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United States Environmental Protection Agency
Water Quality Standards
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Where You Live
Regional and State specific information.

State, Tribal & Territorial Standards
Detailed information on the current standards for all waters of the U.S.

Policy & Guidance
Library of documents, notices, and memoranda designed to help states, tribes, & territories comply with federal regulations addressing water quality standards.

Laws/Regulations
Collection of legislative and federal requirements.

Partnership with Tribes
See how to establish standards for federally recognized tribes.

Basic Information
The importance of Water Quality Standards and how they fit into overall water quality protection.

Recent Actions
Learn about current events, public meetings, documents, and actions.

Open for Comment
Listing of and links to draft guidance documents and proposed regulations to review and comment.

Training, Meetings, and Educational Materials
We offer courses, conduct public meetings, and provide resources to help you understand basics and new developments.

Regional Coordinators
Points of contact for specific States and regions.

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Features


Water Quality Criteria

 

Models | TMDLs | Permits | Water Quality Criteria | Monitoring

 
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