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premises or lesser estate therein, mortgagee or vendee in possession, assignee of rents, receiver, executor,
<br />trustee, lessee, or other person, firm, or corporation in control of a property.
<br />Peak flow rate means the maximum instantaneous flow from a prescribed design storm at a particular
<br />location.
<br />Percent impervious means the impervious area within the site divided by the area of the site multiplied by
<br />100.
<br />Permit means a VPDES permit issued by the Department pursuant to Code of Virginia, § 62.1-44.15 for
<br />stormwater discharges from a land -disturbing activity.
<br />Permittee means the person to whom a permit is issued.
<br />Person means any individual, partnership, firm, association, joint venture, public or private corporation,
<br />trust, estate, commission, board, public or private institution, utility, cooperative, county, city, town, or other
<br />political subdivision of the Commonwealth, governmental body, including a federal or state entity, as applicable,
<br />any interstate body, or any other legal entity.
<br />Point of discharge means a location at which concentrated stormwater runoff is released.
<br />Point source means any discernable, confined, and discrete conveyance including any pipe, ditch, channel,
<br />tunnel, conduit, well, discrete fissure, container, rolling stock, concentrated animal feeding operation, landfill
<br />leachate collection system, vessel, or other floating craft from which pollutants are or may be discharged. This
<br />term does not include return flows from irrigated agriculture or agricultural stormwater runoff.
<br />Pollutant discharge means the average amount of a particular pollutant measured in pounds per year or
<br />other standard reportable unit as appropriate, delivered by stormwater runoff.
<br />Pollution means such alteration of the physical, chemical, or biological properties of any state waters as will
<br />or is likely to create a nuisance or render such waters (a) harmful or detrimental or injurious to the public health,
<br />safety, or welfare, or to the health of animals, fish or aquatic life; (b) unsuitable with reasonable treatment for use
<br />as present or possible future sources of public water supply; or (c) unsuitable for recreational, commercial,
<br />industrial, agricultural, or other reasonable uses, provided that (i) an alteration of the physical, chemical, or
<br />biological property of state waters, or a discharge or deposit of sewage, industrial wastes or other wastes to state
<br />waters by any owner which by itself is not sufficient to cause pollution, but which, in combination with such
<br />alteration of or discharge or deposit to state waters by other owners, is sufficient to cause pollution; (ii) the
<br />discharge of untreated sewage by any owner into state waters; and (iii) contributing to the contravention of
<br />standards of water quality duly established by the State Water Control Board, are "pollution" for the terms and
<br />purposes of this chapter.
<br />Post -development refers to conditions that reasonably may be expected or anticipated to exist after
<br />completion of the land development activity on a specific site or tract of land.
<br />Predevelopment refers to the conditions that exist at the time that plans for land -disturbing activity are
<br />submitted to the VESMP authority. Where phased development or plan approval occurs (preliminary grading,
<br />demolition of existing structures, roads and utilities, etc.), the existing conditions at the time prior to the
<br />commencement of land -disturbing activity shall establish predevelopment conditions.
<br />Prior developed lands means land that has been previously utilized for residential, commercial, industrial,
<br />institutional, recreation, transportation, or utility facilities or structures, and that will have the impervious areas
<br />associated with those uses altered during a land -disturbing activity.
<br />Proprietary best management practice has the meaning provided in the definition of best management
<br />practice.
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