For the purpose of this chapter, certain terms
and words are hereby defined as follows:
ACT or THE ACT
The Federal Water Pollution Control Act, also known as the
"Clean Water Act," as amended, 33 U.S.C. § 1251 et seq.
APPROVAL AUTHORITY
The Director in an NPDES state with an approved state pretreatment
program and the Administrator of the EPA in a non-NPDES state or NPDES
state without an approved state pretreatment program.
ASTM
American Society for Testing and Materials.
AUTHORIZED REPRESENTATIVE OF INDUSTRIAL USER
A.
An authorized representative of an industrial
user may be:
(1)
A principal executive officer of at least the
level of Vice President, if the industrial user is a corporation.
(2)
A general partner or proprietor if the industrial
user is a partnership or proprietorship, respectively.
B.
A duly authorized representative is responsible
for the overall operation of the facilities from which the indirect
discharge originates.
BEST MANAGEMENT PRACTICE (BMP)
The schedules of activities, prohibitions of practices, maintenance
procedures, and other management practices to prevent or reduce the
introduction of pollutants to the POTW. BMPs also include treatment
requirements, operating procedures, and practices to control site
runoff, spillage or leaks, sludge or waste disposal, or drainage from
raw material storage. BMPs also include alternate means (i.e., management
plans) of complying with or in place of certain established categorical
pretreatment standards and effluent limits.
BIOCHEMICAL OXYGEN DEMAND (BOD)
The quantity of oxygen utilized in the biochemical oxidation
of organic matter under standard laboratory procedure, five days at
20° C. expressed in terms of weight and concentration [milligrams
per liter (mg/l)].
BRANCH SEWER
A sewer that receives wastewater from a relatively small
area and discharges into a main sewer serving more than one branch-sewer
area.
BUILDER
Any person, persons or corporation who or which undertakes
to construct, either under contract or for resale, any habitable building.
BUILDING DRAIN
That part of the lowest horizontal piping of a drainage system
which receives the discharge from soil, waste and other drainage pipes
inside the walls of the building and conveys it to the building sewer,
beginning five feet outside the inner face of the building wall.
BUILDING SEWER
The extension from the building sanitary drain to the public
sanitary sewer or other place of disposal.
CARBONACEOUS BIOCHEMICAL OXYGEN DEMAND (CBOD5)
The quantity of oxygen used in the biochemical degradation
of organic material in five days at 20° C. when the oxidation
of reduced forms of nitrogen is prevented by the addition of an inhibitor.
[Added 3-14-2023 by Ord.
No. 23-02]
CATEGORICAL INDUSTRIAL USER
An industrial user who is subject to the National Categorical Pretreatment Standards. All categorical users are considered significant industrial users unless exempted under §
180-12.
CATEGORICAL STANDARDS
National Categorical Pretreatment Standards or pretreatment
standard published in 40 CFR Subchapter N, Parts 401 through 471.
CO-MINGLING
The practice of combining septage from multiple locations
and grease from other multiple locations within the same truck run.
COMMERCIAL OR INSTITUTIONAL FACILITIES
A business facility or public service which, during the course
of conducting business or service, or maintaining a structure used
for business or service, as determined by the Kent County Public Works
Director based on information readily available to him, more frequently
than not, either directly or indirectly, on any given business day
discharges wastewater containing substances other than just sanitary
waste to the Kent County sanitary sewer system.
CONTRACTOR
Any person, firm or corporation approved by the state to
do work in the County.
CONTRACT USER
Any person, firm or corporation approved by Kent County to
contract directly for bulk-flow sewer service.
CONTROL AUTHORITY
The Kent County Department of Public Works, which has been
delegated the authority to implement and maintain the pretreatment
program in Kent County.
COOLING WATER
The water discharged from any use such as air conditioning,
cooling or refrigeration, or to which the only pollutant added is
heat.
COUNTY
The County of Kent, Delaware.
