Unless the context of usage indicates otherwise, the
meaning of specific terms in this chapter shall be as follows:
ACT
The Federal Clean Water Act, 33 U.S.C. § 1251 et
seq.
ASTM
The American Society for Testing and Materials.
AUTHORIZED REPRESENTATIVE OF INDUSTRIAL USER
(1)
A principal executive officer of at least the
level of vice president, if the industrial user is a corporation;
or
(2)
A general partner or proprietor if the industrial
user is a partnership or sole proprietorship, respectively; or
(3)
A duly authorized representative of the individual designated in Subsection
(1) or
(2) above if such representative is responsible for the overall operation of the facility from which the discharge to the POTW originates. The authorization must be submitted to the Manager prior to or together with any reports to be signed by the authorized representative.
BOD (denoting “biochemical oxygen demand”)
The quantity of oxygen used in the biochemical oxidation
of organic matter under standard laboratory procedure in five days
at 20º C., expressed in milligrams per liter.
BUILDING SEWER
The extension from a building wastewater plumbing facility
to the treatment works.
CATEGORICAL PRETREATMENT STANDARD or CATEGORICAL STANDARD
Any regulation containing pollutant discharge limits promulgated
by the EPA in accordance with Sections 307(a) and 307(c) of the Act,
which apply to a specific category of industrial users which appear
in 40 CFR Chapter I, Subchapter N, Parts 405 through 471.
COMBINED SEWER
A sewer intended to receive both wastewater and stormwater
or surface water.
DAY
The twenty-four-hour period beginning at 12:01 a.m.
DISCHARGER
Person or persons, firm, company, industry, or other similar
sources of wastewater who introduce such into the POTW.
EASEMENT
An acquired legal right for the specific use of land owned
by others.
EPA
The United States Environmental Protection Agency.
ESTABLISHMENT
Any industrial establishment, mill, factory, tannery, paper
or pulp mill, mine, coal mine, colliery, breaker or coal processing
operations, quarry, oil refinery, boat, vessel, and each and every
other industry or plant or works the operation of which produces industrial
wastes or other wastes or which may otherwise alter the physical,
chemical, or biological properties of any state waters.
EXISTING SOURCE
Any source of discharge, the construction or operation of
which commenced prior to the publication of proposed categorical pretreatment
standards which will be applicable to such source if the standard
is thereafter promulgated in accordance with Section 307 of the Act.
GARBAGE
The solid animal and vegetable wastes resulting from the
domestic or commercial handling, storage, dispensing, preparation,
cooking, and serving of foods.
GROUNDWATER
Any water beneath the land surface in the zone of saturation.
INDIRECT DISCHARGE
The introduction of (nondomestic) pollutants into the POTW
from any nondomestic source regulated under Section 307(b), (c) or
(d) of the Act.
INDUSTRIAL WASTES
Liquid or other waste resulting from any process of industry,
manufacture, trade or business, or from the development of any natural
resources.
INTERFERENCE
An inhibition or disruption of the POTW, its treatment processes
or operations, or its sludge processes, which clearly causes, in whole
or in part, a violation of any requirement of the POTW's VPDES permit,
including those discharges that prevent the use or disposal of sludge
by the POTW in accordance with any federal or state laws, regulations,
permits, or sludge management plans.
MANAGER
The Town Manager of the Town of Louisa or an authorized designee.
MUNICIPALITY
A city, county, town, district association, authority or
other public body created under the law and having jurisdiction over
disposal of sewage, industrial, or other wastes.
NATURAL OUTLET
Any outlet into a watercourse, pond, ditch, lake, or any
other body of surface water or groundwater.
NEW SOURCE
Shall have the same meaning as provided in 40 CFR 403.3(m).
[Amended at time of adoption of Code (see Ch. 1, General
Provisions, Art. II)]
OWNER
The commonwealth or any of its political subdivisions, including,
but not limited to, sanitation district commissions and authorities,
any public or private institution, corporation, association, firm
or company organized or existing under the laws of this or any other
state or country, or any person or group of persons acting individually
or as a group.
PASS-THROUGH
The discharge of pollutants through a POTW into state waters
in quantities or concentrations which are a cause in whole or in part
of a violation of any requirement of the POTW's VPDES permit, including
an increase in the magnitude or duration of a violation.
PERSON
Any individual, firm, company, association, society, partnership,
corporation, governmental entity, or other similar organization, agency,
or group.
pH
The logarithm of the reciprocal of the hydrogen ion concentration
expressed in grams per liter of solution as determined by standard
methods.
POLLUTANT
Any dredged spoil, solid waste, incinerator residue, sewage,
garbage, sewage sludge, munitions, medical waste, chemical waste,
industrial waste, biological materials, radioactive material, heat,
wrecked or discarded equipment, rock, sand, cellar dirt, agricultural
and industrial waste, and the characteristics of the wastewater (i.e.,
pH, temperature, TSS, turbidity, color, BOD, COD, toxicity, and odor).
