As used
in this chapter, the following terms shall have the meanings indicated:
AMMONIA NITROGEN (NH3N)
One of the oxidation states of nitrogen, in which nitrogen
is combined with hydrogen in molecular form as NH3 or in ionized form as NH+4. Quantitative determination of ammonia
nitrogen shall be made in accordance with procedures set forth in
the latest edition of "Standards Methods."
APPROVING AUTHORITY
The Common Council of the City of Brodhead or its duly authorized
deputy, agent, or representative.
BIOCHEMICAL OXYGEN DEMAND (BOD)
The quantity of oxygen utilized in the biochemical oxidation
of organic matter in five days at 20° C., expressed in milligrams
per liter. Quantitative determination of BOD5 shall be made in accordance with procedures set forth in "Standard
Methods."
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 (1.5 meters) outside the inner face of
the building wall.
BUILDING SEWER
The extension from the building drain to the public sewer
or other place of disposal, also called "house connection." The portion
of the building sewer located within the public right-of-way or easement
shall be considered an integral part of the public sewer with ownership
by the City. The property owner shall have the responsibility for
maintaining the building sewer, including but not limited to cleaning
or clearing the building sewer by rodding or flushing.
CHLORINE REQUIREMENT
The amount of chlorine, in milligrams per liter, which must
be added to wastewater to produce a specified residual chlorine content
in accordance with procedures set forth in "Standard Methods."
CITY
The City of Brodhead, Counties of Green and Rock, State of
Wisconsin.
COMBINED SEWER
Any sewer intended to serve as a sanitary sewer and a storm
sewer.
COMMERCIAL USER
Any user whose premises are used primarily for the conduct
of a profit-oriented enterprise in the fields of construction, wholesale
or retail trade, finance, insurance, real estate or services, and
who discharges primarily normal domestic wastewater. This definition
shall also include multifamily residences having three or more units
served by a single water meter.
COMPATIBLE POLLUTANT
Biochemical oxygen demand, suspended solids, pH, or fecal
coliform bacteria, plus additional pollutants identified in the WPDES
permit for the publicly owned treatment works receiving the pollutants
if such works was designed to treat such additional pollutants and,
in part, does remove such pollutants to a substantial degree.
DWELLING UNITS
A structure, or that part of a structure, which is used or
intended to be used as a home, residence or sleeping place by one
person or by two or more persons maintaining a common household, to
the exclusion of all others.
EASEMENT
An acquired legal right for the specific use of land owned
by others.
FIXED CHARGE
The charges for the cost of debt retirement associated with
the construction, erection, modification, or rehabilitation of the
wastewater treatment facility and collection system. This charge shall
be above the treatment, operation and maintenance and replacement
charges. Fixed charges are based on the number of dwelling units and
the size of the customer's water meter(s) serving the user.
FLOATABLE OIL
Oil, fat, or grease in a physical state such that it will
separate by gravity from wastewater by treatment in an approved treatment
facility. A wastewater shall be considered free of floatable oil if
it is properly pretreated and the wastewater does not interfere with
the collection system.
GARBAGE
The residue from the preparation, cooking and dispensing
of food and from the handling, storage, and sale of food products
and produce.
GREASE
A group of substances, including fats, waxes, free fatty
acids, calcium and magnesium soaps, mineral oils, and certain other
nonfatty materials as analyzed in accordance with procedures set forth
in "Standard Methods."
GROUND GARBAGE
The residue from the preparation, cooking, and dispensing
of food that has been shredded to such degree that all particles will
be carried freely in suspension under the flow conditions normally
prevailing in public sewers, with no particle greater than 1/2 inch
in any dimension.
INCOMPATIBLE POLLUTANT
Any pollutant which is not a compatible pollutant which will
adversely affect or disrupt the quality of wastewater treatment if
discharged to a wastewater treatment facility.
INDUSTRIAL USER
Any user whose premises are used primarily for the conduct
of a profit-oriented enterprise in the fields of manufacturing, transportation,
communications, utilities, mining, agriculture, forestry, or fishing.
INDUSTRIAL WASTE
Any trade or process waste as distinct from segregated domestic
wastes or wastes from sanitary conveniences.
INFILTRATION
Water unintentionally entering sanitary sewers, building
drains, and building sewers from the ground through such means as,
but not limited to, defective pipes, pipe joints, connections or manhole
walls.
INFLOW
The water discharged into the sanitary sewer, building drains,
and building sewers from such sources as, but not limited to, roof
leaders, cellar, yard and area drains, foundation drains, unpolluted
cooling water, drains from springs and swampy areas, manhole covers,
cross-connections from storm sewers and combined sewers, catch basins,
stormwater, surface runoff, street wash waters or drainage.
