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 120 - Definition of Waters of the United States

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 127 - NPDES Electronic Reporting

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 - Other Safe Drinking Water Act 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

Part 118 - Clean Water Act Hazardous Substances Facility Response Plans

Part 139 - Discharges Incidental to the Normal Operation of Vessels

Parts 100--103 - [Reserved]