DEVELOPER
Any person, persons or corporation who or which undertakes
to construct more than one housing unit on a given tract or land subdivision.
DIRECT DISCHARGE
The discharge of treated or untreated wastewater directly
to the waters of the State of Delaware.
ENVIRONMENTAL PROTECTION AGENCY or EPA
The United States Environmental Protection Agency, or where
appropriate the term may also be used as a designation for the Administrator
or other duly authorized official of said Agency.
FOOD SERVICE FACILITY
Any facility that prepares and/or packages food or beverages
for sale or consumption, on- or off-site, with the exception of private
residences and facilities that prepare fewer than 10 meal events (breakfast,
lunch or dinner) per month, or serve one meal event/day for a maximum
of four months per year. Food service facilities include, but are
not limited to, food courts, food manufacturers, food packagers, restaurants,
grocery stores, bakeries, lounges, hospitals, hotels, nursing homes,
churches, schools, correctional facilities and all other food service
facilities not listed above.
FORCE MAIN
The sewer line that is under pressure where the wastewater
is pumped from the various collection basins to the wastewater treatment
plant.
GARBAGE
Solid wastes from the preparation, cooking and dispensing
of food and from the handling, storage and sale of produce.
GRAB SAMPLE
A sample which is taken from a waste stream on a one-time
basis with no regard to the flow in the waste stream and without consideration
of time.
GREASE
A material, either liquid or solid, composed primarily of
fat, oil and grease (FOG) from animal or vegetable sources. Brown
grease is grease that is recovered from grease traps and interceptors.
Yellow grease is inedible oil and grease that comes directly from
fryers and other cooking equipment.
GREASE INTERCEPTOR
A device located underground and outside of a food service
facility designed to collect, contain or remove food wastes and grease
from the wastestream while allowing the balance of the liquid waste
to discharge to the wastewater collection system by gravity. Interceptors
shall have at least one inspection hatch on the top surface to facilitate
inspection, cleaning and maintenance by a grease hauler.
GREASE TRAP
A device located in a food service facility or under a sink
designed to collect, contain or remove food wastes and grease from
the wastestream while allowing the balance of the liquid waste to
discharge to the wastewater collection system by gravity. Traps shall
have a removable lid on the top surface to facilitate inspection,
cleaning and maintenance.
GROWTH ZONE
The growth zone is the geographic area annotated on the officially
adopted Kent County Comprehensive Plan and Zoning Maps. This area
represents where growth might be better supported with public services
such as water and sewer. The boundary of the growth zone is reviewed
during the Comprehensive Plan update process and proposed revisions
to the geographic boundary attempt to accurately annotate changes
in public service systems and infrastructure.
HOLDING TANK WASTE
Any waste from holding tanks such as vessels, chemical toilets,
campers, trailers, septic tanks, and vacuum-pump trucks.
INDIRECT DISCHARGE
The discharge or the introduction of nondomestic pollutants
from any source regulated under Section 307(b), (c) or (d) of the
Act (33 U.S.C. § 1317) into the POTW (including holding
tank waste discharged into the system).
INDUSTRIAL USER
A source of indirect discharge which does not constitute
a discharge of pollutants under regulations issued pursuant to Section
402 of the Act (33 U.S.C. § 1342).
INDUSTRIAL WASTE
Waste resulting from any process of industry, manufacturing,
trade or business from the development of any natural resource, or
any mixture of waste with water or normal wastewater, or distinct
from normal wastewater.
INDUSTRIAL WASTEWATER DISCHARGE PERMIT
The whole or part of any license, certificate, approval, registration, user agreement or contract, or similar form of permission required by law for allowing wastewater discharges into the Kent County Regional Sewer System. The permit is granted by Kent County, following review of a permit application and, as set forth by the conditions given in §
180-12 of this chapter.
INFRASTRUCTURE
The infrastructure of the sewer systems includes the main
transmission force main, pump stations, main sewers, branch sewers
and laterals. The core infrastructure includes the main transmission
force main, the pump stations and the main sewer.
