Water Quality Standards Regulations: West 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.

• What is a New or Revised Water Quality Standard Under CWA 303(c)(3)? - Frequently Asked Questions (pdf) (108.04 KB)

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

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State Standards in Effect for CWA Purposes

• Requirements Governing Water Quality Standards (Title 47 Legislative Rule, Series 2) (pdf) (12.99 MB)
  (Effective May 23, 2022) Requirements governing water quality standards for the state of West Virginia. Please note that some provisions in this document have not been approved by the EPA and are therefore not in effect for CWA purposes.  Refer to the cover page for more information. 
• Procedural Rules Governing Site-Specific Revisions to Water Quality Standards (Title 46 Procedural Rules Environmental Quality Board, Series 6) (pdf) (713 KB)
  This series establishes procedures which govern the promulgation of legislative rules by the Environmental Quality Board and establishes procedures to be followed by the Board in removing designated uses, granting variances from water quality standards, granting variances for remaining activities, and establishing site-specific numeric criteria.
• Designation of Tier 3 Waters (Title 47 Interpretive Rule, Series 2A) (pdf) (200.88 KB)
• Antidegradation Implementation Procedures (Title 60 Legislative Rule, Series 5) (pdf) (661.22 KB)
• Water Quality Standards/Mixing Zones Implementation Guidance (pdf) (1.59 MB)
  This document contains guidance for West Virginia National Pollutant Discharge Elimination System Permit writers to use in the development of water quality-based effluent limitations for toxic pollutants.

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Federally Proposed or Promulgated Standards

• None at this time.