Virginia Administrative Code
Title 9 - ENVIRONMENT
Agency 25 - STATE WATER CONTROL BOARD
Chapter 401 - SEWAGE TREATMENT IN THE DULLES AREA WATERSHED
Section 9VAC25-401-10 - Purpose and authority
This chapter is established by the State Water Control Board to regulate the discharge of sewage treatment effluent to surface waters in the Dulles Area Watershed, which is located upstream of several major public water supply intakes serving the Washington, D.C., metropolitan area. The Dulles Area Watershed is composed of the southeastern portion of Loudoun County, the northwestern portion of Fairfax County, and a small northwestern portion of Arlington County. This regulation does not restrict or affect sewage treatment plants within the Dulles Area Watershed that do not discharge to surface waters within the watershed.
This chapter is adopted pursuant to authority vested in the State Water Control Board by §§ 62.1-44.15(3a) and 62.1-44.15(13) of the State Water Control Law.
Statutory Authority
§ 62.1-44.15 of the Code of Virginia.