INSPECTOR
The County Public Works Director or his authorized deputy,
agent or representative.
INTERFERENCE
A discharge which, alone or in combination with a discharge
or discharges from other sources, creates the inhibition or disruption
of the POTW treatment processes or operations which contributes to
a violation of any requirement of the County NPDES permit or water
quality standards. The term includes prevention of sewage sludge use
or disposal by the POTW in accordance with Section 405 of the Act
(33 U.S.C. § 1345) or any criteria, guidelines or regulations
developed pursuant to the Solid Waste Disposal Act (SWDA), the Clean
Air Act, the Toxic Substances Control Act, or more stringent state
criteria (including those contained in any state sludge management
plan prepared pursuant to Title IV of SWDA) applicable to the method
of disposal or use employed by the POTW.
KENT COUNTY SEWAGE DISPOSAL DISTRICT NO. 1
The legal entity established by resolution dated October
1, 1968, including all duly adopted subsequent amendments, containing
lands, incorporated or otherwise, served directly or indirectly by
a central sanitary sewer maintained in whole or in part by Kent County.
LATERAL SEWER
A sewer that discharges into a branch or other sewer and
has no other common sewer tributary to it.
LEVY COURT
The duly elected Levy Court of Kent County, or its authorized
deputy or representative.
LIVING UNIT
A room or group of rooms occupied or intended to be occupied
as separate living quarters by a single family or other group of persons
living together as a household or by a person living alone.
MAIN SEWER
In larger systems, the principal sewer to which branch sewers,
laterals, and submains are tributary; also called "trunk sewer" or
"interceptor." In small systems, a sewer to which one or more branch
sewers or laterals are tributary.
MAXIMUM ALLOWABLE HEADWORKS LOADING (MAHL)
The estimated loading of a pollutant that can be received
by the Kent County regional wastewater treatment facility's headworks
without causing pass-through or interference.
MAXIMUM ALLOWABLE INDUSTRIAL LOADING (MAIL)
The estimated pollutant loadings the Kent County Regional
Wastewater Treatment Facility can receive from controlled sources
(i.e., industrial users, commercial sources, hauled wastes) that are
established through local limits.
MIDDLE TIER CATEGORICAL INDUSTRIAL USER
A categorical industrial user who discharges more than 100
gallons per day but less than or equal to 5,000 gallons per day of
industrial wastewater or 0.01% of the Kent County regional wastewater
treatment facility's dry-weather flow, design organic treatment capacity,
or the maximum allowable headworks loading.
MUNICIPAL CONTRACT USER
At the current time, the following communities are classified
as municipal contact users: Camden-Wyoming, Dover, Milford, and Smyrna.
Additional municipalities may be added when formal contracts are signed.
NATURAL OUTLET
Any outlet into a watercourse, pond, ditch, lake or other
body of surface water or groundwater.
NEW SOURCE
A.
Any building, structure, facility or installation
from which there is or may be the discharge of pollutants, the construction
of which commenced after the publication of proposed pretreatment
standards under Section 307(c) of the Act which are applicable to
such source if such standards are thereafter promulgated in accordance
with that section, provided that:
(1)
The building, structure, facility or installation
is constructed at a site at which no other source is located; or
(2)
The building, structure, facility or installation
totally replaces the process or production equipment that causes the
discharge of pollutants of an existing source; or
(3)
The production or wastewater generating processes
of the building, structure, facility or installation are substantially
independent of an existing source at the same site. In determining
whether these are substantially independent, factors such as the extent
to which the new facility is integrated with the existing plant, and
the extent to which the new facility is engaged in the same general
type of activity as the existing source should be considered.
B.
Construction on a site at which an existing source is located results in a modification rather than a new source if the construction does not create a new building, structure, facility, or installation meeting the criteria of Subsection
A(2) or
(3) above but otherwise alters, replaces, or adds to existing process or production equipment.
