SUBCHAPTER D—WATER PROGRAMS (Parts 100–149)
- PART 104—PUBLIC HEARINGS ON EFFLUENT STANDARDS FOR TOXIC POLLUTANTS
- PART 105—RECOGNITION AWARDS UNDER THE CLEAN WATER ACT
- PART 108—EMPLOYEE PROTECTION HEARINGS
- PART 109—CRITERIA FOR STATE, LOCAL AND REGIONAL OIL REMOVAL CONTINGENCY PLANS
- PART 110—DISCHARGE OF OIL
- PART 112—OIL POLLUTION PREVENTION
- PART 113—LIABILITY LIMITS FOR SMALL ONSHORE STORAGE FACILITIES
- PART 116—DESIGNATION OF HAZARDOUS SUBSTANCES
- PART 117—DETERMINATION OF REPORTABLE QUANTITIES FOR HAZARDOUS SUBSTANCES
- PART 121—STATE CERTIFICATION OF ACTIVITIES REQUIRING A FEDERAL LICENSE OR PERMIT
- PART 122—EPA ADMINISTERED PERMIT PROGRAMS: THE NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM
- PART 123—STATE PROGRAM REQUIREMENTS
- PART 124—PROCEDURES FOR DECISIONMAKING
- PART 125—CRITERIA AND STANDARDS FOR THE NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM
- PART 129—TOXIC POLLUTANT EFFLUENT STANDARDS
- PART 130—WATER QUALITY PLANNING AND MANAGEMENT
- PART 131—WATER QUALITY STANDARDS
- PART 132—WATER QUALITY GUIDANCE FOR THE GREAT LAKES SYSTEM
- PART 133—SECONDARY TREATMENT REGULATION
- PART 135—PRIOR NOTICE OF CITIZEN SUITS
- PART 136—GUIDELINES ESTABLISHING TEST PROCEDURES FOR THE ANALYSIS OF POLLUTANTS
- PART 140—MARINE SANITATION DEVICE STANDARD
- PART 141—NATIONAL PRIMARY DRINKING WATER REGULATIONS
- PART 142—NATIONAL PRIMARY DRINKING WATER REGULATIONS IMPLEMENTATION
- PART 143—NATIONAL SECONDARY DRINKING WATER REGULATIONS
- PART 144—UNDERGROUND INJECTION CONTROL PROGRAM
- PART 145—STATE UIC PROGRAM REQUIREMENTS
- PART 146—UNDERGROUND INJECTION CONTROL PROGRAM: CRITERIA AND STANDARDS
- PART 147—STATE, TRIBAL, AND EPA-ADMINISTERED UNDERGROUND INJECTION CONTROL PROGRAMS
- PART 148—HAZARDOUS WASTE INJECTION RESTRICTIONS
- PART 149—SOLE SOURCE AQUIFERS