Nothing in this chapter shall constitute an express or implied claim or denial on the part of the Federal Government as to its exemption from State water laws. ( Pub. L. 91–581, § 22 , Dec. 24, 1970 , 84 Stat. 1573 ; Pub. L. 109–58, title II, § 236(20) , Aug. 8, 2005 , 119 Stat. 673 .) Editorial Notes Amendments 2005— Pub. L. 109–58 inserted section catchline. CFR Title Parts 30 203 , 1202 , 1206 , 1207 , 1212 , 1218 , 1241 , 1243 43 3200 , 3280