TITLE 9. ENVIRONMENT

STATE WATER CONTROL BOARD

Notice of Effective Date

Title of Regulation: 9VAC25-260. Water Quality Standards (amending 9VAC25-260-310, 9VAC25-260-490).

Statutory Authority: § 62.1-44.15 of the Code of Virginia; Clean Water Act (33 USC § 1251 et seq.); 40 CFR Part 131.

On March 27, 2025, the State Water Control Board adopted revisions to the Water Quality Standards in 9VAC25-260-310 and 9VAC25-260-490. These revisions add site-specific freshwater selenium criteria for the protection of aquatic life to the Water Quality Standards for Virginia. The amendments were published in final form in 41:23 VA.R. 2515-2517 June 30, 2025, to be effective upon filing notice of U.S. Environmental Protection Agency (EPA) approval with the Registrar of Regulations. The State Water Control Board has received a letter from Michelle Price-Fay, EPA Region III Water Division Director, dated September 23, 2025, approving all the amendments.

The effective date of the approved amendments is September 25, 2025. Copies are available online at https://townhall.virginia.gov/L/viewstage.cfm?stageid=10729 or from the agency contact listed.

Effective Date: September 25, 2025.

Agency Contact: David Whitehurst, Water Quality Standards Coordinator, Department of Environmental Quality, P.O. Box 1105, Richmond, VA 23218, telephone (804) 774-9180, or email david.whitehurst@deq.virginia.gov.