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Regulations last checked for updates: Apr 30, 2025
Title 40 - Protection of Environment last revised: Nov 30, 2025
All Titles
Title 40
Chapter I
Part 141
Subpart S - Subpart S—Ground Water Rule
§ 141.400 - General requirements and applicability.
§ 141.401 - Sanitary surveys for ground water systems.
§ 141.402 - Ground water source microbial monitoring and analytical methods.
§ 141.403 - Treatment technique requirements for ground water systems.
§ 141.404 - Treatment technique violations for ground water systems.
§ 141.405 - Reporting and recordkeeping for ground water systems.
authority:
42 U.S.C. 300f
,
300g
,
300g
,
300g
,
300g
,
300g
,
300g
,
300j
,
300j
,
and
source:
40 FR 59570, Dec. 24, 1975, unless otherwise noted.
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