Virginia Law

The words and terms used in this chapter shall have the meanings defined in the Virginia Erosion and Stormwater Management Act (Article 2.3 (§ 62.1-44.15:24 et seq.) of Chapter 3.1 of Title 62.1 of the Code of Virginia) and the Virginia Erosion and Stormwater Management Regulation ( 9VAC25-875) unless the context clearly indicates otherwise, except that for the purposes of this chapter:

"Annual practice" means a nonstructural best management practice such as street or storm drain cleaning that reduces pollution for one compliance year upon implementation.

"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.

"Date brought online" means the date when the permittee determines that a new stormwater management facility is properly functioning.

"Department" or "DEQ" means the Department of Environmental Quality.

"Ecosystem restoration projects" means practices implemented to reestablish and maintain natural systems that prevent, reduce, or remediate pollutant loadings. Examples of ecosystem restoration projects include stream restoration, shoreline restoration, land-use conversion, and reforestation.

"High-priority facilities" means facilities owned or operated by the permittee with drainage to any permitted MS4 that actively engage in one or more of the following activities: (i) composting; (ii) equipment storage, cleaning, and maintenance; (iii) long-term bulk materials storage; (iv) pesticide, herbicide, and fertilizer storage; (v) recycling; (vi) anti-icing and deicing agent storage, handling, and transfer; (vii) solid waste handling and transfer, and (viii) permittee owned or operated vehicle washing, maintenance, and salvage.

"MS4 regulated service area" or "service area" means for Phase II permittees, the drainage area served by the permittee's MS4 that is located within the 2020 census urban areas with a population of at least 50,000 or the 2000 and 2010 decennial censuses urbanized area as determined by the Bureau of the Census. MS4 regulated service area may also be referred to as "served by the MS4" as it pertains to the tables in Part II A of this permit.

"Nontraditional MS4 permittee" or "nontraditional permittee" means a government entity that operates a regulated MS4 that is not under the authority of a county board of supervisors, a city council, or a town council.

"Physically interconnected" means that one MS4 is connected to a second MS4 in such a manner that it allows for direct discharges to the second system.

"Pollutants of concern" or "POC" means pollutants specifically identified in a U.S. Environmental Protection Agency approved total maximum daily load (TMDL) report as causing a water quality impairment.

"Traditional MS4 permittee" or "traditional permittee" means a local government that operates a regulated MS4 under the authority of a county board of supervisors, a city council, or a town council.