C.
Construction of a new source as defined under
this definition has commenced if the owner or operator has:
(1)
Begun or caused to begin as part of a continuous
on-site construction program (a) any placement, assembly, or installation
of facilities or equipment; or (b) significant site preparation work,
including clearing, excavation, or removal of existing buildings,
structures, or facilities which is necessary for the placement, assembly,
or installation of new source facilities or equipment; or
(2)
Entered into a binding contractual obligation
for the purchase of facilities or equipment which are intended to
be used in its operation within a reasonable time. Options to purchase
or contracts which can be terminated or modified without substantial
loss, and contracts for feasibility, engineering, and design studies
do not constitute a contractual obligation under this subsection.
NONCATEGORICAL SIU
A significant industrial user who is not subject to categorical
pretreatment standards.
ONE-HUNDRED-YEAR FLOOD
A flood having an average frequency of occurrence in the
order of once in 100 years. It is based on statistical analyses of
stream flow records available or rainfall-runoff characteristics of
the watershed.
ONE-HUNDRED-YEAR TIDE
The tide having an average frequency of occurrence in the
order of once in 100 years. It is based on statistical analyses of
recorded hurricanes supplemented by meteorological studies.
OPERATOR
In this chapter, any person who engages in the removal of
liquid wastes from septic tanks, cesspools, seepage pits, holding
tanks or other such devices, and conveys such liquid waste to a location
removed from the point of acceptance.
OWNER
Any individual, firm, company, association, society, person
or group having title to real property.
PASS-THROUGH
A discharge which exits the Kent County wastewater treatment
plant into waters of the State of Delaware in quantities or concentrations
which, alone or in conjunction with a discharge or discharges from
other sources, may serve to cause a violation of Kent County's NPDES
permit and associated applicable State of Delaware water quality standards.
PERSON
Any individual, partnership, copartnership, firm, company,
corporation, association, joint-stock company, trust, estate, governmental
entity or any other legal entity or their legal representatives, agents
or assigns. The masculine gender shall include the feminine and the
singular shall include the plural where indicated by the context.
pH
The logarithm of the reciprocal of the concentration of hydrogen
ions in grams-ionic weights per liter of solution.
POLLUTANT
Any dredged spoil, solid waste, incinerator residue, sewage,
garbage, sewage sludge, munitions, chemical wastes, biological materials,
radioactive materials, heat, wrecked or discharged equipment, rock,
sand, cellar dirt and industrial, municipal and agricultural waste
discharged into water.
POLLUTED WATER
Noxious and deleterious substances rendering the water unclean
to the extent of being harmful or inimical to the public health or
to animal or aquatic life or to the use of such waters for domestic
water supply, industrial water supply or recreation, or which contribute
to the reduction of water quality below the standards set by the Department
of Natural Resources and Environmental Control, Division of Water
Resources.
POLLUTION
The man-made or man-induced alteration of the chemical, physical,
biological and radiological integrity of water.
POTW TREATMENT PLANT
That portion of the POTW (publicly owned treatment works)
designed to provide treatment to wastewater.
PRETREATMENT or TREATMENT
The reduction of the amount of pollutants, the elimination
of pollutants, or the alteration of the nature of pollutant properties
in wastewater to a less harmful state prior to or in lieu of discharging
or otherwise introducing such pollutants into a POTW. The reduction
or alteration can be obtained by physical, chemical or biological
processes, or process changes by other means, except as prohibited
by 40 CFR. 403.6(d).
PRETREATMENT REQUIREMENTS
Any substantive or procedural requirement related to pretreatment,
other than a National Pretreatment Standard imposed on an industrial
user.
PROFESSIONAL ENGINEER
A person authorized by Delaware law to practice professional
engineering in the State of Delaware.
