As used in this article, the following terms shall have the meanings indicated. "Shall" is mandatory; "may" is permissible.
APPROVING AUTHORITYThe Director of Public Works or his duly authorized representatives.
[Amended 7-18-2023 by Ord. No. 2023-14]
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 procedures set forth in Standard Methods.
BUILDING DRAINThat 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.
BUILDING SEWERA sanitary sewer which begins immediately outside of the foundation wall of any building or structure being served and ends at its connection to the public sewer.
BUSINESS OPERATORThe natural or legal person who owns, leases, or operates as franchisee an enterprise or organization and is responsible for ensuring that the requirements of law are met within the business under his control, whether such business is for profit or not, whether public or private, commercial, industrial or institutional, retail or wholesale, and whether such business relates to any activities or stage of preparation, production, processing, handling, distribution, storage or sale of goods or services.
CATEGORY "A"Those sanitary sewer users who discharge normal domestic strength wastewater with concentrations of BOD, suspended solids and phosphorus no greater than those listed in §
342-11C, Category B sewer service charge.
CATEGORY "B"Those sanitary sewer users who discharge wastewater with concentrations of BOD, suspended solids and phosphorus in excess of those listed in §
342-11C, Category B sewer service charge. Users whose wastewater exceeds the concentrations for any one of these parameters shall be in Category "B."
CATEGORY "C"Those discharges of septic and holding tanks wastes with concentrations of BOD, suspended solids and phosphorus in excess of those listed in §
342-11C, Category B sewer service charge. Discharges of septic and holding tank wastes that exceed the concentrations for any one of these parameters shall be in Category "C."
CHLORINE REQUIREMENTThe amount of chlorine, in mg/l, which must be added to sewage to produce a residual chlorine as specified in the Wisconsin Pollutant Discharge Elimination System (WPDES) permit.
CITYThe City of Port Washington.
COMBINED SEWERA sewer intended to receive both wastewater and stormwater, clear water or surface water.
COMMERCIAL WASTEShall have the same meaning as "industrial waste" as defined in this section.
COMPATIBLE POLLUTANTSBOD, suspended solids, phosphorus and phosphorus compounds, nitrogen and nitrogen compounds, pH, or fecal coliform bacteria, plus additional pollutants identified in the municipality's WPDES permit for its wastewater treatment facility, provided that such facility is designed to treat such additional pollutants and, in fact, does remove such pollutants to a substantial degree.
EASEMENTAn acquired legal right for the specified use of land owned by others.
EXCESSIVEIn such magnitude that, in the judgment of the Superintendent, it will cause damage to any facility, will be harmful to the wastewater treatment plant unless treated to the degree required to meet the requirements of the Federal Water Pollution Control Act, can otherwise endanger life, limb or public property, and/or can constitute a public nuisance.
FATA solid or liquid water-soluble substance that belongs to a group of chemicals, i.e., esters of glycerol and fatty acids, which are main constituents of food derived from animals or plants.
FLOATABLE OILOil, 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.
GARBAGEThe putrescible organic solid wastes from the domestic and commercial preparation, cooking and dispensing of food and from the handling, storage and sale of meat, fish, fowl, fruit, vegetables, and condemned food.
GROUND GARBAGEThe residue from the preparation, cooking, dispensing, handling, storage, and sale of food products and produce 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.
INDUSTRIAL WASTEAny solid, liquid, or gaseous substance discharged, permitted to flow or escaping from any industrial, manufacturing or commercial establishment. Such term includes any wastewater that is not sanitary sewage.
INTERCEPTOR or TRAPA device designed and installed so as to separate and retain deleterious, hazardous or undesirable matter from wastes flowing through it to prevent such matter from reaching a public sewer. It includes, but is not limited to, oil interceptors, sand interceptors and grease interceptors as defined in the Wisconsin Administrative Code.
MAJOR INDUSTRIAL USERAny sanitary sewer discharger who uses more than 10,000 gallons of metered water usage on any given day.
NATURAL OUTLETAny outlet, including storm sewers and combined sewer overflows, into a watercourse, pond, ditch, lake or other body of surface water or groundwater.
OIL AND GREASEIncludes fats, wax, grease, petroleum oil, nonbiodegradable cutting oil or products of mineral oil origin, whether emulsified or not.
