lines, or other project works necessary or convenient for the development and improvement of navigation and for the development, transmission, and utilization of power across, along, from or in any of the streams or other bodies of water over which Congress has jurisdiction * * * Provided further, (B) Sections 10(a) and 10(c) of the Federal Power Act specify conditions of project licenses including the following: (1) Section 10(a). (2) Section 10(c). (C) Section 18 of the Federal Power Act directs the operation of any navigation facilities built under the provision of that Act, be controlled by rules and regulations prescribed by the Secretary of the Army as follows: The operation of any navigation facilities which may be constructed as part of or in connection with any dam or diversion structure built under the provisions of this Act, whether at the expense of a licensee hereunder or of the United States, shall at all times be controlled by such reasonable rules and regulations in the interest of navigation; including the control of the pool caused by such dam or diversion structure as may be made from time to time by the Secretary of the Army, * * *. (ii) Federal Power Commission Order No. 540 issued October 31, 1975, and published November 7, 1975 (40 FR 51998), amending § 2.9 of the Commission's General Policy and Interpretations prescribed Standardized Conditions (Forms) for Inclusion in Preliminary Permits and Licenses Issued Under part I of the Federal Power Act. As an example, Article 12 of Standard Form L-3, titled: “Terms and Conditions of License for Constructed Major Projects Affecting Navigable Waters of the United States,” sets forth the Commission's interpretation of appropriate sections of the Act, which deal with navigation aspects, and attendant responsibilities of the Secretary of the Army in licensing actions as follows: The United States specifically retains and safeguards the right to use water in such amount, to be determined by the Secretary of the Army, as may be necessary for the purposes of navigation on the navigable waterway affected; and the operations of the Licensee, so far as they affect the use, storage and discharge from storage of waters affected by the license, shall at all times be controlled by such reasonable rules and regulations as the Secretary of the Army may prescribe in the interest of navigation, and as the Commission may prescribe for the protection of life, health, and property, * * * and the Licensee shall release water from the project reservoir at such rate * * * as the Secretary of the Army may prescribe in the interest of navigation, or as the Commission may prescribe for the other purposes hereinbefore mentioned. (c) Scope and terminology. (1) The terms reservoir project (2) The term project owner (3) The term letter of understanding (4) The term water control agreement (5) For the purpose of this regulation, the term water control plan (6) The term real-time (d) Procedures Conditions during project formulation. (2) Corps of Engineers involvement. (3) Corps of Engineers implementation of real-time water control decisions. (4) Water control plan and manual. (5) Water control agreement. (ii) When deemed necessary by the Corps of Engineers, information given on the water control diagram or release schedule will be supplemented by appropriate text to assure mutual understanding on certain details or other important aspects of the water control plan not covered in this regulation, on the water control diagram or in the release schedule. This material will include clarification of any aspects that might otherwise result in unsatisfactory project performance in the interest of flood control and/or navigation. Supplementation of the agreement will be necessary for each project where the Corps of Engineers exercises the discretionary authority to prescribe the flood control regulation on a day-to-day (real-time) basis. The agreement will include delegation of the responsibility. The document should also cite, as appropriate, section 7 of the 1944 Flood Control Act, the Federal Power Act and/or other congressional legislation authorizing construction and/or directing operation of the project. (iii) All flood control regulations published in the Federal Register (iv) Nothing in this regulation prohibits the promulgation of specific regulations for a project in compliance with the authorizing acts, when agreement on acceptable regulations cannot be reached between the Corps of Engineers and the owner. (6) Hydrometeorological instrumentation. (7) Project safety. (8) Notification of the general public. (9) Other generalized requirements for flood control and navigation. (ii) Any water impounded in the flood control space defined by the water control agreement shall be evacuated as rapidly as can be safely accomplished without causing downstream flows to exceed the controlling rates; i.e. (iii) Nothing in the plan of regulation for flood control shall be construed to require or allow dangerously rapid changes in magnitudes of releases. Releases will be made in a manner consistent with requirements for protecting the dam and reservoir from major damage during passage of the maximum design flood for the project. (iv) The project owner shall monitor current reservoir and hydro- meteorological conditions in and adjacent to the watershed and downstream of the damsite, as necessary. This and any other pertinent information shall be reported to the Corps of Engineers on a timely basis, in accordance with standing instructions to the damtender or other means requested by the Corps of Engineers. (v) In all cases where the project owner retains responsibility for real-time implementation of the water control plan, he shall make current determinations of: Reservoir inflow, flood control storage utilized, and scheduled releases. He shall also determine storage space and releases required to comply with the water control plan prescribed by the Corps of Engineers. The owner shall report this information on a timely basis as requested by the Corps of Engineers. (vi) The water control plan is subject to temporary modification by the Corps of Engineers if found necessary in time of emergency. Requests for and action on such modifications may be made by the fastest means of communication available. The action taken shall be confirmed in writing the same day to the project owner and shall include justification for the action. (vii) The project owner may temporarily deviate from the water control plan in the event an immediate short-term departure is deemed necessary for emergency reasons to protect the safety of the dam, or to avoid other serious hazards. Such actions shall be immediately reported by the fastest means of communication available. Actions shall be confirmed in writing the same day to the Corps of Engineers and shall include justification for the action. Continuation of the deviation will require the express approval of the Chief of Engineers, or his duly authorized representative. (viii) Advance approval of the Chief of Engineers, or his duly authorized representative, is required prior to any deviation from the plan of regulation prescribed or approved by the Corps of Engineers in the interest of flood control and/or navigation, except in emergency situations provided for in paragraph (d)(9)(vii) of this section. When conditions appear to warrant a prolonged deviation from the approved plan, the project owner and the Corps of Engineers will jointly investigate and evaluate the proposed deviation to insure that the overall integrity of the plan would not be unduly compromised. Approval of prolonged deviations will not be granted unless such investigations and evaluations have been conducted to the extent deemed necessary by the Chief of Engineers, or his designated representatives, to fully substantiate the deviation. (10) Revisions. (11) Federal Register. Federal Register (i) Reservoir, dam, and lake names, (ii) Stream, county, and State corresponding to the damsite location, (iii) The maximum current storage space in acre-feet to be reserved exclusively for flood control and/or navigation purposes, or any multiple-use space (intermingled) when flood control or navigation is one of the purposes, with corresponding elevations in feet above mean sea level, and area in acres, at the upper and lower limits of said space, (iv) The name of the project owner, and (v) Congressional legislation authorizing the project for Federal participation. (e) List of projects. List of Projects [Non-Corps projects with Corps Regulation Requirements] Project name 1 State County Stream 1 Project purpose 2 Storage 1000 AF Elev limits feet M.S.L. Area in acres Authorizing legis. 