Code of Federal Regulations > Title 40 > Chapter I > Part 142 - PART 142—NATIONAL PRIMARY DRINKING WATER REGULATIONS IMPLEMENTATION

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Regulations last checked for updates: May 21, 2025

Title 40 - Protection of Environment last revised: Apr 21, 2028

All TitlesTitle 40Chapter IPart 142 - PART 142—NATIONAL PRIMARY DRINKING WATER REGULATIONS IMPLEMENTATION

Subpart A [§ 142.1 - § 142.4] - Subpart A—General Provisions

Subpart B [§ 142.10 - § 142.19] - Subpart B—Primary Enforcement Responsibility

Subpart C [§ 142.20 - § 142.24] - Subpart C—Review of State-Issued Variances and Exemptions

Subpart D [§ 142.30 - § 142.34] - Subpart D—Federal Enforcement

Subpart E [§ 142.40 - § 142.46] - Subpart E—Variances Issued by the Administrator Under Section 1415(a) of the Act

Subpart F [§ 142.50 - § 142.57] - Subpart F—Exemptions Issued by the Administrator

Subpart G [§ 142.60 - § 142.65] - Subpart G—Identification of Best Technology, Treatment Techniques or Other Means Generally Available

Subpart H [§ 142.72 - § 142.78] - Subpart H—Indian Tribes

Subpart I [§ 142.80 - § 142.81] - Subpart I—Administrator's Review of State Decisions that Implement Criteria Under Which Filtration Is Required

Subpart J - Subpart J [Reserved]

Subpart K [§ 142.301 - § 142.313] - Subpart K—Variances for Small System

authority: 42 U.S.C. 300f,300g,300g,300g,300g,300g,300g,300j,300j,and

source: 41 FR 2918, Jan. 20, 1976, unless otherwise noted.

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