[Amended at time of adoption of Code (see Ch. 1, General Provisions, Art. III)]
The following words, terms and phrases, when used in this Part
3, shall have the meanings ascribed to them in this section, except where the context clearly indicates a different meaning:
30-DAY AVERAGE CONCENTRATIONMeans, for other than fecal or total coliform bacteria, the sum of the concentrations of the individual samples divided by the number of samples taken during a calendar month. The 30-day average concentration for fecal or total coliform bacteria is the geometric mean of the samples collected in a calendar month.
ACTMeans the Federal Water Pollution Control Act, as amended (Pub. L. 92-500, 86 Stat. 816 et seq., 33 U.S.C. § 1251 et seq.). Specific reference to sections within the Act will be according to Pub. L. 92-500 notation.
ADMINISTRATORMeans the administrator of the Environmental Protection Agency or any employee of the agency to whom the administrator may by order delegate the authority to carry out his functions, or any person who shall by operation of law be authorized to carry out such functions.
ANALYTICAL METHODOLOGYMeans the "Guidelines Establishing Test Procedures for the Analysis of Pollutants," 40 CFR 136, as amended, or procedure described in §
390-60D, Wastewater analysis.
BOD or BIOCHEMICAL OXYGEN DEMANDShall mean the quantity of oxygen utilized in the biochemical oxidation of organic matter under standard laboratory procedures in five days at 20° C., expressed in milligrams per liter.
BUILDING DRAINMeans 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.
CLASS OF USERSMeans the division of sanitary sewer dischargers into classes by similar process or discharge flow characteristics as follows:
A. DOMESTIC USERA user that discharges only segregated domestic wastes or wastes from sanitary conveniences.
B. MAJOR USERAny nondomestic user that discharges more than 25,000 gallons per average workday to the public sewer or the POTW.
CODMeans the total demand or quantity of oxygen required by the sewage as specified in the current edition of "Standard Methods for the Examination of Water and Wastewater" expressed in milligrams per liter.
COLLECTION SYSTEMMeans all of the common sanitary sewers of a Township that are primarily installed to receive wastewater directly from point sources, for transmission to the POTW.
CONSTRUCTIONMeans any placement, assembly, or installation of facilities or equipment (including contractual obligations to purchase such facilities or equipment) at the premises where such equipment will be used, including preparation work at such premises.
CONTRACTEEMeans a party to a service agreement with the DWP Board.
COUNTYMeans the County of Muskegon, Michigan.
COUNTY DIRECTORMeans the director of the wastewater management system of the county or the authorized deputy, agent or representative, as appointed by the County Board of Public Works.
DAILY AVERAGEMeans the sum of the concentrations of a constituent for the measurement period divided by the number of days in such period.
DIRECTOR/SUPERINTENDENTMeans the person designated by the Township or its authorized agency to exercise control over its municipal sewers and the collection and transmission system.
DPW BOARDMeans the Board of Public Works of the county.
EFFLUENT LIMITATIONMeans any restriction promulgated by federal, state or local government on quantities, rates and concentrations of chemical, physical, biological or other constituents that are discharged from point sources into navigable waters.
EFFLUENT STANDARDMeans any restriction established pursuant to this Part
3 on quantities, rates and concentrations of chemical, physical, biological or other constituents that are discharged to the public sewer or the POTW.
EXISTING SOURCEMeans any source that is not a new source as defined in this section.
FCPSMeans federal categorical pretreatment standard.
GARBAGEMeans solid wastes from domestic and commercial preparation, cooking and dispensing of food, and from the handling, storage and sale of produce.
INDUSTRIAL WASTESMeans the liquid or gaseous wastes resulting from industrial or manufacturing processes, trade or business or from the development, recovery or processing of resources or containers as distinct from segregated domestic strength wastes and wastes from sanitary conveniences.
INFILTRATIONMeans any waters entering the system from the ground through such means as, but not limited to, defective pipes, pipe joints, connection or manhole walls, but shall not include, and is distinguished from "inflow."
INFLOWMeans any water entering the system through such sources as, but not limited to, building downspouts, footing or yard drains, cooling water discharges, seepage lines from springs and swampy areas, and storm drain cross connections.
INSPECTORMeans any person or persons authorized by the Township to inspect and approve the installation of building sewers and their connection to the public sewer system.
INTERFERENCEMeans inhibition or disruption of the public sewer or the POTW sewer system or the POTW's treatment processes or operation which causes or significantly contributes to a violation of any requirement of the POTW's NPDES permits. The term also includes prevention of sewage sludge use or disposal by the POTW in accordance with published promulgated regulations under Section 405 of the Act or any regulations promulgated pursuant to the Solid Waste Disposal Act (42 U.S.C. § 6901 et seq.), the Clean Air Act (42 U.S.C. § 7401 et seq.), the Toxic Substances Control Act (15 U.S.C. § 2601 et seq.), or more stringent state promulgated rules (including those contained in any state sludge management plan prepared pursuant to Title IV of said Solid Waste Disposal Act) applicable to the method of disposal or use employed by the POTW. Pollutants in the effluent of a user shall not be considered to cause interference where the user is in compliance with specific prohibitions, standards, effluent standards or effluent limitations developed by the federal government, the state, local government or the POTW. Where the user is in compliance with such specific prohibitions, standards or limitations, and pollutants in the sewage from the user nevertheless caused or significantly contributed to a violation of any requirement of the POTW's NPDES permits, and are likely to cause such a violation in the future, the POTW must take appropriate action under 40 CFR 403.5(c).