3 Proj. owner 4 Upper Lower Upper Lower Agency Valley Dam & Res OR Malheur N Fork Malheur R FICR 60.0 3340.0 3263.0 1900 0 PL 68-292 USBR. Alpine Dam IL Winnebago Keith Cr F 0.6 796.0 760.0 52 0 PWA Proj Rkfd, IL. Altus Dam & Res OK Jackson N Fork Red R F 19.6 1562.0 1559.0 6800 6260 PL 761 USBR. Anderson Ranch Dam & Res ID Elmore S Fk Boise R FEI 423.2 4196.0 4039.6 4740 1150 Act of 1939 53 Stat 1187 USBR. Arbuckle Dam & Res OK Murray Rock Cr F 36.4 885.3 872.0 3130 2350 PL 594 USBR. Arrowrock Dam & Res ID Elmore Boise R FI 286.6 3216.0 2974.0 3100 200 Act of 1902 32 Stat 388 USBR. Bear Cr Dam MO Marion Ralls Bear Cr F 8.7 546.5 520.0 540 0 PL 83-780 Hnbl, MO. Bear Swamp Fife Brook (Lo) MA Franklin Deerfield R E 6.9 870.0 830.0 152 115 FERC 2669 NEPC. Bear Swamp PS (Upper) MA Franklin Deerfield R Trib E 8.9 1600.0 1550.0 118 102 Fed Pwr Act NEPC. Bellows Falls Dam & Lk VT Cheshire Connecticut R E 7.5 291.6 273.6 2804 836 FERC 1885 NEPC. Big Dry Creek and Div CA Fresno Big Dry Cr & Dog Cr F 16.2 425.0 393.0 1530 0 PL 77-228 Rclm, B CA. Blue Mesa Dam & Res CO Gunnison Gunnison R FER 748.5 7519.4 7393.0 9180 2790 PL 84-485 USBR Boca Dam & Res CA Nevada Little Truckee R I 32.8 5596.5 5521.0 873 52 PL 61-289 USBR. Bonny Dam & Res CO Yuma S Fork Republic R F 128.2 3710.0 3672.0 5036 2042 PL 78-534 USBR. Boysen Dam & Res WY Fremont Wild R F 150.4 4732.2 4725.0 22170 19560 PL 78-534 USBR. Brantley Dam & Res NM Eddy Pecos R FIRQ 348.5 3283.0 3210.7 21294 38 PL 92-515 USBR. Brownlee Dam & Res OR Baker Snake R FE 975.3 2077.0 1976.0 13840 6650 FERC No 1971-C ID Pwr. Bully Cr Dam & Res OR Malheur Bully Cr FI 31.6 2516.0 2456.8 1082 140 PL 86-248 USBR. Camanche Dam & Res CA San Joaquin Mokelumne R FRIE 200.0 235.5 205.1 7600 5507 PL 86-645 EB-MUD. Canyon Ferry Dam & Lk MT Lewis Clark Missouri R F 99.5 3800.0 3797.0 33535 32800 PL 78-534 USBR. Cedar Bluff Dam & Res KS Trego Smoky Hill R F 191.9 2166.0 2144.0 10790 6869 PL 78-534 USBR. Cheney Dam & Res KS Sedgwick N Fork Ninnescah R F 80.9 1429.9 1421.6 12420 9540 PL 86-787 USBR. Clark Canyon Dam & Res MT Beaverhead Beaverhead R F 79.1 5560.4 5546.1 5900 5160 PL 78-534 USBR. Del Valle Dam & Res CA Alameda Alameda Cr F 37.0 745.0 703.1 1060 710 PL 87-874 DWR. Don Pedro Dam & Lk CA Tuolumne Tuolumne R FIER 340.0 830.0 802.0 12900 11260 PL 78-534 M&T. East Canyon Dam & Res UT Morgan East Canyon Cr FEIM 48.0 5705.5 5578.0 684 130 PL 81-273 USBR. Echo Dam & Res UT Summit Weber R FEIM 74.0 5560.0 5450.0 1455 0 PL 81-83 USBR. Emigrant Dam & Res OR Jackson Emigrant Cr FIR 39.0 2241.0 2131.5 801 80 PL 83-606 USBR. Enders Dam & Res NE Chase Frenchman Cr F 30.0 3127.0 3112.3 2405 1707 PL 78-534 USBR. Folsom Dam & Lk CA Sacramento American R FEIM 400.0 466.0 427.0 11450 9040 USBR. Fort Cobb Dam & Res OK Caddo Pond (Cobb) Cr F 63.7 1354.8 1342.0 5980 4100 PL 419 USBR. Foss Dam & Res OK Custer Washita R F 180.6 1668.6 1652.0 13140 8800 PL 419 USBR. Friant Dam & Millerton Lk CA Fresno San Joaquin R FEIM 390.5 578.0 466.3 4850 2101 PL 75-392 USBR. Galesville Dam OR Douglas Cow Cr FEMCR 42.2 1881.5 1780.0 760 150 FERC No. 71 Dgls, CO. Gaston Dam & Res NC Halifax Roanoke R FE 63.0 203.0 200.0 22500 20300 Fed Pwr Act VA Pwr. Glen Elder Dam & Waconda Lk KS Mitchel Solomon R F 722.3 1488.3 1455.6 33682 12602 PL 78-534 USBR. Glendo Dam & Res WY Platte N Platte R F 271.9 4653.0 4635.0 17990 12370 PL 78-534 USBR. Grand Coulee Dam & FDR Lk WA Okanogan Grant Columbia R FEI 5185.5 1290.0 1208.0 82280 45592 PL 89-561 USBR. H Neely Henry Dam & Res AL Calhoun St. Clair Coosa R FE 49.7 508.0 502.5 11235 7632 PL 83-436 AL Pwr. Harris Dam & Res AL Randolph Tallapoosa R FE 215.0 793.0 785.0 10661 9012 PL 89-789 AL Pwr. Heart Butte Dm & Lk Tschida ND Grant Heart R F 147.9 2094.5 2064.5 6580 3400 PL 78-534 USBR. Hells Canyon Dam & Res OR Wallowa Snake R EN 11.7 1688.0 1683.0 2380 2280 FERC No 1971-A ID Pwr. Hoover Dam & Lk Mead NV Clark Mohave Colorado R F 1500.0 1229.0 1219.6 162700 156500 PL 70-642 USBR. Hungry Horse Dam & Res MT Flathead S Fork Flathead R FEI 2982.0 3560.0 3336.0 23800 5400 PL 78-329 USBR. Indian Valley Dam & Res CA Lake N Fork Cache Cr FIMR 40.0 1485.0 1474.0 3975 3734 PL 84-984 Yolo FC&W. Jamestown Dam & Res ND Stutsman James R F 185.4 1454.0 1429.8 13210 2090 PL 78-534 USBR. Jocassee Dam & Res SC Pickens Keowee R PRFC 1160.0 1110.0 1080.0 7565 6815 FERC 2503 USBR Pwr. Keowee Dam & Lk SC Pickens Keowee R FPMCAR 392.0 800.0 775.0 18372 13072 FERC 2503 Duke Pwr. Kerr Dam Flathead Lk MT Lake Flathead R FER 1219.0 2893.0 2883.0 125560 120000 FERC No 5 MT Pwr. Kerr Dam & Lk Hudson (Markham Ferry Project) OK Mayes Grand Neosho R F 244.2 636.0 619.0 18800 10900 PL 76-476 GRD Auth. Keyhole Dam & Res WY Crook Belle Fourche R F 140.5 4111.5 4099.3 13730 9410 PL 78-534 USBR. Kirwin Dam & Res KS Phillips N Fork Solomon R F 215.1 1757.3 1729.3 10640 5080 PL 78-534 USBR. Lake Kemp Dam & Res TX Wichita Wichita R F 234.9 1156.0 1144.0 23830 15590 SD 144 WF&C. Leesville Dam & Res VA Campbell Pttsylvnia Roanoke R EQ 37.8 613.0 600.0 3235 2400 Fed Pwr Act Appl Pwr. Lemon Dam & Res CO La Plata Florida R FIM 39.0 8148.0 8023.0 622 62 PL 84-485 USBR. Lewis M Smith Dam & Res AL Walker Culman Sipsey Fork; Black Warrior R F 280.6 522.0 510.0 25700 21200 Fed Pwr Act AL Pwr. Little Wood ID Blain Little Wood R FI 30.0 5237.3 5127.4 572 0 PL 84-993 USBR. Logan Martin Dam & Res AL Talladega Cossa R F 245.3 477.0 465.0 26310 15260 PL 83-436 AL Pwr. Los Banos Dam & Detention CA Merced Los Banos Cr R 20.6 327.8 231.2 467 0 USBR. Los Banos Dam & Detention Res CA Merced Los Banos Cr F 14.0 353.5 327.8 619 467 PL 86-488 USBR. Lost Creek Dam & Res UT Morgan Lost Cr FEIM 20.0 6005.0 5912.0 365 93 PL 81-273 USBR. Lovewell Dam & Res KS Jewell White Rock Cr F 50.5 1595.3 1582.6 5025 2986 PL 78-534 USBR. Marshall Ford Dam & Res TX Travis Colorado R F 779.8 714.0 681.0 29060 18955 PL 73-392 LCRA Mayfield Dam & Res WA Lewis Cowlitz R FER 21.4 425.0 415.0 2250 2030 FPC No 2016-A Tac WN. McGee Creek Dam & Res OK Atoka McGee Cr F 85.3 595.5 577.1 5540 3810 PL 94-423 USBR. Medicine Cr Dam Harry Strunk Lk NE Frontier Medicine Cr F 52.7 2386.2 2366.1 3483 1840 PL 78-534 USBR. Mossyrock Dam Davisson Lk WA Lewis Cowlitz R FER 1397.0 778.5 600.0 11830 4250 FERC No 2016-B Tac, WN Mt Park Dam Tom Steed Res OK Kiowa W Otter Cr F 20.3 1414.0 1411.0 7130 6400 PL 90-503 USBR. Navajo Dam & Res NM San Juan San Juan R FEIRQ 1036.1 6085.0 5990.0 15610 7400 PL 84-485 USBR. New Bullards Bar Dam & Res CA Yuba Yuba R FEIMR 170.0 1956.0 1918.3 4809 4225 PL 89-298 YCWA. New Exchequer Dam & Lk CA Tuolumne Merced R FEIR 400.0 867.0 799.7 7110 4849 PL 86-645 Mrcd, Irr. New Melones Dam & Lk CA Tuolumne Stanislaus R FEIMR 450.0 1088.0 1049.5 12500 10900 PL 87-874 USBR. Northfield Mt (Up) PS MA Franklin Connecticut E 14.0 965.0 938.0 196 134 FERC 1889 WMEC. Norton Dam & Kieth Sebelius Lk KS Norton Prairie Dog Cr F 98.8 2331.4 2304.3 5316 2181 PL 78-534 USBR. Ochoco Dam & Res OR Crook Ochoco Cr FICR 52.5 3136.2 0.0 1130 130 PL 84-992 USBR. Oroville Dam & Lk CA Butte Feather R FEIMAR 750.0 900.0 848.5 15800 13346 PL 85-500 CA. Pactola Dam & Res SD Pennington Rapid Cr F 43.1 4621.5 4580.2 1230 860 PL 78-534 USBR. Palisades Dam & Res ID Bonneville Snake R FIE 1202.0 5620.0 5452.0 16100 2170 PL 81-864 USBR. Paonia Dam & Res CO Gunnision Muddy Cr FIR 17.0 6447.5 6373.0 334 120 PL 80-177 USBR. Pensacola Dam Grand Lake O' the Cherokees OK Mayes Grand (Neosho) R F 525.0 755.0 745.0 59200 46500 PL 77-228 Grd, Auth. Pineview Dam & Res UT Weber Odgen R FEIM 110.0 4900.0 4818.0 2874 0 PL 81-273 USBR. Platoro Dam & Res CO Conejos Conejos R F 6.0 10034.0 10027.5 947 920 PL 76-640 USBR. Priest Rapids Dam & Res WA Grant Columbia R FER 44.0 488.0 481.5 7600 6500 FERC No 2114-A Grnt, PUD. Prineville Dam & Res OR Crook Crooked R FIRC 233.0 3257.9 3114.0 3997 140 PL-84-992 USBR. Prosser Cr Dam & Res CA Nevada Prosser Cr C 8.6 5703.7 5661.0 334 86 PL 84-858 USBR. Pueblo Dam & Res CO Pueblo Arkansas R F 93.0 4898.7 4880.5 5671 4640 PL 87-590 USBR. Red Willow Dam Hugh Butler Lk NE Frontier Red Willow Cr F 48.9 2604.9 2581.8 2682 1629 PL 78-534 USBR. Ririe Dam & Res ID Bonneville Willow Cr FIRC 99.0 5119.0 5023.0 150 360 PL 87-874 USBR. Roanoke Rapids Dam & Res NC Halifax Roanoke R EC 16.8 132.0 128.0 4600 4100 FPC 2009 VA, Pwr. Rocky Reach Dam Lk Entiat WA Chelan Columbia R FER 36.0 707.0 703.0 9920 9490 FERC No 2145 Chln PUD. Rocky River PS Lk Candlewood CT Litchfield Housatonic R E 142.5 430.0 418.0 5608 4692 FERC 2576 CLPC. Ross Dam & Res WA Whatcom Skagit R E 1052.0 1602.5 1475.0 11700 4450 FERC 553 Sttl. Sanford