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Virginia Administrative Code
Title 9. Environment
Agency 25. State Water Control Board
Chapter 40. Regulation for Nutrient Enriched Waters and Dischargers within the Chesapeake Bay Watershed
12/26/2024

9VAC25-40-25. Definitions.

The following words and terms when used in this chapter shall have the following meanings unless the context clearly indicates otherwise:

"Board" means the State Water Control Board. When used outside the context of the promulgation of regulations, including regulations to establish general permits, "board" means the Department of Environmental Quality.

"Department" means the Department of Environmental Quality.

"Equivalent load" means 2,300 pounds per year of total nitrogen and 300 pounds per year of total phosphorus at a flow volume of 40,000 gallons per day; 5,700 pounds per year of total nitrogen and 760 pounds per year of total phosphorus at a flow volume of 100,000 gallons per day; and 28,500 pounds per year of total nitrogen and 3,800 pounds per year of total phosphorus at a flow volume of 500,000 gallons per day.

"Expansion" or "expands" means initiating construction at an existing facility after July 1, 2005, to increase treatment capacity, except that the term does not apply in those cases where a Certificate to Construct was issued on or before July 1, 2005.

"Point source dischargers" or "dischargers" do not include permitted discharges of noncontact cooling water or storm water.

Statutory Authority

§ 62.1-44.15 of the Code of Virginia; § 303 of the federal Clean Water Act.

Historical Notes

Derived from Virginia Register Volume 22, Issue 3, eff. November 16, 2005; amended, Virginia Register Volume 39, Issue 5, eff. November 23, 2022.

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