MDNRMeans the Department of Natural Resources of the State of Michigan or its successor.
MANUFACTURERMeans any establishment engaged in the mechanical, physical or chemical transformation of materials or substances into new products including, but not limited to, the blending of materials such as pesticide products, resins, or liquors.
mg/lMeans milligrams per liter.
NATURAL OUTLETMeans any outlet into a watercourse, pond, ditch, lake or other body of surface water or groundwater.
NEW SOURCEMeans any source, the construction of which is commenced after the publication of proposed regulations prescribing a categorical pretreatment standard under Section 307(c) of the Act which will be applicable to such source, if such standard is thereafter promulgated within 120 days of proposal in the federal register. Where the standard is promulgated later than 120 days after proposal, a new source means any source, the construction of which is commenced after the date of promulgation of the standard.
NORMAL STRENGTH SEWAGEMeans a sanitary wastewater flow containing an average daily BOD of not more than 250 mg/l or an average daily concentration of not more than 250 mg/l, and phosphorus of not more than 10 mg/l.
NPDES PERMITMeans a permit issued pursuant to the national pollution discharge elimination system for the discharge of wastewater into the waters of the state.
ORGANIC CHEMICALSMeans compounds composed of carbon and hydrogen or their derivatives which are man-made or by-products of man-made or natural substances which include, but are not limited to, synthetic fibers, plastics, rubber, medicinals, solvents, surface-active agents, pesticides, and other agricultural chemicals and lubricating oil additives or other petroleum derivatives.
PERSONMeans any individual, firm, company, association, society, corporation, partnership or group, and including a contractee.
pHMeans the negative logarithm of the concentration of hydrogen ions in grams per liter of solution.
POTWMeans the treatment works, as defined by Section 212 of the Act, which are owned by the county. The term also means the DWP Board or its authorized representative.
PRETREATMENTMeans the reduction of the amount of pollutants, the elimination of pollutants, or the alteration of the nature of pollutant properties in sewage to a less harmful state prior to or in lieu of discharging or otherwise introducing such pollutants into the public sewer or the POTW. The reduction or alteration can be obtained by physical, chemical or biological processes, process changes or by other means, except as prohibited by 40 CFR 403.6(d) and (e) as amended.
PROCESS WASTESMeans liquid or water-carried wastes which are inherent to or resulting from any manufacturing operation, including that which comes into direct contact with or results from the production or use of any raw material, intermediate product, finished product, by-product or waste product, or results from cleaning operations.
REPLACEMENTMeans expenditures for obtaining and installing equipment, accessories or appurtenances that are necessary to maintain the capacity and performance during the service life of the treatment works for which such works were designed and constructed.
SANITARY SEWAGEMeans the liquid, gaseous or water-carried waste discharged from sanitary conveniences.
SEWAGEMeans a combination of water-carried liquid and gaseous wastes from any source, including domestic and nondomestic, as well as groundwater, surface water and stormwater as may be present.
SEWERMeans a pipe or conduit that carries wastewater or drainage water. See the following definitions modifying sewer:
A. BUILDING SEWERThe extension from the building drain to a lateral sewer, private sewer, public sewer or other place of disposal.
B. COMBINED SEWERA sewer intended to receive both wastewater and stormwater or surface water.
C. COMMON SEWERA sewer in which all owners of abutting properties have equal rights.
E. INTERCEPTING SEWERA sewer that receives dry-weather flow from a number of transverse sewers or outlets and frequently additional predetermined quantities of stormwater (if from a combined system), and conducts such water to a point for treatment or disposal.
G. PRIVATE SEWERThat section of a sewer owned by a nondomestic user which connects that user to the public sewer and which typically extends from such point of connection upstream to the user's lateral sewers or to a lift station or other outlet owned by the user.
H. PUBLIC SEWERA common sewer controlled by a governmental agency or public utility.
I. SANITARY SEWERA sewer that carries liquid and water-carried wastes from residences, commercial buildings, industrial plants, and institutions, together with minor quantities of groundwaters, stormwaters, and surface waters that are not admitted intentionally.
J. STORM SEWERA sewer that carries stormwater and surface water, street wash and other wash waters, or drainage, but excludes domestic wastewater and industrial wastewater. Also called storm drain.
K. TRUNK SEWERA sewer that connects the lateral sewer to the intercepting sewer and to which building sewers may be connected.
SLUG or SHOCKLOADMeans any discharge of sewage or industrial waste that, in concentration of any given constituent or in quantity of flow causes interference.
SOURCEMeans any building, structure, facility, vehicle or installation from which there is or may be the discharge to the public sewer or the POTW.
STATE DIRECTORMeans the executive secretary of the water resources commission of the state of Michigan.
SUSPENDED SOLIDS (SS)Means solids that either float on the surface of, or in suspension in, sewage and which can be removed by the procedures specified in the current edition of "Standard Methods for the Examination of Water and Wastewater."
TOWNSHIPMeans a city, village, Township or other public body (excluding the county of Muskegon) created under state law, having jurisdiction over disposal of sewage, industrial waste or other waste.
USEPAMeans the United States Environmental Protection Agency or its successor.
USERMeans a source (including a Section 307 source) and the Township whose collection system discharges into the POTW.
WASTE COMPONENTMeans any constituent of sewage other than water, including, but not limited to BOD, SS, other soluble and insoluble matter and phosphate concentrates.
WORKING DAYMeans the hours during a calendar day in which a user discharges effluents subject to this Part
3.
WRCMeans the water resources commission of the state or its successor.