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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
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Title 40
Chapter I
Part 142
Subpart B - Subpart B—Primary Enforcement Responsibility
§ 142.10 - Requirements for a determination of primary enforcement responsibility.
§ 142.11 - Initial determination of primary enforcement responsibility.
§ 142.12 - Revision of State programs.
§ 142.13 - Public hearing.
§ 142.14 - Records kept by States.
§ 142.15 - Reports by States.
§ 142.16 - Special primacy requirements.
§ 142.17 - Review of State programs and procedures for withdrawal of approved primacy programs.
§ 142.18 - EPA review of State monitoring determinations.
§ 142.19 - EPA review of State implementation of national primary drinking water regulations for lead and copper.
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