Browse Federal regulations

Read the original sections, or search by topic.

40 CFR 142.11 · Initial determination of primary enforcement responsibility.
40 CFR 142.12 · Revision of State programs.
40 CFR 142.13 · Public hearing.
40 CFR 142.14 · Records kept by States.
40 CFR 142.15 · Reports by States.
40 CFR 142.16 · Special primacy requirements.
40 CFR 142.17 · Review of State programs and procedures for withdrawal of approved primacy programs.
40 CFR 142.18 · EPA review of State monitoring determinations.
40 CFR 142.19 · EPA review of State implementation of national primary drinking water regulations for lead and copper.
40 CFR 142.20 · State-issued variances and exemptions under Section 1415(a) and Section 1416 of the Act.
40 CFR 142.21 · State consideration of a variance or exemption request.
40 CFR 142.22 · Review of State variances, exemptions and schedules.
40 CFR 142.23 · Notice to State.
40 CFR 142.24 · Administrator's rescission.
40 CFR 142.30 · Failure by State to assure enforcement.
40 CFR 142.31 · [Reserved]
40 CFR 142.32 · Petition for public hearing.
40 CFR 142.33 · Public hearing.
40 CFR 142.34 · Entry and inspection of public water systems.
40 CFR 142.40 · Requirements for a variance.
40 CFR 142.41 · Variance request.
40 CFR 142.42 · Consideration of a variance request.
40 CFR 142.43 · Disposition of a variance request.
40 CFR 142.44 · Public hearings on variances and schedules.
40 CFR 142.45 · Action after hearing.
40 CFR 142.46 · Alternative treatment techniques.
40 CFR 142.50 · Requirements for an exemption.
40 CFR 142.51 · Exemption request.
40 CFR 142.52 · Consideration of an exemption request.
40 CFR 142.53 · Disposition of an exemption request.
40 CFR 142.54 · Public hearings on exemption schedules.
40 CFR 142.55 · Final schedule.
40 CFR 142.56 · Extension of date for compliance.
40 CFR 142.57 · Bottled water, point-of-use, and point-of-entry devices.
40 CFR 142.60 · Variances from the maximum contaminant level for total trihalomethanes.
40 CFR 142.61 · Variances from the maximum contaminant level for fluoride.
40 CFR 142.62 · Variances and exemptions from the maximum contaminant levels for organic and inorganic chemicals.
40 CFR 142.63 · Variances and exemptions from the maximum contaminant level for total coliforms.
40 CFR 142.64 · Variances and exemptions from the requirements of part 141, subpart H—Filtration and Disinfection.
40 CFR 142.65 · Variances and exemptions from the maximum contaminant levels for radionuclides.
40 CFR 142.72 · Requirements for Tribal eligibility.
40 CFR 142.76 · Request by an Indian Tribe for a determination of eligibility.
40 CFR 142.78 · Procedure for processing an Indian Tribe's application.
40 CFR 142.80 · Review procedures.
40 CFR 142.81 · Notice to the State.
40 CFR 142.301 · What is a small system variance?
40 CFR 142.302 · Who can issue a small system variance?
40 CFR 142.303 · Which size public water systems can receive a small system variance?
40 CFR 142.304 · For which of the regulatory requirements is a small system variance available?
40 CFR 142.305 · When can a small system variance be granted by a State?
40 CFR 142.306 · What are the responsibilities of the public water system, State and the Administrator in ensuring that sufficient information is available and for evaluation of a small system variance application?
40 CFR 142.307 · What terms and conditions must be included in a small system variance?
40 CFR 142.308 · What public notice is required before a State or the Administrator proposes to issue a small system variance?
40 CFR 142.309 · What are the public meeting requirements associated with the proposal of a small system variance?
40 CFR 142.310 · How can a person served by the public water system obtain EPA review of a State proposed small system variance?
40 CFR 142.311 · What procedures allow the Administrator to object to a proposed small system variance or overturn a granted small system variance for a public water system serving 3,300 or fewer persons?
40 CFR 142.312 · What EPA action is necessary when a State proposes to grant a small system variance to a public water system serving a population of more than 3,300 and fewer than 10,000 persons?
40 CFR 142.313 · How will the Administrator review a State's program under this subpart?
40 CFR 143.1 · Purpose.
40 CFR 143.2 · Definitions.
40 CFR 143.3 · Secondary maximum contaminant levels.
40 CFR 143.4 · Monitoring.
40 CFR 143.5-143.9 · §§ 143.5-143.9 [Reserved]
40 CFR 143.10 · Applicability and scope.
40 CFR 143.11 · Definitions.
40 CFR 143.12 · Definition of lead free and calculation methodology.
40 CFR 143.13 · Use prohibitions.
40 CFR 143.14 · State enforcement of use prohibitions.
40 CFR 143.15 · Introduction into commerce prohibitions.
40 CFR 143.16 · Exemptions.
40 CFR 143.17 · [Reserved]
40 CFR 143.18 · Required labeling of solder and flux that is not lead free.
40 CFR 143.19 · Required certification of products.
40 CFR 143.20 · Compliance provisions.
40 CFR 144.1 · Purpose and scope of part 144.
40 CFR 144.2 · Promulgation of Class II programs for Indian lands.
40 CFR 144.3 · Definitions.
40 CFR 144.4 · Considerations under Federal law.
40 CFR 144.5 · Confidentiality of information.
40 CFR 144.6 · Classification of wells.
40 CFR 144.7 · Identification of underground sources of drinking water and exempted aquifers.
40 CFR 144.8 · Noncompliance and program reporting by the Director.
40 CFR 144.11 · Prohibition of unauthorized injection.
40 CFR 144.12 · Prohibition of movement of fluid into underground sources of drinking water.
40 CFR 144.13 · Prohibition of Class IV wells.
40 CFR 144.14 · Requirements for wells injecting hazardous waste.
40 CFR 144.15 · Prohibition of non-experimental Class V wells for geologic sequestration.
40 CFR 144.16 · Waiver of requirement by Director.
40 CFR 144.17 · Records.
40 CFR 144.18 · Requirements for Class VI wells.
40 CFR 144.19 · Transitioning from Class II to Class VI.
40 CFR 144.21 · Existing Class I, II (except enhanced recovery and hydrocarbon storage) and III wells.
40 CFR 144.22 · Existing Class II enhanced recovery and hydrocarbon storage wells.
40 CFR 144.23 · Class IV wells.
40 CFR 144.24 · Class V wells.
40 CFR 144.25 · Requiring a permit.
40 CFR 144.26 · Inventory requirements.
40 CFR 144.27 · Requiring other information.
40 CFR 144.28 · Requirements for Class I, II, and III wells authorized by rule.
40 CFR 144.31 · Application for a permit; authorization by permit.