It is hereby determined and declared to be necessary
and conducive for the protection of the health, safety and welfare
of the public to levy and collect sewer charges or rentals upon all
lots, lands and premises served or benefitted by the sanitary sewerage
system, which shall include all construction for the collection, transportation,
pumping, treatment and final disposition of sewage and consisting
generally of pipes, conduits, manholes, sewer mains, intercepting
sewers, pumps and facilities for the treatment and disposal of raw
sewage where such facilities are operated directly by the City or
are provided under statutory or contractual provision, and the furnishing
of such facilities creates or imposes costs or charges upon the Utility
for the services afforded by such facilities.
As used in this article, the following terms
shall have the meanings indicated:
APPROVING AUTHORITY
The Director of Utilities and/or the Utility Commission or
a duly authorized deputy, agent or representative.
BOD (BIOCHEMICAL OXYGEN DEMAND)
The quantity of oxygen utilized in the biochemical oxidation
of organic matter in five days at 20° C., expressed as milligrams
per liter. Quantitative determination of BOD 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 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."
CATEGORY A
Those sanitary sewer users who discharge normal domestic
strength wastewater with concentrations of BOD no greater than 250
mg/l and suspended solids no greater than 250 mg/l.
CATEGORY B
Those sanitary sewer users who discharge wastewater with
concentrations in excess of 250 mg/l for BOD and 250 mg/l for suspended
solids. Users whose wastewater exceeds the concentration for any one
of these parameters shall be in Category B.
CHLORINE REQUIREMENT
The amount of chlorine in milligrams per liter which must
be added to sewage to produce a residual chlorine as specified in
the Wisconsin Pollutant Discharge Elimination System (WPDES) permit.
CITY
The City of Mayville or the City's delegated representative.
COMBINED SEWER
A sewer intended to receive both wastewater and stormwater
or surface water.
COMPATIBLE POLLUTANTS
Biochemical oxygen demand, suspended solids, phosphorous,
nitrogen, pH, or fecal coliform bacteria, plus additional pollutants
identified in the WPDES permit for the publicly owned wastewater treatment
facility receiving the pollutants, if such works were designed to
treat such additional pollutants and in fact do remove such pollutants
to a substantial degree.
EASEMENT
An acquired legal right for the specified use of land owned
by others.
FLOATABLE OIL
Oil, fat or grease in such physical state that it will separate
by gravity from wastewater by treatment in an approved pretreatment
facility. 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.
GROUND GARBAGE
The residue from the preparation, cooking and dispensing
of food that has been shredded to such a 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 POLLUTANTS
Wastewater with pollutants that will adversely affect or
disrupt the quality of wastewater treatment if discharged to a wastewater
treatment facility.
INDUSTRIAL WASTE
The wastewater from industrial process, trade or business
as distinct from sanitary sewage.
MAJOR CONTRIBUTING INDUSTRY
An industry that:
A.
Has a flow of 50,000 gallons (6,685 cubic feet
or more per average workday);
B.
Has a flow greater than 5% of the flow carried
by the wastewater collection and treatment facilities receiving the
waste;
C.
Has a material in its discharge included on
a list of toxic pollutants issued under § 283.21(1), Wis.
Stats.; or
D.
Has a significant impact, either singularly
or in combination with other contributing industries, on the wastewater
treatment facility or the quality of its effluent.
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.
NITROGEN
Kjeldahl nitrogen which is the sum of organic nitrogen and
ammonia nitrogen.
NORMAL DOMESTIC STRENGTH WASTEWATER
Wastewater with concentrations of BOD no greater than 250
mg/l, suspended solids no greater than 250 mg/l and phosphorus no
greater than 7.00 mg/l.
[Amended by Ord. No. 921-2001; 7-13-2009 by Ord. No. 1016-2009]
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 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 seven and
a hydrogen-ion concentration of 10-7.
PHOSPHORUS
Total phosphorus and is expressed in milligrams per liter
or P (phosphorus).
PUBLIC SEWER
Any publicly owned sewer, storm drain, sanitary sewer or
combined sewer.
REPLACEMENT COSTS
Expenditures for obtaining and installing equipment, accessories
or appurtenances which are necessary during the useful life of the
wastewater treatment facility to maintain the capacity and performance
for which such facilities were designed and constructed.
SANITARY SEWAGE
A combination of liquid and water-carried wastes discharged
from toilets and/or sanitary plumbing facilities.
SANITARY SEWER
A sewer that carries liquid and 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.
SANITARY SEWER SERVICE PIPE
A pipe or conduit that carries wastewater from residences,
commercial buildings, industrial plants, and institutions to the sanitary
sewer main, including the connection to the main.
[Added by Ord. No. 834-96]
SEWAGE
The spent water of a community. The preferred term is "wastewater."
SEWER
A pipe or conduit that carries wastewater or drainage water.
SEWER SERVICE CHARGE
A charge levied on users of the wastewater collection and
treatment facilities to recover annual revenues for debt service,
replacement costs and operation and maintenance expenses of said facilities.
(The user charge which covers operation, maintenance and replacement
expenses is a part of the sewer service charge.)
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 15 minutes more than five times the average
twenty-four-hour concentration of flows during normal operation and
shall adversely affect the collection 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.
STORM DRAIN (STORM SEWER)
A drain or sewer for conveying water, groundwater, subsurface
water or unpolluted water from any source.
SUSPENDED SOLIDS
Total suspended matter that either floats on the surface
of or is in suspension in water, wastewater or other liquids and that
is removable by laboratory filtering as prescribed in Standard Methods
for the Examination of Water and Wastewater and referred to as "nonfilterable
residue."
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 benefitted by discharge to the
sanitary sewers and wastewater treatment facilities provided.
USER CHARGE
A charge levied on users of the wastewater collection and
treatment facilities for payment of operation, maintenance and replacement
costs of said facilities.
UTILITY
The Wastewater Utility or the Utility's delegated representative.
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 FACILITY
An arrangement of devices and structures for treating wastewater,
industrial wastes and sludge. Sometimes used as synonymous with "wastewater
treatment plant."
WATERCOURSE
A natural or artificial channel for the passage of water,
either continuously or intermittently.
WISCONSIN POLLUTANT DISCHARGE ELIMINATION SYSTEM (WPDES) PERMIT
A document issued by the Wisconsin Department of Natural
Resources which establishes effluent limitations and monitoring requirements
for the municipal wastewater treatment facility. WPDES Permit No.
WI-0024643-3 and modifications thereof pertain to the City's wastewater
treatment facility.
The following abbreviations shall have the designated
meanings:
BOD
|
Biochemical oxygen demand
|
CFR
|
Code of Federal Regulations (40 CFR 403 is Title
40 of the Code of Federal Regulations, Part 403)
|
COD
|
Chemical oxygen demand
|
EPA
|
Environmental Protection Agency
|
l
|
Liter
|
mg
|
Milligrams
|
mg/l
|
Milligrams per liter
|
POTW
|
Publicly owned treatment works
|
SIC
|
Standard industrial classification
|
SWDA
|
Solid Waste Disposal Act, 42 U.S.C. § 6901
et seq.
|
TSS
|
Total suspended solids
|
USC
|
United States Code
|
WPDES
|
Wisconsin Pollutant Discharge Elimination System
|
The Utility shall conduct an annual audit, the
purpose of which shall be to maintain the proper proportion between
users and user classes of the sewer service charge system and to ensure
that adequate revenues are available to meet operation and maintenance
expenses, replacement costs and/or debt service costs.