Regulations last checked for updates: Apr 18, 2026

Title 40 - Protection of Environment last revised: Aug 18, 2026

GENERAL REQUIREMENTS
SOURCE WATER MONITORING REQUIREMENTS
DISINFECTION PROFILING AND BENCHMARKING REQUIREMENTS
TREATMENT TECHNIQUE REQUIREMENTS
REQUIREMENTS FOR MICROBIAL TOOLBOX COMPONENTS
REPORTING AND RECORDKEEPING REQUIREMENTS
REQUIREMENTS FOR SANITARY SURVEYS PERFORMED BY EPA
source: 40 FR 59570, Dec. 24, 1975, unless otherwise noted.