The meaning of terms used in this article shall be as follows:
ACT
The Federal Water Pollution Control Act (33 U.S.C. § 1251
et seq.), as amended by the Federal Water Pollution Control Act amendments
of 1972 (Pub. L. 92-500 and Pub. L. 93-243) or modified by Ch. 283,
Wis. Stats., or appropriate sections of the Wisconsin Administrative
Code adopted pursuant to Ch. 283, Wis. Stats.
BOD
The quantity of oxygen expressed in milligrams per liter
(mg/l) utilized in the biochemical oxidation of organic matter under
standard laboratory conditions for five days at a temperature of 20°
C. The laboratory determinations shall be made in accordance with
procedures set forth in Standard Methods.
CITY
The City of Marion or any authorized person acting on its
behalf.
COLLECTION SYSTEM
The system of sewers and appurtenances for the collection,
transportation and pumping of domestic wastewater and industrial waste.
DEBT RETIREMENT
The annual costs of principal and interest incurred by the
City on the wastewater treatment facility.
DEPRECIATION
Funds set aside annually for:
A.
Purchase and installation of new equipment or modifications
to existing facilities which will improve the operation and performance
of the wastewater treatment facilities or wastewater pumping stations.
B.
Purchase of trucks and heavy equipment needed for operation
and maintenance.
C.
Purchase of office and accounting equipment.
DOMESTIC WASTEWATER
Water-borne wastes normally being discharged from the sanitary
conveniences of dwellings, apartment houses, hotels, office buildings,
factories and institutions, free of industrial wastes and in which
the average concentration of suspended solids is established at or
below 250 mg/l and the BOD is established at or below 250 mg/l.
INDUSTRIAL COST RECOVERY
Recovery by the grantee (City) from the industrial users
of a wastewater works of the grant amount allocable to the treatment
of wastes from such users pursuant to Section 204(b) of the Act.
INDUSTRIAL USER
A.
Any nongovernmental, nonresidential user of publicly owned treatment
works which discharges more than the equivalent of 25,000 gallons
per day (gpd) of sanitary wastes and which is identified in the Standard
Industrial Classification Manual, 1972, Office of Management and Budget,
as amended and supplemented, under the following divisions:
(1)
Division A: Agriculture, Forestry and Fishing.
(3)
Division D: Manufacturing.
(4)
Division E: Transportation, Communications, Electric, Gas and
Sanitary Services.
B.
In determining the amount of a user's discharge for purposes
of industrial cost recovery, the grantee may exclude domestic wastes
for discharges from sanitary conveniences. After applying the sanitary
waste exclusion, dischargers in the above divisions that have a volume
exceeding 25,000 gpd or the weight of biochemical oxygen demand (BOD)
or suspended solids (SS) equivalent to that weight found in 25,000
gpd of sanitary waste are considered industrial users. Sanitary wastes,
for purposes of this calculation of equivalency, are the wastes discharged
from residential users.
C.
Any nongovernmental user of a publicly owned treatment works
which discharges wastewater to the treatment works which contains
toxic pollutants or poisonous solids, liquids or gases in sufficient
quantity, either singly or by interaction with other wastes, to contaminate
the sludge of any municipal systems or to injure or to interfere with
any sewage treatment process or which constitutes a hazard to humans
or animals, creates a public nuisance, or creates any hazard in or
has an adverse effect on the waters receiving any discharge from the
treatment works.
INDUSTRIAL WASTE
Any water-borne solids, liquids or gaseous wastes, other
than domestic wastewater, resulting from, discharging from, flowing
from or escaping from any commercial, industrial, manufacturing or
food processing operation or process or from the development of any
natural resource, or any mixture of these with water or domestic wastewater.
OPERATION AND MAINTENANCE COST
Expenditures made by the City in the operation and maintenance
of its wastewater treatment facilities and wastewater pumping stations
consisting of and limited to the actual sums spent for each and all
of the following purposes:
A.
Wages and salaries of operating, maintenance, clerical, laboratory
and supervisory personnel, together with fringe benefits and premiums
paid on such wages and salaries for the state workers' compensation
coverage and Public Employees Retirement Act benefits.
C.
Chemicals, fuel and other operating supplies.
D.
Repairs to and maintenance of the equipment associated therewith.
E.
Premiums for hazard insurance.
F.
Premiums for insurance providing coverage against liability
for the injury to persons and/or property.
H.
Operation, licensing and maintenance costs for trucks and heavy
equipment.
I.
Consultant and legal fees.
PERSON
Any and all persons, natural or artificial, including any
individual, firm, company, municipal or private corporation, association,
governmental agency or other entity and agents, servants or employees.
pH
The logarithm (base 10) of the reciprocal of the hydrogen
ion concentration expressed in moles per liter. It shall be determined
by one of the procedures outlined in Standard Methods.
REPLACEMENT
Expenditures for obtaining and installing equipment, accessories
and appurtenances which are necessary during the useful life of the
treatment works to maintain the capacity and performance for which
such works were designed and constructed.
SANITARY SEWER
A sewer that conveys domestic wastewater or industrial waste
or a combination of both and into which stormwater, surface water
and groundwater or unpolluted industrial wastewater is not intentionally
passed.
SLUG
A sudden increase in sewage discharge that may tend to overload
the receiving sewer.
STANDARD METHODS
The examination and analytical procedures set forth in the
latest edition of Standard Methods for the 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 Environment Federation.
STORM SEWER
A sewer which carries storm and surface drainage but excludes
domestic wastewater and industrial wastes.
