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Regulations last checked for updates: Jan 18, 2025
Title 40 - Protection of Environment last revised: Dec 30, 2025
All Titles
Title 40
Chapter I
Part 144
Subpart A - Subpart A—General Provisions
§ 144.1 - Purpose and scope of part 144.
§ 144.2 - Promulgation of Class II programs for Indian lands.
§ 144.3 - Definitions.
§ 144.4 - Considerations under Federal law.
§ 144.5 - Confidentiality of information.
§ 144.6 - Classification of wells.
§ 144.7 - Identification of underground sources of drinking water and exempted aquifers.
§ 144.8 - Noncompliance and program reporting by the Director.
authority:
Safe Drinking Water Act,
42 U.S.C. 300f
source:
48 FR 14189, Apr. 1, 1983, unless otherwise noted.
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