Laws & Regulations

Notification: Engagement Letter for the FY 2026 U.S. Chemical Safety and Hazard Investigation Board Financial Statement Audit

NPDES Permit for Sunlight Ranch Company, Little Horn Unit in Montana

Draft permit and statement of basis MT0029424 for a beef cattle feedlot located on the Crow Reservation at the SW ¼ of Section 3, NW 1/4 of Section 10, Township 9 South Range 34 East, Montana Principal Meridian.

WIIN Grant: Reducing Lead in Drinking Water

A website to outline the new WIIN Act grant programs.

Superfund Five-Year Review Annual Report to Congress

EPA is responsible for reviewing Superfund remedial actions at least every 5 years where hazardous substances will remain on site above levels that allow for unlimited use and unrestricted exposure. Access the annual reports presented to Congress.

Interim Enhanced Surface Water Treatment Rule Documents

The IESWTR balances the need for treatment with potential increases in disinfection by -products. The materials found on this page are intended to assist public water systems and state in the implementation of the IESWTR.

Surface Water Treatment Rules

A page for Surface Water Treatment Rules that provides a summary, history, and compliance information.

State Program Approval Policy and Guidance

Find EPA policies and guidance on approval of state underground storage tank programs.

Superfund Program Implementation Manual

Read the Superfund Program Implementation Manual (SPIM), which provides guidance to the Office of Superfund and Emergency Management, the Office of Site Remediation Enforcement, and several other offices.

Sanitary Survey Guidance Manuals

This page contains guidance manuals for primacy agencies conducting sanitary surveys at drinking water systems.

Ground Water Rule Compliance Help for Water System Owners and Operators

EPA has developed materials for drinking water system owners and operators. The materials on this page can assist in complying with requirements of the Ground Water Rule (GWR).

Federal Requirements for Class V Wells

This page has information on the basic (minimum) requirements for owners or operators of Class V wells.

Large-Capacity Cesspools

This page will help you provides general information about large-capacity cesspools, why large-capacity cesspools are banned, how to properly close them when no longer in use.

Protecting Underground Sources of Drinking Water from Underground Injection (UIC)

Provide information on: individual injection well classes; regulations specific to each well class; technical guidance; compliance assistance; federal, state, and tribal/territory roles and responsibilities.

Draft Class VI Guidance Documents Open for Public Comment

This page provides links to draft Class VI guidance documents open for public comment.

Public Notification Rule

The Public Notice rule is part of the Safe Drinking Water Act (SDWA). The rule ensures that consumers will know if their drinking water does not meet standards; or if the water system fails to test its water or has been granted a variance or an exemption.