CFR›Title 18›Chapter III›Part 420›Subject Group Charges; Exemptions ContainsSections 420.41–420.45CorpusDaily eCFRDisplayed edition2026-04-24Last updated2026-04-24 Sections 420.41 § 420.41 Schedule of water charges. 420.42 § 420.42 Contracts; minimum charge. 420.43 § 420.43 Exempt use. 420.44 § 420.44 Cooling water. 420.45 § 420.45 Historical use. Next Entitlement; Measurement; Billing Entitlement; Measurement; Billing