CFR›Title 40›Chapter I›Part 142›Subpart D ContainsSections 142.30–142.34CorpusDaily eCFRDisplayed edition2026-11-03Last updated2026-11-03 Subpart D—Federal Enforcement Sections 142.30 § 142.30 Failure by State to assure enforcement. 142.31 § 142.31 [Reserved] 142.32 § 142.32 Petition for public hearing. 142.33 § 142.33 Public hearing. 142.34 § 142.34 Entry and inspection of public water systems. Previous C Subpart C—Review of State-Issued Variances and Exemptions Next E Subpart E—Variances Issued by the Administrator Under Section 1415(a) of the Act