30 U.S.C. § 1021 : Mineral Lands And Mining — Geothermal Resources — Federal Exemption From State Water Laws Date: 14 Dec 2016 TEXT PDF 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.) Amendments 2005—Pub. L. 109–58 inserted section catchline.