SUPERINTENDENT
The superintendent of the wastewater treatment plant who
shall be in charge of and supervise the operations and functions of
the wastewater treatment plant.
SURCHARGE
An additional charge related to industrial wastes being discharged
by any user having unusual characteristics such as excessive BOD,
excessive suspended solids or other pollutants.
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 a laboratory
filtration device. Quantitative determination of suspended solids
shall be made in accordance with procedures set forth in Standard
Methods.
UNPOLLUTED WATER OR WASTEWATER
Water or waste containing none of the substances or characteristics defined under §
580-36, Prohibited discharges, and shall contain not more than 30 mg/l each of suspended solids and BOD.
USER
Any person discharging domestic wastewater or industrial
wastes into the collection system.
USER CHARGE
A charge levied on users of a wastewater works for the cost
of operation and maintenance (including replacement) of the wastewater
treatment facilities and wastewater pumping stations and local capital
costs, such as debt retirement, depreciation and previous year operating
debt.
USER CLASS
A group of users having similar wastewater flows and characteristics,
levels of BOD, suspended solids, etc.
WASTE
Any solid, liquid or gaseous material or combination thereof
discharged from any residences, business buildings, institutions and
industrial establishments into the collection system or storm sewer.
WASTEWATER
A combination of the water-carried waste discharged into
the collection system from residences, business buildings, institutions
and industrial establishments, together with such groundwater, surface
water and stormwater as may be present.
WASTEWATER TREATMENT FACILITIES
Any City-owned facility, devices and structures used for
receiving and treating wastewater from the City collection system.
WASTEWATER WORKS
All facilities for collecting, pumping, treating and disposing
of domestic wastewater and industrial wastes.
WPDES PERMIT
A permit to discharge pollutants obtained under the Wisconsin
Pollutant Discharge Elimination System (WPDES) pursuant to Ch. 283,
Wis. Stats.
Any person who accidentally discharges wastes or wastewater prohibited under §
580-36 into the wastewater works or storm sewer shall immediately report such discharge to the Superintendent.
Grease, oil and sand interceptors shall be provided at repair
garages, gasoline stations, car washes and other industrial or commercial
establishments for the proper handling of liquid wastes containing
grease in excessive amounts, oil, flammable wastes, sand and other
harmful ingredients. All interceptors shall be constructed in accordance
with the Wisconsin Plumbing Code and shall be located as to be readily
and easily accessible for easy cleaning and inspection. All grease,
oil and sand interceptors shall be maintained by the owner, at his
expense, in continuous, efficient operation at all times.
The City shall be permitted to gain access to such properties
as may be necessary for the purpose of inspection, observation, measurement,
sampling and testing, in accordance with provisions of this article.
When requested by the user furnishing a report or permit application
or questionnaire, the portions of the report or other document which
might disclose trade secrets and secret processes shall not be made
available for inspection by the public but shall be available for
use by the City or any state agency in judicial review or enforcement
proceedings involving the person furnishing the report.
No unauthorized person shall maliciously, willfully or negligently
break, damage, uncover, deface or tamper with any structure, appurtenance
or equipment which is part of the wastewater works.
Persons classified as industrial users, as defined in this article, and discharging wastes or wastewater other than domestic wastewater shall be charged an annual industrial cost recovery charge in addition to the user charge under §
580-46. Payment of the industrial cost recovery charge shall be established in the contractual agreement under §
580-42C(2) and in accordance with 40 CFR 35.928.
A. Definitions. As used in this section, the following terms shall have
the meanings indicated:
TOTAL GRANT AMOUNT
The amount received by the City for state and federal grant-in-aid
received after September 10, 1979.
B. The industrial cost recovery charge shall be calculated as follows:
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IU
IPU
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=
=
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1 (IGv IVu + IGb IBu + IGs ISu + IGp)
Industrial Cost (IVt IBt ISt IPt)
Recovery Period
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Where:
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IU
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=
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A user's charge for industrial cost recovery per unit of
time.
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IGv
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=
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That part of the total grant amount used for pumping and treatment
of wastewater volume.
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IVu
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=
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Total volume contribution from a user per unit of time.
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IVt
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=
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Total volume design capacity of treatment plant per unit of
time.
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IGb
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=
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That part of the total grant amount used for treatment of BOD.
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IBu
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=
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Total BOD contribution from a user per unit of time.
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IBt
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=
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Total BOD design capacity of treatment plant per unit of time.
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IGs
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=
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That part of the total grant amount used for treatment of suspended
solids.
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ISu
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=
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Total suspended solids contribution from a user per unit of
time.
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ISt
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=
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Total suspended solids design capacity of treatment plant per
unit of time.
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IGp
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=
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That part of the total grant used for treatment of any pollutant(s).
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IPU
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=
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Total contribution of any pollutant from a user per unit of
time.
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IPt
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=
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Total of any pollutant design capacity of treatment plant per
unit of time.
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IGu
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=
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That part of the total grant amount allocable to unused or unreserved
capacity.
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C. IGv, IGb, IGs, and IGp shall be mutually exclusive and shall not
include any portion of the total grant amount allocable to unused
or unreserved capacity, and the total grant amount shall equal the
sum of IGv + IGb + IGs + IGp + IGu.
D. A minimum of 80% of the retained amounts, together with interest
earned thereon, shall be used solely for the eligible costs of the
expansion or reconstruction of treatment works associated with the
project and necessary to meet the requirements of the Federal Water
Pollution Control Act.
E. The remainder of the retained amounts shall be used for operation
and maintenance of the wastewater treatment facility as the approving
authority sees fit and proper.