Dam & Lk Meredith TX Hutchison Canadian R F 462.1 2965.0 2941.3 21640 17320 PL 81-898 USBR. Savage River Dam & Res MD Garrett Savage R FMA 20.0 1468.5 1317.0 366 0 PL 78-534 Ptmc Comm. Scoggins Dam Henry Hagg Lk Scoggins Cr FIR 56.3 305.8 235.3 116 4 PL 89-596 USBR. Shadehill Dam & Res SD Perkins Grand R F 218.3 2302.0 2271.9 9900 4800 PL 78-534 USBR. Shasta Dam Lk CA Shasta Sacramento R FEIA 1300.0 1067.0 1018.6 29570 23894 PL 75-392 USBR. Shepaug Dam & Lk CT Litchfield Housatonic R E 5.0 200.0 172.0 1882 1125 FERC 2576 CLPC. Smith Mtn Dam & Res VA Bedford Roanoke R E 40.8 795.0 793.0 20600 20200 Fed Pwr Act Appl Pwr. Stampede Dam & Res CA Sierra Little Truckee R FEM 22.0 5949.0 5942.1 3430 3230 PL 84-858 USBR. Starvation Dam and Res UT Duchesne Strawberry R FIM 165.3 5712.0 5595.0 3310 689 PL 84-485 USBR. Stevens Creek Dam & Res GA Columbia Savannah River P 10.5 187.5 183.0 4300 0 FERC 2535 SC E&G. Stevenson Dam Lk Zoar CT Litchfield Housatonic R E 5.0 108.0 80.0 1148 516 FERC 2576 CLPC. Summer Dam & Lk NM De Baca Pecos R FI 51.4 4261.0 4200.0 2835 0 PL 83-780 USBR. Tat Momolikot Dam & Lake AZ Pinal Santa Rosa Wash FIC 198.5 1539.0 1480.0 11790 0 PL 89-298 BIA. Tiber Dam & Res MT Libert Toole Marias R F 400.9 3012.5 2993.0 23150 17890 PL 78-534 USBR. Trenton Dam & Res NB Hitchcock Republican R F 134.1 2773.0 2752.0 7940 4922 PL 78-534 USBR. Turners Falls (Low) Dam & Lk MA Franklin Connecticut R E 8.7 185.0 176.0 2110 1880 FERC 1889 WMEC Twin Buttes Dam & Lake TX Tom Green Concho R F 454.4 1969.1 1940.2 23510 23510 PL 85-152 USBR Twitchell Dam & Res CA Santa Barbara Cuyama R F 89.8 651.5 623.0 3671 2556 PL 83-774 USBR Upper Baker Dam Baker Lk WA Whatcom Baker R FE 184.6 724.0 674.0 4985 2375 PL 89-298 Pgt Vallecito Dam & Res CO La Plata Los Pinos R FEI 125.4 7665.0 7582.5 2720 350 PL 61-288 USBR Vernon Dam & Lk VT Windham Connecticut R E 18.3 220.1 212.1 2550 1980 FERC 1904 NEPC Wanapum Dam & Res WA Grant Columbia R FER 151.6 571.5 560.0 14300 13350 FERC No 2114-B Grnt Wanship Dam & Rockport UT Summit Weber R FEIM 61.0 6037.0 5930.0 1077 121 PL 81-273 USBR Warm Springs Dam & Res OR Malheur Middle Fork Malheur R FICR 191.0 3406.0 3327.0 460 90 PL 78-534 Vale Waterbury Dam & Res VT Washington Little R FP 27.7 617.5 592.0 1330 890 PL 78-534 VT Webster Dam & Res KS Rocks S Fork Solomon R F 183.4 1923.7 1892.5 8480 3772 PL 78-534 USBR Weiss Dam & Res AL Cherokee Coosa R F 397.0 574.0 564.0 50000 30200 PL 83-436 AL Pwr Wells Dam L Pateros WA Douglas Columbia R FER 74.0 781.0 771.0 10000 8000 FERC No 2149 Dgls Wilder Dam & Lk VT Windsor Connecticut R E 13.3 385.0 380.0 3100 2240 FERC 1893 NEPC Yellowtail Dam & Bighorn Lk MT Big Horn Bighorn R F 258.3 3657.0 3640.0 17280 12600 PL 78-534 USBR 1 2 3 4 (Sec. 7, Pub. L. 78-534, 58 Stat. 890 (33 U.S.C. 709); the Federal Power Act, 41 Stat. 1063 (16 U.S.C. 791(A)); and sec. 9, Pub. L. 83-436, 68 Stat. 303) [43 FR 47184, Oct. 13, 1978, as amended at 46 FR 58075, Nov. 30, 1981; 55 FR 21508, May 24, 1990; 79 FR 13564, Mar. 11, 2014] § 208.19 Marshall Ford Dam and Reservoir (Mansfield Dam and Lake Travis), Colorado River, Texas. In the interest of flood control, the Lower Colorado River Authority (LCRA) shall operate the Marshall Ford Dam and Reservoir in accordance with the water control plan of regulation most recently approved by the U.S. Army Corps of Engineers (USACE), effective on the date specified in the approval. Information regarding the most recently approved water control plan of regulation may be obtained by contacting the LCRA offices in Austin, Texas, or the offices of the U.S. Army Corps of Engineers, Fort Worth Engineer District, in Fort Worth, Texas. [79 FR 13564, Mar. 11, 2014] § 208.22 Twin Buttes Dam and Reservoir, Middle and South Concho Rivers, Tex. The Bureau of Reclamation, or its designated agent, shall operate the Twin Buttes Dam and Reservoir in the interest of flood control as follows: (a) Whenever the Twin Buttes Reservoir level is between elevations 1,940.2 (top of conservation pool) and elevation 1,969.1 (top of flood control pool) the flood control discharge facilities shall be operated under the direction of the District Engineer, Corps of Engineers, Department of the Army, in charge of the locality, so as to reduce as much as practicable the flood damage below the reservoir. All flood control releases shall be made in amounts which, when combined with releases from San Angelo Reservoir on the North Concho River and local inflow below the dam, will not produce flows in excess of bankful capacities on the South Concho and Concho Rivers downstream of the reservoir. In order to accomplish this purpose, flows shall not exceed a 22.5-foot stage (25,000 c.f.s.) on the USGS gage on the Concho River near San Angelo, Tex. (river mile 60.9); or a 22.8-foot stage (25,000 c.f.s.) on the USGS gage near Paint Rock, Tex. (river mile 19.6). (b) When the Twin Buttes Reservoir level exceeds elevation 1,969.1 (top of flood control pool), releases shall be made at the maximum rate possible and continued until the pool elevation recedes to elevation 1,969.1 when releases shall be made to equal inflow or the maximum release permissible under paragraph (a) of this section, whichever is greater. (c) The representative of the Bureau of Reclamation in immediate charge of operation of the Twin Buttes Dam shall furnish daily to the District Engineer, Corps of Engineers, Department of the Army, in charge of the locality, a report, on forms provided by the District Engineer for this purpose, showing (1) for Twin Buttes Reservoir, the elevation of the reservoir level; number of river outlet works gates in operation with their respective openings and releases; uncontrolled spillway releases; storage; reservoir inflow; available evaporation data; and precipitation in inches; and (2) for Nasworthy Reservoir, the elevation of the reservoir level; irrigation outlet works and controlled spillway releases; storage; tailwater elevation; and reservoir inflow. Normally, one reading at 8 a.m. shall be shown for each day. Readings of all items except evaporation shall be shown for at least three observations a day when the Twin Buttes Reservoir level is above elevation 1,940.2. Whenever the Twin Buttes Reservoir level rises to elevation 1,940.2 and releases for flood regulation are necessary or appear imminent, the Bureau representative shall report at once to the District Engineer by telephone or telegraph and, unless otherwise instructed, shall report once daily thereafter in that manner until the reservoir level recedes to elevation 1,940.2. These latter reports shall reach the District Engineer by 9 a.m. each day. (d) The regulations of this section insofar as they govern use of the flood control storage capacity in Twin Buttes Reservoir above elevation 1,940.2 are subject to temporary modification in time of flood by the District Engineer, if found desirable on the basis of conditions at the time. Such desired modifications shall be communicated to the representative of the Bureau of Reclamation in immediate charge of operations of the Twin Buttes Dam by any available means of communication and shall be confirmed in writing under date of the same day to the Regional Director in charge of the locality, with a copy to the representative in charge of the Twin Buttes Dam. (e) Flood control operation shall not restrict releases necessary for municipal, industrial, and irrigation uses. (f) Releases made in accordance with the regulations of this section are subject to the condition that releases shall not be made at rates or in a manner that would be inconsistent with emergency requirements for protecting the Twin Buttes Dam and Reservoir from major damage or inconsistent with safe routing of the inflow design flood (spillway design flood). (g) The discharge characteristics of the river outlet works (capable of discharging approximately 32,470 c.f.s. with the reservoir level at elevation 1,969.1) shall be maintained in accordance with the construction plans (Bureau of Reclamation Specifications No. DC-5274 as modified by revised drawings and criteria in Designers' Operating Criteria, Twin Buttes Dam, dated February 1963). (h) All elevations stated in this section are at Twin Buttes Dam and are referred to the datum in use at that location. [31 FR 12521, Sept. 22, 1966] § 208.25 Pensacola Dam and Reservoir, Grand (Neosho) River, Okla. The representative of the agency charged with the operation of the Pensacola Dam, referred to in this section as the Representative shall operate the dam and reservoir in the interest of flood control as follows: (a) Whenever the pool stage exceeds elevation 745 