Part 611 - PRIMARY DRINKING WATER STANDARDS
- Subpart A - GENERAL (§§ 611.100 — 611.161)
- Subpart B - FILTRATION AND DISINFECTION (§§ 611.201 — 611.276)
- Subpart C - USE OF NON-CENTRALIZED TREATMENT DEVICES (§§ 611.280 — 611.290)
- Subpart D - TREATMENT TECHNIQUES (§§ 611.295 — 611.297)
- Subpart F - MAXIMUM CONTAMINANT LEVELS (MCLs) AND MAXIMUM RESIDUAL DISINFECTANT LEVELS (MRDLs) (§§ 611.300 — 611.331)
- Subpart G - LEAD AND COPPER (§§ 611.350 — 611.363)
- Subpart I - DISINFECTANT RESIDUALS, DISINFECTION BYPRODUCTS, AND DISINFECTION BYPRODUCT PRECURSORS (§§ 611.380 — 611.385)
- Subpart K - GENERAL MONITORING AND ANALYTICAL REQUIREMENTS (§§ 611.480 — 611.510)
- Subpart L - MICROBIOLOGICAL MONITORING AND ANALYTICAL REQUIREMENTS (§§ 611.521 — 611.533)
- Subpart M - TURBIDITY MONITORING AND ANALYTICAL REQUIREMENTS (§ 611.560)
- Subpart N - INORGANIC MONITORING AND ANALYTICAL REQUIREMENTS (§§ 611.591 — 611.631)
- Subpart O - ORGANIC MONITORING AND ANALYTICAL REQUIREMENTS (§§ 611.640 — 611.658)
- Subpart P - THM MONITORING AND ANALYTICAL REQUIREMENTS (§§ 611.680 — 611.688)
- Subpart Q - RADIOLOGICAL MONITORING AND ANALYTICAL REQUIREMENTS (§§ 611.720 — 611.733)
- Subpart R - ENHANCED FILTRATION AND DISINFECTION: SYSTEMS THAT SERVE 10,000 OR MORE PEOPLE (§§ 611.740 — 611.745)
- Subpart S - GROUNDWATER RULE (§§ 611.800 — 611.805)
- Subpart T - REPORTING AND RECORDKEEPING (§§ 611.830 — 611.870)
- Subpart U - CONSUMER CONFIDENCE REPORTS (§§ 611.881 — 611.885)
- Subpart V - PUBLIC NOTIFICATION OF DRINKING WATER VIOLATIONS (§§ 611.901 — 611.911)
- Subpart W - INITIAL DISTRIBUTION SYSTEM EVALUATIONS (§§ 611.920 — 611.925)
- Subpart X - ENHANCED FILTRATION AND DISINFECTION - SYSTEMS SERVING FEWER THAN 10,000 PEOPLE (§§ 611.950 — 611.957)
- Subpart Y - STAGE 2 DISINFECTION BYPRODUCTS REQUIREMENTS (§§ 611.970 — 611.979)
- Subpart Z - ENHANCED TREATMENT FOR CRYPTOSPORIDIUM (§§ 611.1000 — 611.1023)
- Subpart AA - REVISED TOTAL COLIFORM RULE (§§ 611.1051 — 611.1061)
- Subpart AG - INTERIM LEAD AND COPPER RULES (§§ 611.1350 — 611)