PROPERLY SHREDDED GARBAGE
The wastes from the preparation, cooking and dispensing of
food that has been shredded to such a degree that all particles will
be carried freely under the flow conditions normally prevailing in
public sewers, with no particle greater than 1/2 inch in any dimension.
PROPERTY LINE
The highway right-of-way if the building sewer is to connect
with the public sewer in a public street. "Property line" shall mean
the edge of a right-of-way in those instances where the building sewer
connects to the public sewer in a right-of-way.
PUBLICLY OWNED TREATMENT WORKS (POTW)
A treatment works as defined by Section 212 of the Act (33
U.S.C. § 1292), which is owned in this instance by the County.
This definition includes any sewers that convey wastewater to the
POTW treatment plant, but does not include pipes, sewers or other
conveyances not connected to a facility providing treatment. For the
purposes of this chapter, "POTW" shall also include any sewers that
convey wastewaters to the POTW from persons outside the County who
are, by contract or agreement with the County, users of the County's
POTW.
PUBLIC SEWER
A sewer in which all owners of abutting properties have equal
rights and which is controlled by public authority.
PUBLIC WORKS DIRECTOR
A.
The Public Works Director for Kent County.
B.
The person designated by the County to supervise
the operation of the publicly owned treatment works and who is charged
with certain duties and responsibilities by this article, or his duly
authorized representative.
REFERENCE POINT
A point of known elevation and location of a permanent nature.
Such points may be marked with a brass pin or cap set in concrete,
a cross or square mark cut on concrete, a long metal stake driven
into the ground, a specifically located point on a concrete bridge,
culvert or foundation or similar objects which are not likely to be
disturbed for a long time.
RELIEF SEWER
A.
A sewer built to carry the flows in excess of
the capacity of an existing sewer.
B.
A sewer intended to carry a portion of the flow
from a district in which the existing sewers are of insufficient capacity,
and thus prevent overtaxing the latter.
SANITARY SEWER
A sewer which carries sewage and to which stormwater, surface
water and groundwater are not intentionally admitted.
SEPTAGE
Wastewater, sludge and grease removed from septic tanks.
SEWAGE
A combination of liquid and water-carried wastes from residences,
business buildings, institutions and industrial establishments.
SEWAGE WORKS
All facilities for collecting, pumping, treating and disposing
of sewage.
SEWER
A pipe or conduit for carrying sewage.
SEWER PERMIT
A permit issued by Kent County Levy Court to allow a building
to be connected to the County sewer system.
SIGNIFICANT INDUSTRIAL USER (SIU)
For the purpose of this chapter, a SIU is defined as:
A.
All categorical industrial users.
B.
Any noncategorical industrial user that discharges
25,000 gallons per day or more of process wastewater ("process wastewater"
excludes sanitary, noncontact cooling and boiler blow-down wastewaters).
C.
A user which contributes a process waste stream
which makes up 5% or more of the average dry-weather hydraulic or
organic (BOD, TSS, etc.) capacity of the treatment plant.
D.
A user which has a reasonable potential, in
the opinion of the control or approval authority, to adversely affect
the POTW treatment plant (inhibition, pass-through of pollutants,
sludge contamination or endangerment of POTW workers).
SIGNIFICANT NONCOMPLIANCE
A violation or violations which meet one or more of the following
criteria:
A.
Violations of wastewater discharge permit or
Sanitary Code.
(2)
Technical review criteria (TRC) violations.
(3)
Any violation(s) of an effluent limit (average
or daily maximum) that has caused, alone or in combination with other
discharges, interference or pass-through, or has endangered the health
of the public or sewage treatment personnel.
(4)
Any discharge from permitted or unpermitted
industrial users of a pollutant that has caused imminent endangerment
to human health and/or welfare or to the environment or has resulted
in the POTW's exercise of its emergency authority to halt or prevent
such discharges.
(5)
Any discharge from permitted or unpermitted
industrial users that passed through or interfered with the operation
of the treatment process.
B.