at the dam, the discharge facilities shall be operated under the direction of the District Engineer, Engineer Department at Large, in charge of the locality, so as to reduce as much as practicable the flood damage below the reservoir and to limit the pool stage to elevation 755 at the dam. (b) The District Engineer will advise the Representative when inflow rates are anticipated which will raise the pool above elevation 745 at the dam. The District Engineer will also advise the Representative of essential increase in the flood control storage capacity of the reservoir which should be provided by drawing the pool down below elevation 745 at the dam in order to obtain maximum flood control benefits, with the provision that the suggested reduction in power storage shall at no time exceed the replacement volume of flow then in sight in the streams above the reservoir. (c) The Representative shall furnish the District Engineer, daily, a report showing the elevation of the reservoir pool and the tailwater, number of gates in operation, spillway and turbine releases, evaporation, storage, reservoir inflow, and precipitation in inches as shown by Agency gages. One reading shall be shown for each day with additional readings of releases for all changes in spillway gate operation, and with readings of all items except evaporation three times daily when the District Engineer advises the Representative that flood conditions are imminent. By agreement between the Representative and the District Engineer, any of the foregoing information may be furnished by telephone and may, if agreed upon, be omitted from the report. Whenever the pool is above elevation 745 at the dam the Representative shall submit additional reports by telegraph or telephone as directed by the District Engineer, with a report to be furnished immediately whenever the pool rises above elevation 745 at the dam. (d) The District Engineer will furnish the Representative with all available information and detailed instructions for operation of the reservoir in the interest of flood control during an emergency condition when communications between the dam and the District Office are broken. In the event that the District Engineer or his authorized representative cannot be reached by telephone, telegraph or by other means during a flood emergency, these instructions will govern. The provisions of paragraphs (a), (b), and (c) of this section will govern at all times except during such an emergency. (e) Elevations stated in this section are referred to Pensacola datum which is 1.07 feet below mean sea level. [10 FR 15044, Dec. 14, 1945] § 208.26 Altus Dam and Reservoir, North Fork Red River, Okla. The Bureau of Reclamation, or its designated agent, shall operate the Altus Dam and Reservoir in the interest of flood control as follows: (a) Flood control storage in the reservoir between elevation 1559 (top of conservation pool) and elevation 1562 (top of flood control pool) amounts to 21,448 acre-feet (based on 1953 sedimentation survey). Whenever the reservoir level is within this elevation range, the flood control discharge facilities shall be operated under the direction of the District Engineer, Corps of Engineers, Department of the Army, in charge of the locality, so as to reduce as much as practicable the flood damage below the dam, and to limit the reservoir level to elevation 1562 when possible. (b) When the reservoir level is below elevation 1559 and the predicted volume of runoff from the area above the dam exceeds the volume of water necessary to raise the reservoir level above elevation 1559, the reservoir will be operated to obtain maximum overall benefits which may consist of preflood releases: Provided, (c) When the reservoir level exceeds elevation 1559, releases will be made equal to inflow or 2,000 c.f.s., whichever is smaller, except that when the reservoir elevation forecast indicates that this operation will result in a reservoir level exceeding elevation 1562, releases will be increased in order to provide maximum overall benefits and prevent the reservoir level from exceeding elevation 1562, insofar as possible. The flood control pool will be emptied by continuing the peak discharge rate until the reservoir level recedes to elevation 1559, at which time releases will be made equal to inflow. (d) If the reservoir level exceeds elevation 1562 (top of flood control pool) releases shall be made at the maximum rate possible through the spillway gates, conduit, and the uncontrolled spillway and continued until the reservoir level recedes to elevation 1559, at which time releases will be made equal to inflow. (e) Whenever the reservoir level is above elevation 1559 and communication with the Bureau of Reclamation Regional Office and the Corps of Engineers District Office is unobtainable, releases shall be made equal to inflow until all gates are fully open. The maximum release thus obtained shall be maintained until the pool recedes to elevation 1559 at which time releases shall be made to equal inflow. (f) The representative of the Bureau of Reclamation, or its designated agent, in immediate charge of the operation of Altus Dam will furnish daily to the District Engineer, Corps of Engineers, Department of the Army, in charge of the locality, a report on forms provided by the District for this purpose, showing the reservoir pool elevation; the number of spillway gates in operation with their respective opening and releases; the uncontrolled spillway release; conduit, canal outlet wasteway, and irrigation releases; storage; reservoir inflow; available evaporation data; and precipitation in inches. A reading at 8 a.m., noon, 4 p.m., and midnight, shall be shown for each day. Whenever the reservoir level rises to elevation 1559 and releases for flood control regulation are necessary or appear imminent, the representative of the Bureau of Reclamation or its designated agent, shall report at once to the District Engineer by telephone or telegraph and, unless otherwise instructed, shall report at 8 a.m., noon, and 3 p.m. thereafter, in that manner, until the reservoir level recedes to elevation 1559. These latter reports shall reach the District Engineer by 9 a.m., 1 p.m., and 4 p.m. each day. (g) The regulations of this section, insofar as they govern use of the flood control storage capacity above elevation 1559 are subject to temporary modification by the District Engineer in time of flood, if found desirable on the basis of conditions at the time. Such desired modifications shall be coordinated with and approved by the Bureau of Reclamation. (h) Flood control operation shall not restrict releases necessary for irrigation, municipal, and industrial uses. (i) Releases made in accordance with the regulations of this section are subject to the conditions that releases shall not be made at rates or in a manner that would be inconsistent with emergency requirements for protecting the dam and reservoir from major damage. (j) Any time that the Bureau of Reclamation determines that operation in accordance with the regulations of this section will jeopardize the safety of Altus Dam, they will so advise the District Engineer and will assume operational responsibility and take action necessary to assure the safety of the dam. (k) The discharge characteristics of the controlled and the uncontrolled spillways (capable of discharging approximately 42,800 c.f.s. and 2,000 c.f.s., respectively, with the reservoir level at elevation 1562) shall be maintained in accordance with the construction plans (Bureau of Reclamation Drawing No. 258-D-69). (l) All elevations stated in this section are at Altus Dam and are referred to the datum in use at that location. [33 FR 12733, Sept. 7, 1968] § 208.27 Fort Cobb Dam and Reservoir, Pond (Cobb) Creek, Oklahoma. The Bureau of Reclamation shall operate the Fort Cobb Dam and Reservoir in the interest of flood control as follows: (a) Whenever the reservoir level is between elevation 1342.0, top of the conservation pool, and elevation 1354.8, top of flood control pool, the flood control discharge facilities shall be operated under the direction of the District Engineer, Corps of Engineers, Department of the Army, in charge of the locality, so as to reduce as much as practicable the flood damage below the reservoir. All flood control releases shall be made in amounts which, when combined with local inflow below the dam, will not produce flows in excess of bankfull on Pond (Cobb) Creek downstream of the reservoir and on the Washita River downstream of their confluence. In order to accomplish this purpose, flows shall not exceed a 13.0-foot stage (1,300 cfs) on the USGS gage on Pond (Cobb) Creek near Fort Cobb, Oklahoma, river mile 5.0; a 19.0-foot stage (6,000 cfs) on the USGS gage on the Washita River near Anadarko, Oklahoma, river mile 305.0; or a 19.0-foot stage on the USGS gage near Bradley, Oklahoma, river mile 210.6. (b) When the reservoir level exceeds elevation 1354.8, top of flood control pool, releases shall be made at the maximum rate possible and continued until the pool elevation recedes to elevation 1354.8 when releases shall be made to equal inflow or the maximum release permissible under paragraph (a) of this section, whichever is greater. (c) The representative of the Bureau of Reclamation in immediate charge of operation of the Fort Cobb Dam shall furnish daily to the District Engineer, Corps of Engineers, Department of the Army, in charge of the locality, a report, on forms provided by the District Engineer showing the elevation of the reservoir level; number of river outlet works gates in operation with their respective openings and releases; uncontrolled spillway and municipal outlet works release; storage; tailwater elevation; reservoir inflow; available evaporation data; and precipitation in inches. Normally, one reading at 8:00 a.m., shall be shown for each day. Readings of all items except evaporation shall be shown for at least three observations a day when the reservoir level is above elevation 1342.0. Whenever the reservoir level rises to elevation 1342.0 and releases for flood regulation are necessary or appear imminent, the Bureau representative shall report at once to the District Engineer by telephone or telegraph and, unless otherwise instructed, shall report once daily thereafter in that manner until the reservoir level recedes to elevation 1342.0. These latter reports shall reach the District Engineer by 9:00 a.m., each day. (d) The regulations of this section insofar as they govern use of the flood control storage capacity above elevation 1342.0 are subject to temporary modification in time of flood by the District Engineer if found desirable on the basis of conditions at the time. Such desired modifications shall be communicated to the representative of the Bureau of Reclamation in immediate charge of operations of the Fort Cobb Dam by any available means of communication and shall be confirmed in writing under date of the same day to the Regional Director in charge of the locality, with a copy to the representative in charge of the Fort Cobb Dam. (e) Flood control operation shall not restrict releases necessary for municipal-industrial and irrigation uses: (f) Releases made in accordance with the regulations of this section are subject to the condition that releases shall not be made at rates or in a manner that would be inconsistent with emergency requirements for protecting the dam and reservoir from major damage or inconsistent with safe routing of the inflow design flood. (g) All elevations stated in this section are at Fort Cobb Dam and are referred to the datum in use at that location. [26 FR 3190, Apr. 14, 1961] § 208.28 Foss Dam and Reservoir, Washita River, Oklahoma. The Bureau of Reclamation shall operate the Foss Dam and Reservoir in the interest of flood control as follows: (a) Whenever the reservoir level is between elevation 1652.0, top of conservation pool, and elevation 1668.6, top of flood control pool, the flood control discharge facilities shall be operated under the direction of the District Engineer, Corps of Engineers, Department of the Army, in charge of the locality, so as to reduce as much as practicable the flood damage below the reservoir. All flood control releases shall be made in amounts which, when combined with local inflow below the dam, will not produce flows in excess of bankfull on the Washita River downstream of the reservoir. In order to accomplish this purpose, flows shall not exceed an 18.0 foot stage (3,000 c.f.s.) on the USGS gage on the Washita River near Clinton, Oklahoma, river mile 447.4, or an 18.0 foot stage (6,000 c.f.s.) on the USGS gage on the Washita River near Carnegie, Oklahoma, river mile 353.9. (b) When the reservoir level exceeds elevation 1668.6, top of flood control pool, releases shall be made at the maximum rate possible through the river outlet works and uncontrolled spillway and continued until the pool elevation recedes to elevation 1668.6 when releases shall be made to equal inflow or the maximum release permissible under paragraph (a) of this section, whichever is greater. (c) The representative of the Bureau of Reclamation in immediate charge of operation of the Foss Dam shall furnish daily to the District Engineer, Corps of Engineers, Department of the Army, in charge of the locality, on forms provided by the District Engineer for this purpose, a report, showing the elevation of the reservoir level; number of river outlet works gates in operation with their respective openings and releases; canal outlet works, municipal outlet works and uncontrolled spillway releases; storage; tailwater elevation; reservoir inflow; available evaporation data; and precipitation in inches. Normally, one reading at 8:00 a.m. shall be shown for each day. Readings of all items except evaporation shall be shown for at least three observations a day when the reservoir level is above elevation 1652.0. Whenever the reservoir level rises to elevation 1652.0 and releases for flood regulation are necessary or appear imminent, the Bureau representative shall report at once to the District Engineer by telephone or telegraph and, unless otherwise instructed, shall report once daily thereafter in that manner until the reservoir level recedes to elevation 1652.0. These latter reports shall reach the District Engineer by 9:00 a.m., each day. (d) The regulations of this section insofar as they govern use of the flood control storage capacity above elevation 1652.0 are subject to temporary modification in time of flood by the District Engineer if found desirable on the basis of conditions at the time. Such desired modifications shall be communicated to the representative of the Bureau of Reclamation in immediate charge of operations of the Foss Dam by any available means of communication and shall be confirmed in writing under date of the same day to the Regional Director in charge of the locality, with a copy to the representative in charge of the Foss Dam. (e) Flood control operations shall not restrict releases necessary for municipal-industrial and irrigation uses. (f) Releases made in accordance with the regulations of this section are subject to the condition that releases shall not be made at rates or in a manner that would be inconsistent with emergency requirements for protecting the dam and reservoir from major damage or inconsistent with safe routing of the inflow design flood. (g) All elevations stated in this section are at Foss Dam and are referred to the datum in use at that location. [26 FR 6982, Aug. 3, 1961] § 208.29 Arbuckle Dam and Lake of the Arbuckles, Rock Creek, Okla. The Bureau of Reclamation, or its designated agent, shall operate the Arbuckle Dam and Lake of the Arbuckles in the interest of flood control as follows: (a) Flood control storage in Lake of the Arbuckles between elevation 872 (top of conservation pool) and elevation 885.3 (top of flood control pool) initially amounts to 36,400 acre-feet. Whenever the lake level is within this elevation range the flood control discharge facilities shall be operated under the direction of the District Engineer, Corps of Engineers, Department of the Army, in charge of the locality, so as to reduce as much as practicable of the flood damage below the lake. In order to accomplish this purpose, flood control releases shall be limited to amounts, which when combined with local inflows below the dam will not produce flows in excess of bankfull on Rock Creek downstream of the lake and on the Washita River, from the confluence of Rock Creek to Durwood, Okla. Operating stages and corresponding flows are as follows: An 11-foot stage (15,000 c.f.s.) on the U.S.G.S. gage on Rock Creek near Dougherty, Okla., river mile 1; and a 20-foot stage (15,000 c.f.s.) on the U.S.G.S. gage on the Washita River near Durwood, Okla., river mile 63.4. (b) When the level in Lake of the Arbuckles exceeds elevation 885.3 (top of flood control pool), releases shall be made at the maximum rate possible through the river outlet works and the uncontrolled spillway and continued until the lake level recedes to elevation 885.3 when releases shall be made to equal inflow or the maximum release permissible under paragraph (a) of this section, whichever is