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Regulations last checked for updates: May 23, 2025

Title 40 - Protection of Environment last revised: Apr 23, 2028
All TitlesTitle 40Chapter IPart 141Subpart 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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