Violations of compliance schedule milestones
contained in a local control mechanism or enforcement order for starting
or completing construction and attaining final compliance by 90 days
or more after compliance schedule dates.
(1)
Failure to provide reports for compliance schedules,
self-monitoring data or categorical standards (baseline monitoring
reports, ninety-day compliance reports, compliance and periodic reports)
within 45 days from the due date.
(2)
Failure to accurately report noncompliance.
(3)
Any violation or group of violations that include
a best management practice (BMP) which could adversely affect the
operation or implementation of the pretreatment program or affect
the treatment plant.
SLUG LOAD or SLUG
Any discharge at a flow rate or concentration which could cause a violation of the prohibited discharge standards in §
180-10B of this chapter. Any discharge of a nonroutine episodic nature, including but not limited to an accidental spill or a noncustomary batch discharge, which has reasonable potential to cause interference or pass-through, or in any other way violate the POTW's regulations, local limits or permit conditions.
STANDARD INDUSTRIAL CLASSIFICATION (SIC)
A classification pursuant to the Standard Industrial Classification
Manual issued by the Executive Office of the President, Office of
Management and Budget, and as amended.
STANDARD METHODS
The examination and analytical procedures set forth in the
latest edition, at the time of analysis, of Standard Methods of Examination
of Water and Wastewater, as prepared, approved and published jointly
by the American Public Health Association, the American Water Works
Association and the Water Pollution Control Federation.
STORM SEWER or STORM DRAIN
A pipe or conduit which carries stormwater and surface waters
and drainage but excludes sewage and industrial waste.
STORMWATER
Any flow occurring during or following any form of natural
precipitation and resulting therefrom.
SUBMAIN SEWER
A sewer into which the wastewater from two or more lateral
sewers is discharged and which subsequently discharges into a main,
a trunk or other collector.
SUSPENDED SOLIDS
Solids that either float on the surface of or are in suspension
in water, sewage or other liquids; and which are removable by laboratory
filtering.
TEN STATE STANDARDS
The latest edition of Recommended Standards for Sewage Works,
published by the Health Education Service.
TOTAL TOXIC ORGANICS (TTO)
The summation of all quantifiable values greater than 0.01
milligram per liter (mg/l) for the following: Acenaphthene, Acrolein,
Acrylonitrile, Benzene, Benzidine, Carbon tetrachloride (tetrachloromethane),
Chlorobenzene, 1, 2, 4-Trichlorobenzene, Hexachlorobenzene, 1, 2-Dichloroethane,
1, 1, 1-Trichloroethane, Hexachloroethane, 1, 1-Dichloroethane, 1,
1, 2-Trichloroethane, 1, 1, 2, 2-Tetrachloroethane, Chloroethane,
Bis (2-chloroethyl) ether, 2-Chloroethyl vinyl ether (mixed), 2-Chloronaphthalene,
2, 4, 6-Trichlorophenol, Parachlorometa cresol, Chloroform (trichloromethane),
2-Chlorophenol, 1, 2-Dichlorobenzene, 1, 3-Dichlorobenzene, 1, 4-Dichlorobenzene,
3, 3-Dichlorobenzidine, 1, 1-Dichloroethylene, 1, 2-Trans-dichloroethylene,
2, 4-Dichlorophenol, 1, 2-Dichloropropane, 1, 3-Dichloroproplyene
(1, 3-dichloropropene), 2, 4-Dimethylphenol, 2, 4-Dinitrotoluene,
2, 6-Dinitrotoluene, 1, 2-Diphenlyhydrazine, Ethylbenzene, Fluoranthene,