OPERATION AND MAINTENANCE COSTSIncludes all costs associated with the operation and maintenance of the wastewater collection and treatment facilities, including administration and replacement costs, all as determined from time to time by the municipality.
PERSONAny and all persons, including any individual, firm, company, municipal or private corporation, association, society, institution, enterprise, governmental agency, or other entity.
pHThe logarithm (base 10) of the reciprocal of the hydrogen-ion concentration expressed in grams per liter of solution.
PHOSPHORUSTotal phosphorus, which is all of the chemical element phosphorus present in a sample, regardless of form, expressed in mg/l of P phosphorus. Quantitative determination of phosphorus shall be made in accordance with procedures set forth in Standard Methods.
PLUMBING SYSTEMIncludes the water supply system, the drain system, the vent system, plumbing fixtures, plumbing appliances and plumbing appurtenances that serve a building, structure or premises.
PUBLIC SEWERAny publicly owned sewer, storm drain, sanitary sewer or combined sewer.
RECEIVING WATERSAny watercourse, river, pond, ditch, lake, aquifer or other body of surface or subsurface water receiving discharge of sewage.
REPLACEMENT COSTSExpenditures 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. Operation and maintenance costs include replacement costs.
SANDA sedimentary material consisting of fine loose grains of rock or minerals, e.g., quartz fragments, usually found on beaches, deserts and in soil, sometimes used as building material or for industrial or other purposes.
SANITARY SEWAGEA combination of liquid and water-carried wastes discharged from toilets and/or sanitary plumbing facilities, together with such groundwater, surface water, and stormwater as may have inadvertently entered the sewage system.
SANITARY SEWERA sewer that carries sewage or industrial wastes or a combination of both and into which stormwater, surface water, and groundwater or unpolluted industrial wastes are not intentionally admitted.
SEPTAGEScum, liquid, sludge or other waste from a septic tank, soil absorption field, holding tank, vault toilet or privy. This does not include waste from a grease trap.
SEWAGE (also referred to as "wastewater")A combination of the water-carried wastes from residences, business buildings, institutions and industrial establishments, together with such groundwater, surface water, and stormwater as may be present.
SEWERA pipe or conduit that carries sewage or any other waste liquids, including stormwater, surface water, and groundwater drainage.
SEWERAGEThe system of sewers and appurtenances for the collection, transportation and pumping of sewage and industrial wastes.
SEWER SERVICE CHARGEA charge levied on users of the wastewater collection and treatment facilities for payment of operation and maintenance expenses, debt service costs, and other expenses or obligations of said facilities.
SLUGAny discharge of sewage or industrial waste which in concentration of any given constituent exceeds more than five times the average twenty-four-hour concentration during normal operation, or the discharge of any volume of liquid waste which exceeds in quantity of flow for a period of 15 minutes or more the normal twenty-four-hour average discharge. It shall also include discharges that adversely affect the wastewater collection system and/or performance of the wastewater treatment facility.
STANDARD METHODSThe 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 LATERALThe connection to provide or convey storm groundwater, surface water or unpolluted water from a structure or lot to a storm sewer.
STORM SEWER OR DRAINA drain or sewer for conveying stormwater, groundwater, surface water, clear water or any unpolluted water from any source, but excludes sewage and industrial wastes.
SUPERINTENDENTThe Wastewater Superintendent.
[Added at time of adoption of Code (see Ch. 1, General Provisions, Art. II)]
SUSPENDED SOLIDSSolids that either float on the surface of or are in suspension in water, sewage, or industrial waste and which are removable by laboratory filtering as prescribed in Standard Methods for the Examination of Water and Wastewater and referred to as "nonfilterable residue." Quantitative determination of suspended solids shall be made in accordance with procedures set forth in Standard Methods.
UNPOLLUTED WATERWater of quality equal to or better than the effluent of the wastewater treatment facilities 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.
WASTEWATERShall be synonymous with "sewage" and shall mean 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 FACILITYAn arrangement of devices and structures for treating wastewater and sludge. Also referred to as "wastewater treatment plant."
WISCONSIN POLLUTANT DISCHARGE ELIMINATION SYSTEM (WPDES) PERMITA 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-0020460-5 and modifications thereof apply to the municipal wastewater treatment facility.
[Amended at time of adoption of Code (see Ch. 1, General Provisions, Art. II)]