Daily eCFR

Subpart T—Enhanced Filtration and Disinfection—Systems Serving Fewer Than 10,000 People

40 CFR Part 141 Subpart T

Citation40 CFR Part 141 Subpart T

ContainsSubject groups Additional Watershed Control Requirements for Unfiltered Systems–Reporting and Recordkeeping Requirements

CorpusDaily eCFR

Displayed edition2026-09-23

Last updated2026-09-23

Subject Groups

Additional Watershed Control Requirements for Unfiltered Systems
Additional Watershed Control Requirements for Unfiltered Systems
Combined Filter Effluent Requirements
Combined Filter Effluent Requirements
Disinfection Benchmark
Disinfection Benchmark
Disinfection Profile
Disinfection Profile
Finished Water Reservoirs
Finished Water Reservoirs
General Requirements
General Requirements
Individual Filter Turbidity Requirements
Individual Filter Turbidity Requirements
Reporting and Recordkeeping Requirements
Reporting and Recordkeeping Requirements

Authority42 U.S.C. 300f, 300g-1, 300g-2, 300g-3, 300g-4, 300g-5, 300g-6, 300j-4, 300j-9, and 300j-11.

Source67 FR 1839, Jan. 14, 2002, unless otherwise noted.