greater. (c) The representative of the Bureau of Reclamation or its designated agent in immediate charge of operation of the Arbuckle Dam shall furnish daily to the District Engineer, Corps of Engineers, Department of the Army, in charge of the locality, a report, on forms provided by the District Engineer for this purpose, showing the lake elevation; the number of river outlet works gates in operation with their respective openings and releases; uncontrolled spillway release; municipal pumping rate; tailwater elevation; available evaporation data; and precipitation in inches. Normally, a reading at 8 a.m., noon, 4 p.m., and midnight shall be shown for each day. Whenever the lake level rises to elevation 872 and releases for flood regulation are necessary or appear imminent, the representative of the Bureau of Reclamation or its designated agent, shall report at once to the District Engineer by telephone or telegraph and unless otherwise instructed shall report once daily thereafter in that manner until the lake level recedes to elevation 872. These latter reports shall reach the District Engineer by 9 a.m. each day. (d) The regulations of this section, insofar as they govern use of flood control storage capacity above elevation 872, are subject to temporary modification in time of flood by the District Engineer if found desirable on the basis of conditions at the time. Such desired modifications shall be communicated to the representative of the Bureau of Reclamation and its designated agent in immediate charge of operation of the Arbuckle Dam by any available means of communication, and shall be confirmed in writing under date of the same day to the Regional Director in charge of the locality, and his designated agent, with a copy to the representative in charge of the Arbuckle Dam. (e) Flood control operation shall not restrict pumping necessary for municipal and industrial uses and releases necessary for downstream users. (f) Releases made in accordance with the regulations of this section are subject to the condition that releases shall not be made at rates or in a manner that would be inconsistent with emergency requirements for protecting the dam and lake from major damage or inconsistent with the safe routing of the inflow design flood (spillway design flood). (g) The discharge characteristics of the river outlet works (capable of discharging approximately 1,880 c.f.s. when the lake level is at 872) shall be maintained in accordance with the construction plans (Bureau of Reclamation Specifications No. 6099 as modified by the “as built” drawings). (h) All elevations stated in this section are at Arbuckle Dam and are referred to the datum in use at that location. [33 FR 263, Jan. 9, 1968] § 208.32 Sanford Dam and Lake Meredith, Canadian River, Tex. The Bureau of Reclamation, or its designated agent, shall operate the Sanford Dam and Lake Meredith in the interest of flood control as follows: (a) Flood control storage in the reservoir, Lake Meredith, between elevation 2941.3 (top of conservation pool) and elevation 2965.0 (top of flood control pool) initially amounts to 462,100 acre-feet. Whenever the reservoir level is within this elevation range, the flood control discharge facilities shall be operated under the direction of the District Engineer, Corps of Engineers, Department of the Army, in charge of the locality, so as to reduce as much as practicable the flood damage below the reservoir. All flood control releases shall be made in amounts which, when combined with local inflow below the dam, will not produce flows in excess of bankfull on the Canadian River downstream of the reservoir. In order to accomplish this purpose, flows shall not exceed 25,000 c.f.s. at the Sanford Dam site or an 8.0-foot stage (75,000 c.f.s.) on the U.S.G.S. gage on the Canadian River near Canadian, Tex., river mile 433.9. (b) When the reservoir level exceeds elevation 2965.0 (top of flood control pool) releases shall be made at the maximum rate possible through the flood control outlet works, the river outlet works and the uncontrolled spillway and continue until the pool level recedes to elevation 2965.0 when releases will be made to equal inflow or the maximum release permissible under paragraph (a) of this section, whichever is greater. (c) The representative of the Bureau of Reclamation, or its designated agent in immediate charge of operation of the Sanford Dam will furnish daily to the District Engineer, Corps of Engineers, Department of the Army, in charge of the locality, a report, on forms provided by the District Engineer for this purpose showing the pool elevation; the number of flood control outlet works gates in operation with their respective openings and releases; the uncontrolled spillway release; and the municipal outlet works release; storage; tailwater elevation; reservoir inflow; available evaporation data; and precipitation in inches. Normally a reading at 8 a.m., noon, 4 p.m., and midnight, shall be shown for each day. Readings of all items except evaporation shall be shown for at least four observations a day when the reservoir level is at or above elevation 2941.3. Whenever the reservoir level rises to elevation 2941.3 and releases for flood regulation are necessary or appear imminent, the representative of the Bureau of Reclamation, or its designated agent, shall report at once to the District Engineer by telephone or telegraph and, unless otherwise instructed, will report once daily thereafter in that manner until the reservoir level recedes to elevation 2941.3. These latter reports shall reach the District Engineer by 9 a.m. each day. (d) The regulations of this section, insofar as they govern use of the flood control storage capacity above elevation 2941.3, are subject to temporary modification in time of flood by the District Engineer if found desirable on the basis of conditions at the time. Such desired modifications shall be communicated to the representative of the Bureau of Reclamation and its designated agent in immediate charge of operation of the Sanford Dam by the best available means of communication, and shall be confirmed in writing under date of the same day to the Regional Director in charge of the locality, and his designated agent, with a copy to the representative in charge of the Sanford Dam. (e) Flood control operation shall not restrict pumping necessary for municipal and industrial uses and releases necessary for downstream users. (f) Release made in accordance with the regulations of this section are subject to the condition that releases shall not be made at rates or in a manner that would be inconsistent with emergency requirements for protecting the dam and reservoir from major damage or inconsistent with the safe routing of the inflow design flood (spillway design flood). (g) The discharge characteristics of the flood control outlet works (capable of discharging approximately 22,000 c.f.s. with the reservoir level at elevation 2941.3) shall be maintained in accordance with the construction plans (Bureau of Reclamation Specifications No. DC-5725 as modified by revised drawings and criteria in Designers' Operating Criteria, Sanford Dam, dated October 1965). (h) All elevations stated in this section are at Sanford Dam and are referred to the datum in use at that location. [31 FR 7751, June 1, 1966] § 208.33 Cheney Dam and Reservoir, North Fork of Ninnescah River, Kans. The Bureau of Reclamation, or its designated agent, shall operate the Cheney Dam and Reservoir in the interest of flood control as follows: (a) Flood control storage in the reservoir is the capacity between elevation 1421.6 (top of the conservation pool) and elevation 1429.0 (top of the flood control pool), and initially amounts to 80,860 acre-feet. Whenever the reservoir level is within this range the flood control discharge facilities shall be operated under the direction of the District Engineer, Corps of Engineers, Department of the Army, in charge of the locality, so as to reduce as much as practicable the flood damage below the reservoir. All flood control releases shall be made in amounts which, when combined with local inflow below the dam, will not produce flows in excess of bankfull on the North Fork of Ninnescah and Ninnescah River downstream of the reservoir and on the Arkansas River to Arkansas City, Kans. In order to accomplish this, flows shall not exceed a 90-foot stage (2,500 c.f.s.) on the U.S.G.S. gage on North Fork of Ninnescah River near Cheney, Kans., river mile 8.8; a 12-foot stage (7,000 c.f.s.) on the U.S.G.S. gage on Ninnescah River near Peck, Kans., river mile 31.6; and a 16-foot stage (18,000 c.f.s.) on the U.S.W.B. gage on Arkansas River at Arkansas City, Kans., river mile 701.4. (b) When the reservoir level exceeds elevation 1429.0 (top of flood control pool), releases shall be made at the maximum rate possible through the river outlet works and the uncontrolled spillway and continued until the pool recedes to elevation 1429.0 when releases shall be made to equal inflow or the maximum release permissible under paragraph (a) of this section, whichever is greater. (c) The representative of the Bureau of Reclamation or its designated agent in immediate charge of operation of the Cheney Dam shall furnish daily to the District Engineer, Corps of Engineers, Department of the Army, in charge of the locality, a report, on forms provided by the District Engineer for this purpose, showing the pool elevation; the number of river outlet works gates in operation with their respective openings and releases; uncontrolled spillway release; municipal pumping rate; storage; tailwater elevation; reservoir inflow; available evaporation data; and precipitation in inches. Normally, a reading at 8 a.m., noon, 4 p.m., and midnight, shall be shown for each day. Whenever the reservoir pool rises to elevation 1421.6 and releases for flood regulation are necessary or appear imminent, the representative of the Bureau of Reclamation or its designated agent, shall report at once to the District Engineer by telephone or telegraph, and, unless otherwise instructed, shall report once daily thereafter in that manner until the reservoir pool recedes to elevation 1421.6. These latter reports shall reach the District Engineer by 9 a.m. each day. (d) The regulations of this section, insofar as they govern use of flood control storage capacity above elevation 1421.6, are subject to temporary modification in time of flood by the District Engineer if found desirable on the basis of conditions at the time. Such desired modifications shall be communicated to the representative of the Bureau of Reclamation and its designated agent in immediate charge of operations of the Cheney Dam by any available means of communication, and shall be confirmed in writing under date of the same day to the Regional Director in charge of the locality, and his designated agent, with a copy to the representative in charge of the Cheney Dam. (e) Flood control operation shall not restrict pumping necessary for municipal and industrial uses and releases necessary for downstream users. (f) Releases made in accordance with the regulations of this section are subject to the condition that releases shall not be made at rates or in a manner that would be inconsistent with emergency requirements for protecting the dam and reservoir from major damage or inconsistent with the safe routing of the inflow design flood (spillway design flood). (g) The discharge characteristics of the river outlet works (capable of discharging approximately 3,590 c.f.s. with the reservoir level at elevation 1421.6) shall be maintained in accordance with the construction plans (Bureau of Reclamation Specifications No. DC-5744 as modified by revised drawings and criteria in Designers' Operating Criteria, Cheney Dam, dated November 1964). (h) All elevations stated in this section are at Cheney Dam and are referred to the datum in use at that location. [31 FR 7751, June 1, 1966] § 208.34 Norman Dam and Lake Thunderbird, Little River, Okla. The Bureau of Reclamation, or its designated agent, shall operate Norman Dam and Lake Thunderbird in the interest of flood control as follows: (a) Flood control storage in Lake Thunderbird between elevation 1039 (top of the conservation pool) and elevation 1049.4 (top of flood control pool) initially amounts to 76,600 acre-feet. Whenever the reservoir level is within this elevation range the flood control discharge facilities at Norman Dam shall be operated under the direction of the District Engineer, Corps of Engineers, Department of the Army, in charge of the locality, so as to reduce as much as practicable the flood damage below the reservoir. In order to accomplish this purpose, flood control releases shall be limited to amounts which, when combined with local inflows below the dam, will not produce flows in excess of bankfull on the Little River downstream of the reservoir. Controlling bankfull stages and corresponding flows, as presently estimated, are as follows: A 7.5-foot stage (1,800 c.f.s.) on the U.S.G.S. gage on Little River near Tecumseh, Okla., river mile 77.2 and a 17-foot stage (6,500 c.f.s.) on the U.S.G.S. gage on Little River near Sasakwa, Okla., river mile 24.1. (b) When the reservoir level in Lake Thunderbird exceeds elevation 1049.4 (top of flood control pool), releases shall be made at the maximum rate possible through the river outlet works and the uncontrolled spillway and continued until the pool recedes to elevation 1049.4 when releases shall be made to equal inflow or the maximum release permissible under paragraph (a) of this section, whichever is greater. (c) The representative of the Bureau of Reclamation or its designated agent in immediate charge of operation of the Norman Dam shall furnish daily to the District Engineer, Corps of Engineers, Department of the Army, in charge of the locality, a report, on forms provided by the District Engineer showing the pool elevation; the number of river outlet works gates in operation with their respective openings and releases; uncontrolled spillway release; municipal pumping rate; storage; tail water elevation; reservoir inflow; available evaporation data; and precipitation in inches. Normally, a reading at 8 a.m., noon, 4 p.m. and midnight, shall be shown for each day. Whenever the reservoir level rises to elevation 1039 and releases for flood regulation are necessary or appear imminent, the representative of the Bureau of Reclamation or its designated agent, shall report at once to the District Engineer by telephone or telegraph and, unless otherwise instructed, shall report once daily thereafter in that manner until the reservoir level recedes to elevation 1039. These latter reports shall reach the District Engineer by 9 a.m. each day. (d) The regulations of this section, insofar as they govern use of flood control storage capacity above elevation 1039.0, are subject to temporary modification in time of flood by the District Engineer if found desirable on the basis of conditions at the time. Such desired modifications shall be communicated to the representative of the Bureau of Reclamation and its designated agent in immediate charge of operations of the Norman Dam by any available means of communication, and shall be confirmed in writing under date of the same day to the Regional Director in charge of the locality, and his designated agent, with a copy to the representative in charge of the Norman Dam. (e) Flood control operation shall not restrict pumping necessary for municipal and industrial uses and releases necessary for downstream users. (f) Releases made in accordance with the regulations of this section are subject to the condition that releases shall not be made at rates or in a manner that would be inconsistent with emergency requirements for protecting the dam and reservoir from major damage or inconsistent with the safe routing of the inflow design flood (spillway design flood). (g) The discharge characteristics of the river outlet works (capable of discharging approximately 5,400 c.f.s. with the reservoir level at elevation 1039.0) shall be maintained in accordance with the construction plans (Bureau of Reclamation Specifications No. DC-5793 as revised by the “as built drawings”). (h) All elevations stated in this section are at Norman Dam and are referred to the datum in use at that location. [34 FR 4967, Mar. 7, 1969] § 208.82 Hetch Hetchy, Cherry Valley, and Don Pedro Dams and Reservoirs. The Turlock Irrigation District and Modesto Irrigation District, acting jointly, hereinafter called the Districts, shall operate Don Pedro Dam and Reservoir in the interest of flood control, and the City and County of San Francisco, hereinafter called the City, shall operate Hetch Hetchy Dam and Reservoir and Cherry Valley Dam and Reservoir in the interest of flood control all as follows: (a) Storage space in Don Pedro Reservoir shall be kept available for flood-control purposes in accordance with the Flood-Control Storage Reservation Diagram currently in force for that reservoir, except when storage of floodwater is necessary as prescribed in paragraph (d) of this section. The Flood-Control Storage Reservation Diagram in force as of the promulgation of this section is that dated 4 April 