Laws & Regulations

Drinking Water Watch in EPA Region 8

Drinking Water Watch is a tool that lets you view data we maintain about your water system(s). The information includes size and type of population served, water system facilities

Oil and Gas Sector Information

Learn about environmental resources for the oil and gas sector.

List of Frequent Questions about Implementing the Final Rule Regulating the Disposal of Coal Combustion Residuals (CCR)

List of questions received on implementing the final rule regulating the disposal of coal combustion residuals from electric utilities

Questions and Answers on the Tribal Enforcement Process, August 26, 2025

Provides assistance in implementing the "EPA Policy for the Administration of Environmental Programs on Indian Reservations

NPDES Permit for Riverview Estates Wastewater Treatment Facility in North Dakota

Under National Pollutant Discharge Elimination System permit number ND-0031143, the Riverview Estates Wastewater Treatment Facility is authorized to discharge from its wastewater treatment facility in designated locations as described in the permit.

Statistics for the TSCA CBI Review Program

Coordinating with Electric Utilities

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Subpart X Hazardous Waste Permits for Treatment of Explosive Wastes

EPA compiled a list of examples of hazardous waste permits for open burning and open detonation (OB/OD) regulated under title 40 of the Code of Federal Regulations part 264, subpart X.

General Procedures to Opt Out of the RFG Requirements.

EPA is issuing a final rule to provide criteria and procedures for states withvoluntary reformulated gasoline (RFG) programs to withdraw or opt-out areas from the federal RFG program.

NPDES Permit for Fort Carson Wastewater Treatment Facility in Colorado

Under NPDES permit no. CO-0021181 the United States Department of the Army, Fort Carson, in authorized to discharge from its sanitary wastewater treatment facility in El Paso County, Colorado, to Clover Ditch, a tributary of Fountain Creek.

How Citizens can Comment and Participate in the National Environmental Policy Act Process

Describes how and when the public can participate in the NEPA process by commenting on an environmental impact statement (EIS)

Federal Gasoline Regulations

The Clean Air Act requires EPA to regulate fuels and fuel additives for use in mobile sources if such fuel, fuel additive or any emission products causes or contributes to air or water pollution that may endanger the public health or welfare.

Extension of the Reformulated Gasoline Program to the Phoenix, Arizona Moderate Ozone Non-attainment Area

EPA is issuing a final rule today to revise the reformulated gasoline (RFG) regulations to include the Phoenix, Arizona moderate ozone nonattainment area in the federal RFG Program.

Use of Corporate Auditing Agreements for Audit Policy Disclosures - Correction

Federal Insecticide, Fungicide and Rodenticide Act Compliance Monitoring

Overview of compliance monitoring under the Federal Insecticide, Fungicide, and Rodenticide Act.

Guidance: Protocol for Conducting Environmental Compliance, Audits of Hazardous Waste Generators under the Resource Conservation and Recovery Act (RCRA)

Protocol for Conducting Environmental Compliance, Audits of Hazardous Waste Generators under the Resource Conservation and Recovery Act