CFR›Title 18›Chapter III›Part 420›Subject Group Water Supply Policy ContainsSections 420.21–420.24CorpusDaily eCFRDisplayed edition2026-04-24Last updated2026-04-24 Sections 420.21 § 420.21 Policy. 420.22 § 420.22 Prohibition; sanctions. 420.23 § 420.23 Exempt uses under the Compact. 420.24 § 420.24 Effective date of rates. Previous Hydroelectric Power Water Use Charges Hydroelectric Power Water Use Charges