1956, File No. TU-1-26-7, and is on file in the Office of the Chief of Engineers, Department of the Army, Washington, D.C., in the office of the Turlock Irrigation District, Turlock, California, and in the office of the Modesto Irrigation District, Modesto, California. Revisions of the Flood-Control Storage Reservation Diagram may be developed from time to time as necessary by the Corps of Engineers and the Districts. Each such revision shall be effective upon the date specified in the approval thereof by the Chief of Engineers and by the presidents of the Districts and from that date until replaced shall be the Flood-Control Storage Reservation Diagram currently in force for the purpose of this section. Copies of the Flood-Control Storage Reservation Diagram currently in force shall be kept on file in and may be obtained from the office of the District Engineer, Corps of Engineers, in charge of the locality, the office of the Turlock Irrigation District, Turlock, California, and the office of the Modesto Irrigation District, Modesto, California. (b) Storage space in Hetch Hetchy Reservoir shall be kept available for flood-control purposes in accordance with the Flood-Control Storage Reservation Diagram for that reservoir currently in force, except when storage of floodwater is necessary as prescribed in paragraph (e) of this section. The Flood-Control Storage Reservation Diagram in force as of the promulgation of this section is that dated April 4, 1956, File No. TU-3-26-1, and is on file in the Office. Chief of Engineers, Department of the Army, Washington, D.C., and in the office of the Public Utilities Commission of the City and County of San Francisco, California. Revisions of the Flood-Control Storage Reservation Diagram may be developed from time to time as necessary by the Corps of Engineers and the City. Each such revision shall be effective upon the date specified in the approval thereof by the Chief of Engineers and by the Public Utilities Commission of the City and County of San Francisco, California, and from that date until replaced shall be the Flood-Control Storage Reservation Diagram currently in force for the purpose of this section. Copies of the Flood-Control Storage Reservation Diagram currently in force shall be kept on file in and may be obtained from the office of the District Engineer, Corps of Engineers, in charge of the locality, and the office of the Public Utilities Commission of the City and County of San Francisco, California. (c) Storage space in Cherry Valley Reservoir shall be kept available for flood-control purposes in accordance with the Flood-Control Reservation Diagram currently in force for that reservoir except when storage of floodwater is necessary as prescribed in paragraph (e) of this section. The Flood-Control Storage Reservoir Diagram in force as of the promulgation of this section is that dated April 4, 1956, File No. TU-2-26-6, and is on file in the Office, Chief of Engineers, Corps of Engineers, Department of the Army, Washington, D.C., and in the office of the Public Utilities Commission of the City and County of San Francisco, California. Revisions of the Flood-Control Storage Reservation Diagram may be developed from time to time as necessary by the Corps of Engineers and the City. Each such revision shall be effective upon the date specified in the approval thereof by the Chief of Engineers and by the Public Utilities Commission of the City and County of San Francisco, California, and from that date until replaced shall be the Flood-Control Storage Reservation Diagram currently in force for the purpose of this section. Copies of the Flood-Control Storage Reservation Diagram currently in force shall be kept on file in and may be obtained from the office of the District Engineer, Corps of Engineers, in charge of the locality, and the office of the Public Utilities Commission of the City and County of San Francisco, California. (d) Any water temporarily stored in the flood-control space indicated by the Flood-Control Storage Reservation Diagram currently in force for Don Pedro Reservoir shall be released as rapidly as can be accomplished without causing flows in Tuolumne River below LaGrange Dam to exceed 7,000 c.f.s. during rain floods or to exceed 9,000 c.f.s. at all other times. (e) Any water temporarily stored in the flood-control space indicated by the Flood-Control Storage Reservation Diagrams currently in force for Hetch Hetchy and Cherry Valley Reservoirs shall be released as rapidly as can be accomplished without exceeding the respective safe channel capacities, and without materially contributing to major encroachment into the flood-control space at Don Pedro Reservoir. Such releases shall be proportioned between Hetch Hetchy and Cherry Valley Reservoirs in such manner as to assure that the percentage of encroachment into the flood-control space at the two reservoirs will tend toward equality insofar as possible. Whenever the storage space in Don Pedro Reservoir is less than 90 percent of that indicated by the Flood-Control Storage Reservation Diagram currently in force for that reservoir, releases from Hetch Hetchy and Cherry Valley Reservoirs shall be restricted to those required in connection with the generation of hydroelectric power in the power system of the City and in connection with diversion into the water supply system of the City. (f) In the event that the water level in Don Pedro Reservoir rises above elevation 605.55 at the dam (top of spillway gates), subsequent operation of the dam shall be such as to cause downstream flows to exceed as little as possible the criteria prescribed in paragraph (d) of this section, and in no event to cause the maximum subsequent release from the reservoir to exceed the estimated maximum subsequent inflow to the reservoir. (g) In the event that the water level in Hetch Hetchy Reservoir rises above elevation 3806 at the dam (top of spillway gates), subsequent operation of the dam shall be such as to cause downstream flows to exceed as little as possible the criteria prescribed in paragraph (e) of this section, and in no event to cause the maximum subsequent release from the reservoir to exceed the estimated maximum subsequent inflow to the reservoir. (h) In the event that the water level in Cherry Valley Reservoir rises above elevation 4700 at the dam (spillway crest), subsequent operation of the dam shall be such as to cause downstream flows to exceed as little as possible the criteria prescribed in paragraph (e) of this section, and in no event to cause the maximum subsequent release from the reservoir to exceed the estimated maximum subsequent inflow to the reservoir. (i) Nothing in the regulations of this section shall be construed to require dangerously rapid changes in magnitudes of releases from any of the reservoirs. (j) The Districts shall procure such current basic hydrologic data, make such current determinations of required flood-control storage reservation in Don Pedro Reservoir, and current calculations of permissible releases from Don Pedro Reservoir as are required to accomplish the flood-control objectives of the regulations of this section. (k) The City shall procure such current basic hydrologic data, and make such current calculations of permissible releases from Hetch Hetchy and Cherry Valley Reservoirs as are required to accomplish the flood-control objectives of the regulations of this section. (l) The City shall keep the District Engineer, Corps of Engineers, in charge of the locality, and the Districts currently advised of reservoir releases, reservoir storages, basic operating criteria which affect the schedule of operations, and such other operating data as the District Engineer, Corps of Engineers, may request for Hetch Hetchy, Eleanor, and Cherry Valley Reservoirs. (m) The Districts shall keep the District Engineer, Corps of Engineers, in charge of the locality, and the City currently advised of reservoir releases, reservoir storages, basic operating criteria which affect the schedule of operations, and such other operating data as the District Engineer, Corps of Engineers, may request for Don Pedro Reservoir. (n) The flood-control regulations of this section are subject to temporary modification by the District Engineer, Corps of Engineers, if found necessary in time of flood emergency. Request for and action on such modifications may be made by any available means of communication, and such action shall be confirmed in writing under date of same day to the operating agency for the reservoir affected. [21 FR 2682, Apr. 26, 1956]

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