[Adopted by the Commissioners of the Town of Sheboygan Sanitary
District No. 2 (Sewer) 11-16-2015 by Ord. No. 10192015, as amended through November
2023]
BOD
BOD (denoting 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 (mg/l).
Quantitative determination of BOD shall be made in accordance with
Chapters NR 218 and NR 219, Wisconsin Administrative Code.
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").
CATEGORY A USERS (SINGLE UNIT RESIDENTIAL, COMMERCIAL, SCHOOLS)
Category A sewer users are lots, parcels, buildings or premises
consisting of single unit residential, commercial, and schools having
a connection to the Town of Sheboygan Sanitary District No. 2 wastewater
collection system that discharge normal domestic strength wastewater
and that have individually metered water service connections to the
Town of Sheboygan Sanitary District No. 3 (Water) utility.
CATEGORY B USERS (MULTIPLE UNIT RESIDENTIAL, NURSING HOMES,
ASSISTED LIVING AND OTHER USES)
Category B sewer users are multiple unit residential, nursing
homes, assisted living or other use buildings or premises having a
connection to the Town of Sheboygan Sanitary District No. 2 wastewater
collection system that discharge normal domestic strength wastewater
that have water service from the Town of Sheboygan Sanitary District
No. 3 (Water) utility, but, do not have individually metered water
service.
CATEGORY D USERS (INDUSTRIAL)
Category D users are lots, parcels, buildings or premises
having a connection to the Town of Sheboygan Sanitary District No.
2 wastewater collection system that discharge BOD, suspended solids,
or phosphorus concentrations in excess of the limits for normal domestic
strength wastewater. "Category D" is defined as wastewater having
concentrations of biochemical oxygen demand (BOD) no greater than
165 mg/l, suspended solids no greater than 214 mg/l, and total phosphorous
no greater than 4.2 mg/l. Users whose wastewater exceeds the concentrations
for any one of these parameters shall be in Category D.
CATEGORY E USERS (PROPERTIES LOCATED WITHIN CITY OF SHEBOYGAN)
Category E sewer users are lots, parcels, buildings or premises
located within the municipal boundaries of the City of Sheboygan having
a connection to the Town of Sheboygan Sanitary District No. 2 wastewater
collection system that discharge normal domestic strength wastewater.
CHLORINE REQUIREMENT
The amount of chlorine, in milligrams per liter (mg/l), which
must be added to sewage to produce residual chlorine as specified
in the Wisconsin Pollutant Discharge Elimination System (WPDES) permit.
CITY
The City of Sheboygan.
CITY WASTEWATER COLLECTION FACILITIES
City wastewater collection facilities (or city wastewater
collection system) shall mean the city sewer systems, structures,
and equipment required to collect and carry away wastewater, which
are owned, operated, and maintained by the city.
COMBINED SEWER
A sewer intended to receive both wastewater and stormwater
or surface water.
COMPATIBLE POLLUTANTS
BOD, suspended solids, phosphorus, pH, or fecal coliform
bacteria, plus additional pollutants identified in the WPDES permit
for the city's wastewater treatment facility receiving the pollutants,
if the facility was designed to treat such additional pollutants,
and, in fact, does remove such pollutants to a substantial degree.
DISTRICT
The Town of Sheboygan Sanitary District No. 2.
DISTRICT WASTEWATER COLLECTION FACILITIES
District wastewater collection facilities (or District wastewater
collection system) shall mean the District's sewer system, structures,
equipment, and processes required to collect and carry away wastewater,
which are owned, operated, and maintained by the District.
EASEMENT
An acquired legal right for the specified use of land owned
by others.
FLOATABLE OIL
Floatable oil is oil, fat, or grease in a physical state
such 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 operation and maintenance of the wastewater collection
facilities or 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 process flow of 25,000 gallons (3,342 cubic feet) or more
per average workday;
B.
Has a process 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 § 147.07(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.
MUNICIPALITY
The communities and sanitary districts that are served by
the city interceptor sewers or city wastewater treatment plant.
NATURAL OUTLET
Any outlet, including storm sewers and combined sewer overflow,
into a watercourse, pond, ditch, lake, or other body of surface water
or groundwater.
NORMAL DOMESTIC STRENGTH WASTEWATER
Wastewater with concentrations of BOD no greater than 165
mg/l, suspended solids no greater than 214 mg/l, and total phosphorus
no greater than 4.2 mg/l.
OPERATION AND MAINTENANCE COSTS
Includes all costs associated with the operation and maintenance
of the wastewater collection and treatment facilities, as well as
the costs associated with periodic equipment replacement necessary
for maintaining capacity and performance of wastewater collection
and treatment facilities.
PARTS PER MILLION
Part per million shall be 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-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
Total phosphorus and is expressed in mg/l of 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 collection and treatment facilities to maintain the capacity
and performance for which such facilities were designed and constructed.
Operation and maintenance expenses include replacement costs.
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 ground-, storm-, and surface waters
that are not admitted intentionally.
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 SERVICE CHARGE
A service charge levied on users of the wastewater collection
and treatment facilities for payment of capital-related expenses,
as well as operating and maintenance costs of the facilities. (The
term "user charge," which covers operation and maintenance and replacement
costs, 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 system and 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,
Sewage and Industrial Wastes" published jointly by the American Public
Health Association, the American Water Works Association, and the
Federation of Sewage and Industrial Wastes Association.
STORM SEWER OR DRAIN
A drain or sewer for conveying water, groundwater, subsurface
water, or unpolluted water from any source.
SUSPENDED SOLIDS
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 for Examination of Water
and Wastewater, and that are referred to as nonfilterable residue.
UNIT CHARGE EQUIVALENT (UCE)
The average amount of wastewater discharged by a single-family
living unit. One UCE is assumed to equal 210 gallons per day computed
at three average per capita unit at 70 gallons per capita day with
pollutant concentrations of BOD no greater than 165 mg/l, suspended
solids no greater than 214 mg/l, and total phosphorus no greater than
4.2 mg/l.
UNPOLLUTED WATER
Is 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 and maintenance costs
of such facilities.
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 "waste
treatment."
WATERCOURSE
A natural or artificial channel for the passage of water,
either continuously or intermittently.
WISCONSIN POLLUTANT DISCHARGE ELIMINATION SYSTEM (WPDES) PERMIT
Is a document issued by the Wisconsin State Department of
Natural Resources which established effluent limitations and monitoring
requirements for the city's wastewater treatment facility. WPDES
Permit No. WI-0025411 and modifications thereof pertain to the city's
wastewater treatment facility.
[Adopted by the Commissioners of the Town of Sheboygan Sanitary
District No. 3 (Water) by 5-16-2022Ord. No. 05172022-2]
Metered rates to be applied.
Sanitary District 3 shall maintain the rate schedule so that
it is self-sufficient to cover actual operating and maintenance costs.