INTERCEPTING SEWER
A sewer whose primary purpose is to convey wastewater from
a collection system or systems to a wastewater treatment facility.
Size of the sewer is not a factor.
MAJOR CONTRIBUTING INDUSTRY
An industrial or commercial facility that is a user of publicly
owned treatment works and:
(1)
Has a waste discharge flow of 50,000 gallons or more per average
workday;
(2)
Has a waste discharge flow greater than 5% of the flow carried
by the municipal system receiving the waste;
(3)
Has in its waste a toxic pollutant in toxic amounts as defined
in Ch. NR 215, Wis. Adm. Code; or
(4)
Has a waste which the approving authority determines has, or,
in the case of a new source, will have, a significant impact, either
singly or in combination with other wastes, on the publicly owned
treatment works or on the quality of effluent from such works.
NATURAL OUTLET
Any outlet, including storm sewers and combined sewer overflows,
into a watercourse, pond, ditch, lake, or other body of surface water
or groundwater.
NORMAL DOMESTIC WASTEWATER
Sanitary wastewater resulting from the range of normal domestic
activities, in which BOD5, SS or phosphorus
concentrations do not exceed normal concentrations of:
(1)
A five-day, 20˚ C, BOD, concentration of not more than 175 mg/L.
(2)
A suspended solids concentration of not more than 175 mg/L.
(3)
An ammonia concentration of not more than 30 mg/L.
(4)
A phosphorus concentration of not more than 7 mg/L.
OPERATION AND MAINTENANCE (O&M) COSTS
All costs associated with the operation and maintenance of
the wastewater treatment facility and wastewater collection system,
as well as the costs associated with periodic equipment replacement
necessary for maintaining the capacity and performance of the wastewater
treatment and collection systems.
PARTS PER MILLION
A weight-to-weight ratio; the parts per million value multiplied
by the factor 8.34 shall be equivalent to pounds per million gallons
of water.
PERSON
Any and all persons, including any individual, firm, company,
municipal or private corporation, association, society, institution,
enterprise, governmental agency, or other entity.
pH
The logarithm (base 10) of the reciprocal of the hydrogen
ion concentration. The concentration is the weight of hydrogen ions
in grams per liter of solution. Neutral water, for example, has a
pH value of 7 and a hydrogen ion concentration of 10-7.
PHOSPHORUS (P)
Total phosphorus in wastewater, which may be present in any
of three principal forms: orthophosphates, polyphosphates, and organic
phosphates. Quantitative determination of total phosphorus shall be
made in accordance with procedures set forth in "Standard Methods."
PRETREATMENT
An arrangement of devices and structures for the preliminary
treatment or processing of wastewater required to render such wastes
acceptable for admission to the public sewers.
PUBLIC AUTHORITY
Any user whose premises are used for the conduct of the legislative,
judicial, administrative, or regulatory activities of federal, state,
local, or international units of government; government-owned educational
facilities; government-owned health facilities; or government-owned
recreational facilities. This does not include government-owned or
-operated business establishments.
REPLACEMENT COSTS
Expenditures for obtaining and installing equipment, accessories,
and appurtenances which are necessary during the service life of the
treatment facility and collection system to maintain their design
capacity and performance for which the systems were designed and constructed.
Operation and maintenance costs include replacement costs.
REPLACEMENT FUND
The replacement fund shall be a separate account in which
an annual budgeted amount shall be accumulated for purposes of defraying
replacement costs as they arise. The replacement fund shall be used
exclusively to defray replacement costs, as defined in this section
above, during the useful life of the wastewater treatment facility,
at the end of such useful life, or at the time of any significant
expansion or upgrade of the wastewater treatment service pursuant
to § 66.0831, Wis. Stats., as amended or renumbered from
time to time.
RESIDENTIAL USER
Any user whose premises are used primarily as a domicile
for one or more persons and discharges only domestic wastes, but not
including dwellings classified as in the definition of "commercial
user" in this section.
SANITARY SEWER
A sewer that carries sanitary and industrial water-carried
wastes from residences, commercial buildings, industrial plants, and
institutions, together with minor quantities of groundwater, stormwater,
and surface water that are not admitted intentionally.
SEGREGATED DOMESTIC WASTES
Wastes from nonresidential sources resulting from normal
domestic activities. These activities are distinguished from industrial,
trade, and/or process discharge wastes.
SEWAGE
The spent water of a community. The preferred term is "wastewater,"
as defined in this section.
SEWER
A pipe or conduit that carries wastewater or drainage water.
SEWER LATERAL
The portion of system located between the property line and
sanitary sewer.
SEWER USER CHARGE
A charge levied on
users of the wastewater treatment facility for capital-related expenses,
as well as operation and maintenance costs of said facilities.
