PART 142—NATIONAL PRIMARY DRINKING WATER REGULATIONS IMPLEMENTATION
- SUBPART A—General Provisions (§142.1 to §142.4)
- SUBPART B—Primary Enforcement Responsibility (§142.10 to §142.19)
- SUBPART C—Review of State-Issued Variances and Exemptions (§142.20 to §142.24)
- SUBPART D—Federal Enforcement (§142.30 to §142.34)
- SUBPART E—Variances Issued by the Administrator Under Section 1415(a) of the Act (§142.40 to §142.46)
- SUBPART F—Exemptions Issued by the Administrator (§142.50 to §142.57)
- SUBPART G—Identification of Best Technology, Treatment Techniques or Other Means Generally Available (§142.60 to §142.65)
- SUBPART H—Indian Tribes (§142.72 to §142.78)
- SUBPART I—Administrator's Review of State Decisions that Implement Criteria Under Which Filtration Is Required (§142.80 to §142.81)
- SUBPART K—Variances for Small System (§142.301 to §142.313)