Water Quality Standards Regulations: Virginia
Presented are water quality standards in effect for Clean Water Act (CWA) purposes for this state.
The EPA is posting these standards as a convenience to users and has made a reasonable effort to assure their accuracy. For each document listed under "State Standards in Effect for CWA Purposes", the EPA has made a reasonable effort to identify parts of the standards that are disapproved or are otherwise not in effect for CWA purposes. Additionally, please note the documents may also contain provisions that the EPA does not have the authority and duty to act on under the Clean Water Act because the provisions are not water quality standards.
On this page:
State Standards in Effect for CWA Purposes
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Water Quality Standards (9 VAC 25-260 et seq.) (pdf)
(Effective June 24, 2024) 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.