4-Chlorophenyl phenyl ether, 4-Bromophenyl phenyl ether, Bis (2-Chloroisopropyl)
ether, Bis (2-chloroethoxy) methane, Methylene chloride (dichloromethane),
Methyl chloride (chloromethane), Methyl bromide (bromomethane), Bromoform
(tribromomethane), Dichlorobromomethane, Chlorodibromomehtane, hexachlorobutadiene,
Hexachlorocyclopentadiene, Isophorone, Naphthalene, Nitrobenzene,
2-Nitrophenol, 4-Nitrophenol, 2, 4-Dinitrophenol, 4, 6-Dintro-o-cresol,
N-nitrosodimethylamine, N-nitrosodiphenylamine, N-nitroso-n-propylamine,
Pentachlorophenol, Phenol, Bis (2-ethylhexyl) phthalate, Butyl benzyl
phthalate, Di-n-butyl phthalate, Di-n-octyl phthalate, Diethyl phthalate,
Dimethyl phthalate, 1, 2-Benzanthracene [benzo(a)anthracene], Benzo(a)pyrene
(3, 4-benzopyrene), 3, 4-Benzofluoranthene [benzo(b)fluoranthene],
11, 12-Benzofluoranthene [benzo(k)fluoranthene], Chrysene, Acenaphthylene,
Anthracene, 1, 12-Benzoperylene [benzo(ghi)perylene], Fluorene, Phenanthrene,
1, 2, 5, 6-Dibenzanthracene [dibenzo(a, h)anthracene], Indeno (1,
2, 3-cd) pyrene, (2, 3-o-phenlene pyrene), Pyrene, Tetrachloroethylene,
Toluene, Trichloroethylene, Vinyl chloride (chloroethylene), Aldrin,
Dieldrin, Chlordane (technical mixture and metabolites), 4, 4-DDT,
4, 4-DDE (p, p-DDX), 4, 4-DDD (p, p-TDE), Alpha-endosulfan, Beta-endosulfan,
Endosulfan sulfate, Endrin, Endrin aldehyde, Heptachlor, Heptachlor
epoxide (BHC-hexachloro-cyclohexane), Alpha-BHC, Beta-BHC, Gamma-BHC,
Delta-BHC, PCB-polychlorinated biphenyls: PCB-1242 (Arochlor 1242),
PCB-1254 (Arochlor 1254), PCB-1221 (Arochlor 1221), PCB-1232 (Arochlor
1232), PCB-1248 (Arochlor 1248), PCB-1260 (Arochlor 1260), PCB-1016
(Arochlor 1016), Toxaphene, 2, 3, 7, 8-Tetrachlorodibenzo-p-dioxin
(TCDD).
TOXIC POLLUTANT
Any pollutant or combination of pollutants listed as toxic
in regulations promulgated by the Administrator of the Environmental
Protection Agency under the provision of CWA 307(a) or other acts.
USER
Any person who contributes, causes or permits the contribution
of wastewater into the County's POTW.
WASTE
Rejected, unutilized or superfluous substances in liquid,
gaseous or solid form resulting from domestic, agricultural, commercial
or industrial activities.
WASTEWATER
The liquid and water-carried industrial or domestic wastes
from dwellings, commercial buildings, industrial facilities and institutions,
together with any groundwater, surface water, and stormwater that
may be present, whether treated or untreated, which is contributed
into or permitted to enter the POTW.
WATERCOURSE
A channel in which a flow of water occurs, either continuously
or intermittently.
WATER QUALITY STANDARDS
Current receiving water concentration limits for specific
toxic pollutants based on the designated use of the receiving water
and set by the Department of Natural Resources and Environmental Control,
Division of Water Resources. Applicable standards at the time of adoption
of this chapter are published in State of Delaware Surface Water Quality
Standards as amended February 2, 1990.
WATERS OF THE STATE
All streams, lakes, ponds, marshes, watercourses, waterways,
wells, springs, reservoirs, aquifers, irrigation systems, drainage
systems and all other bodies or accumulations of water, surface or
underground, natural or artificial, public or private, which are contained
within, flow through or border upon the state or any portion thereof.
YELLOW GREASE
The fats, oils and greases generated by commercial fryer
operations.