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

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

Effective Date: January 9, 2020

On June 27, 2019, the State Water Control Board adopted revisions to the Water Quality Standards in 9VAC25-260-310. These revisions relate to numeric chlorophyll criteria for the tidal James River. The amendments were published in final form on September 16, 2019, Volume 36, Issue 2 of the Virginia Register to be effective upon filing notice of U.S. EPA approval with the Registrar of Regulations. The State Water Control Board has received a letter from Catherine Libertz, EPA Region III Regional Acting Director, Water Protection Division, dated January 6, 2020, approving all of the amendments to the water quality standards provisions. A notice of effective date has been filed with the Virginia Register of Regulations. The amendments to 9VAC25-260-310 are effective as of January 9, 2020. Copies are available online at https://www.deq.virginia.gov/Programs/Water/WaterQualityInformationTMDLs/WaterQualityStandards.aspx by calling toll free at 1-800-592-5482 ext. 4309 or local at 804-698-4309; or by request to the contact person below.