POTW; PUBLICLY OWNED TREATMENT WORKS
Any sewage treatment works that is owned by a state or municipality.
Sewers, pipes, or other conveyances are included in this definition
only if they convey wastewater to a POTW providing treatment.
PRETREATMENT
The reduction of the amount of pollutants, the elimination
of pollutants, or the alteration of the nature of pollutant properties
in wastewater prior to discharge to the Town of Louisa treatment works.
PRETREATMENT REQUIREMENT
Any substantive or procedural requirement related to pretreatment
imposed on an industrial user, other than a pretreatment standard.
PRETREATMENT STANDARD
Any regulation containing pollutant discharge limits promulgated
by the EPA in accordance with Section 307(b) and (c) of the Act, which
applies to industrial users.
PROPERLY SHREDDED GARBAGE
Garbage that has been shredded to such a degree that all
particles will be carried freely under flow conditions normally prevailing
in the treatment works, with no particle greater than 1/2 inch in
any dimension.
SANITARY WASTEWATER
Wastewater discharged from the sanitary conveniences of dwellings,
office buildings, industrial plants, or institutions.
SIGNIFICANT INDUSTRIAL USER
(1)
Has a process wastewater flow [Note: excludes
sanitary, noncontact cooling and boiler blowdown wastewater] of 25,000
gallons or more per average work day;
(2)
Contributes a process waste stream which makes
up 5% or more of the average dry weather hydraulic or organic capacity
of the POTW;
(3)
Is subject to categorical pretreatment standards;
or
(4)
Has significant impact, either singularly or
in combination with other significant dischargers, on the treatment
works or the quality of its effluent.
SLUG LOAD
Any discharge at a flow rate or concentration which could cause a violation of the prohibited discharge standard in Article
V, §
132-27, of this chapter or any discharge of a nonroutine, episodic nature, including, but not limited to, an accidental spill or a noncustomary batch discharge.
STANDARD METHODS
The latest edition of Standard Methods for the Examination
of Water and Wastewater, published by the American Public Health Association,
Water Environment Federation, and American Water Works Association.
STATE
The Commonwealth of Virginia.
STORM SEWER
A sewer for conveying stormwater, surface water, and other
waters, which is not intended to be transported to a treatment works.
SURFACE WATER
(1)
All waters which are currently used, were used
in the past, or may be susceptible to use in interstate or foreign
commerce, including all waters which are subject to the ebb and flow
of the tide;
(2)
All interstate waters, including interstate
wetlands;
(3)
All other waters such as inter/intrastate lakes,
rivers, streams (including intermittent streams), mudflats, sandflats,
wetlands, sloughs, prairie potholes, wet meadows, playa lakes, or
natural ponds, the use, degradation, or destruction of which would
affect or could affect interstate or foreign commerce including any
such waters:
(a)
Which are or could be used by interstate or
foreign travelers for recreational or other purposes;
(b)
From which fish or shellfish are or could be
taken and sold in interstate or foreign commerce; or
(c)
Which are used or could be used for industrial
purposes by industries in interstate commerce;
(4)
All impoundments of waters otherwise defined
as surface waters under this definition;
(5)
Tributaries of waters identified in Subsections
(1) through
(4) of this definition;
(7)
Wetlands adjacent to waters, other than waters that are themselves wetlands, identified in Subsections
(1) through
(6) of this definition.
SUSPENDED SOLIDS
The total suspended matter that either floats on the surface
of, or is in suspension in, water or wastewater as determined by standard
methods.
TOXICS
Any of the pollutants designated by federal regulations pursuant
to Section 307(a)(1) of the Act.
TREATMENT FACILITY
Only those mechanical-power driven devices necessary for
the transmission and treatment of pollutants (e.g., pump stations
and unit treatment processes).
TREATMENT WORKS
Any devices and systems used for the storage, treatment,
recycling and/or reclamation of sewage or liquid industrial waste,
or other waste necessary to recycle or reuse water, including intercepting
sewers, outfall sewers, sewage collection systems, individual systems,
pumping, power, and other equipment and their appurtenances; extensions,
improvements, remodeling, additions, or alterations; and any works,
including land that will be an integral part of the treatment process
or is used for ultimate disposal of residues resulting from such treatment;
or any other method or system used for preventing, abating, reducing,
storing, treating, separating, or disposing of municipal waste, or
industrial waste, including waste in combined sewer water and sanitary
sewer systems.
USER
A source of wastewater discharge into a POTW.
USER PERMIT
A document issued by the POTW to the user that permits the
connection and/or introduction of wastes into the treatment works
under the provisions of this chapter.
VPDES
Virginia Pollutant Discharge Elimination System permit program,
as administered by the Commonwealth of Virginia.
WASTEWATER
A combination of liquid and water-carried wastes from residences,
commercial buildings, industries, and institutions, together with
any groundwater, surface water, or stormwater that may be present.
WEF
The Water Environment Federation.