SIGNIFICANT CONTRIBUTORS
Shall be those users of the wastewater works whose discharges
exceed, in one or more parameters (flow, BOD5, TSS, TKN, P), 5% of the design value for that particular parameter,
on such average or peak basis as the approving authority deems appropriate.
SLUG
Any discharge of water or wastewater which, in concentration
of any given constituent or in quantity of flow, exceeds for any period
of duration longer than fifteen minutes more than five times the average
twenty-four-hour concentration or flows during normal operation and
shall adversely affect the system and/or performance of the wastewater
treatment works.
STANDARD METHODS
The examination and analytical procedures set forth in the
most recent edition of "Standard Methods for the Examination of Water
and Wastewater," published jointly by the American Public Health Association,
the American Water Works Association and the Water Environment Federation.
STORMWATER
Not only stormwater (water from rain, snow, sleet, hail,
flood or other natural cause) but also roof water, overflow water
(from tank, cistern, well or sump) and other surface water. "Stormwater"
does not include industrial and domestic wastewater.
SURCHARGE
Any user of the wastewater works whose discharge exceeds,
in one or more parameters (flow, BOD5, TSS,
TKN, P), the concentration of normal domestic wastewater for that
parameter shall be subject to a surcharge. The amount of such surcharges
shall reflect the costs incurred by the City in removing the high
strength BOD5, suspended solids, ammonia nitrogen
or P from the wastewater.
SUSPENDED SOLIDS (SS)
Solids that either float on the surface of, or are in suspension
in, water, wastewater, or other liquids and that are removable by
laboratory filtering as prescribed in "Standard Methods" and are referred
to as "nonfilterable residue."
TOXIC SUBSTANCE
Any substance, whether gaseous, liquid or solid, which, when
discharged to the system in sufficient quantities, interferes with
any wastewater treatment process or constitutes a hazard to human
beings or animals or inhibits aquatic life in the receiving stream
of the effluent from the treatment facility.
UNMETERED USER
A user who does not have a meter installed and maintained
by the City of Brodhead on their public or private water supply.
UNPOLLUTED WATER
Water of quality equal to or better than the effluent criteria
in effect or water that would not cause violation of receiving water
quality standards and would not be benefited by discharge to the sanitary
sewers and wastewater treatment facilities provided.
USER
Any person(s) discharging wastewater into the wastewater
collection system.
USER CHARGE
A sewer service charge levied on users of the wastewater
collection system and wastewater treatment facility for capital-related
expenses, as well as operation and maintenance costs for said facilities.
USER CHARGE SYSTEM
That system which generates operation and maintenance (O&M)
and replacement revenues equitably for providing each user class with
services.
USER CLASSES
Categories of users having similar flows and water characteristics:
levels of biochemical oxygen demand, suspended solids, phosphorus,
ammonia nitrogen, etc. For the purposes of this chapter, there shall
be four user classes: residential, commercial, industrial, and public
authority.
UTILITY
The City of Brodhead Sewer Utility.
VARIABLE CHARGE
The portion of the wastewater service charge based on the
volume strength of wastewater discharged to the wastewater treatment
system. The variable charge shall include the charge for normal strength
wastewater and a surcharge if any of the parameters in the discharge
exceed those of normal strength wastewater. Variable charges shall
recover O, M&R costs, plus a percentage of the fixed charge as
deemed appropriate by the approving authority.
VOLUME CHARGE
A user charge based upon the volume of normal strength wastewater
to be transported.
WASTEWATER
The spent water of a community. From the standpoint of source,
it may be a combination of the liquid and water-carried wastes from
residences, commercial buildings, industrial plants, and institutions,
together with any groundwater, surface water, and stormwater that
may be present.
WASTEWATER TREATMENT FACILITIES
The treatment works defined in this section, exclusive of
interceptor sewers and wastewater collection systems. All wastewater
treatment is provided by the City of Brodhead wastewater treatment
facility, and all references to wastewater treatment facilities refer
to those facilities owned and operated by the City of Brodhead.
WASTEWATER TREATMENT WORKS
An arrangement of devices and structures for the storage,
treatment, recycling, and reclamation of wastewater, liquid industrial
wastes, and sludge. These systems include interceptor sewers, outfall
sewers, wastewater collection systems, individual systems, pumping,
power, and other equipment and their appurtenances, any works that
are an integral part of the treatment process or are used for ultimate
disposal of residues from such treatment, or any other method or system
for preventing, abating, reducing, storing, treating, separating,
or disposing of municipal or industrial wastes.
WATERCOURSE
A natural or artificial channel for the passage of water
either continuously or intermittently.
WDNR
The Wisconsin Department of Natural Resources.
WPDES PERMIT
The Wisconsin Pollutant Discharge Elimination System permit.
General provisions are stated in Ch. NR 205, Wis. Adm. Code.