Federal (United States) · Regulations
Part 141 — NATIONAL PRIMARY DRINKING WATER REGULATIONS
192 sections
23 groups
- Subpart A — General6 sections
- Subpart B — Maximum Contaminant Levels2 sections
- Subpart C — Monitoring and Analytical Requirements10 sections
- Subpart D — Reporting and Recordkeeping3 sections
- Subpart E — Special Regulations, Including Monitoring3 sections
- Subpart F — Maximum Contaminant Level Goals and Maximum Residual Disinfectant Level Goals6 sections
- Subpart G — National Primary Drinking Water Regulations: Maximum Contaminant Levels and Maximum Residual Disinfectant Levels7 sections
- Subpart H — Filtration and Disinfection7 sections
- Subpart I — Control of Lead and Copper6 sections
- Subpart J — Use of Non-Centralized Treatment Devices2 sections
- Subpart K — Treatment Techniques2 sections
- Subpart L — Disinfectant Residuals, Disinfection Byproducts, and Disinfection Byproduct Precursors6 sections
- Subpart O — Consumer Confidence Reports6 sections
- Subpart P — Enhanced Filtration and Disinfection—Systems Serving 10,000 or More People6 sections
- Subpart Q — Public Notification of Drinking Water Violations14 sections
- Subpart S — Ground Water Rule6 sections
- Subpart T — Enhanced Filtration and Disinfection—Systems Serving Fewer Than 10,000 People32 sections
- Subpart U — Initial Distribution System Evaluations6 sections
- Subpart V — Stage 2 Disinfection Byproducts Requirements10 sections
- Subpart W — Enhanced Treatment for Cryptosporidium24 sections
- Subpart X — Aircraft Drinking Water Rule11 sections
- Subpart Y — Revised Total Coliform Rule11 sections
- Subpart Z — Control of Per- and Polyfluoroalkyl Substances (PFAS)6 sections