---
identifier: "/us/cfr/t40/s143.5-143.9"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 143.5-143.9 - §§ 143.5-143.9 [Reserved]"
title_number: 40
title_name: "Protection of Environment"
section_number: "143.5-143.9"
section_name: "§§ 143.5-143.9 [Reserved]"
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "D"
subchapter_name: "WATER PROGRAMS"
part_number: "143"
part_name: "OTHER SAFE DRINKING WATER ACT REGULATIONS"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "42 U.S.C. 300f"
regulatory_source: "44 FR 42198, July 19, 1979, unless otherwise noted."
cfr_part: "143"
---
- Identifier
- /us/cfr/t40/s143.5-143.9
- Currency
- 2026-04-05
- Positive Law
- No
- Updated
- 2026-04-05
- Chapter
- Environmental Protection Agency
- Authority
- 42 U.S.C. 300f