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Water Quality Standards Regulations: Virginia

Presented below are water quality standards in effect for Clean Water Act (CWA) purposes for this state.

EPA is posting these standards as a convenience to users and has made a reasonable effort to assure their accuracy. Also, for each document listed under "State Standards in Effect for CWA Purposes", EPA has made a reasonable effort to identify parts of the standards that are disapproved or are otherwise not in effect for CWA purposes.

On this page:

State Standards in Effect for CWA Purposes
Federally Proposed or Promulgated Standards

State Standards in Effect for CWA Purposes

[See Water Quality Standards (9 VAC 25-260 et seq.) ]
(Effective October 6, 2020) State regulation establishing water quality standards for surface and ground waters of the state.

Note: These regulations contain additional provisions related to groundwater that are outside the scope of the Clean Water Act and the implementing federal regulations, but are included here as supplementary information.

Federally Proposed or Promulgated Standards

None at this time.

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Water Quality Standards (9 VAC 25-260 et seq.) (PDF)(82 pp, 785 K)