Rohnert Park Municipal Code Ch. 13.12 Abbreviations and Definitions

Footnotes:

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Editor's note— Ord. No. 834, § 2, adopted Feb. 22, 2011, repealed Ch. 13.12, in its entirety and enacted new provisions to read as herein set out. Prior to this amendment, Ch. 13.12 pertained to Definitions. See Ordinance List and Disposition Table for derivation.

For purposes of this sewer use ordinance, the following abbreviations shall have the designated meanings:

AO—Administrative Order

BMP—Best Management Practices

BOD—Biochemical Oxygen Demand

BTEX—Benzene, Toluene, Ethylbenzene, Xylene

C°—Centigrade

CFR—Code of Federal Regulations

CIU—Categorical Industrial User

COD—Chemical Oxygen Demand

EPA—Environmental Protection Agency

F°—Fahrenheit

gpd—Gallons Per Day

MGD—Million Gallons per Day

mg/l—Milligrams per Liter

NOV—Notice of Violation

NPDES—National Pollutant Discharge Elimination System

O&M—Operations and Maintenance

POTW—Publicly Owned Treatment Works

RCRA—Resource Conservation and Recovery Act

SIC—Standard Industrial Classification

SIU—Significant Industrial User

SNC—Significant Non-Compliance

SWDA—Solid Waste Disposal Act

TDS—Total Dissolved Solids

TKN—Total Kjeldahl Nitrogen

TSS—Total Suspended Solids

TTO—Total Toxic Organics

USC—United States Code

(Ord. No. 834, § 2, 2-22-2011)

For the purposes of this sewer use ordinance, the following words and phrases shall have the meanings respectively ascribed to them in this Section:

(1) "Act" means Federal Water Pollution Control Act, also known as the Clean Water Act, 33 USC 1251, et seq., or as amended.

(2) "Administrator" means the appropriate Environmental Protection Agency (EPA) Regional Administrator (San Francisco EPA, Region IX).

(3) "Amalgam Separator" means a device that employs filtration, settlement, centrifugation, or ion exchange to remove amalgam and its metal constituents from a dental office vacuum system before it discharges to the sewer.

(4) "Amalgam Waste" means and includes any of the following without limitation: non-contact amalgam (amalgam scrap that has not been in contact with the patient); contact amalgam (including, but not limited to, extracted teeth containing amalgam); amalgam sludge captured by chair-side traps, vacuum pump filters, screens, and other amalgam trapping devices; used amalgam capsules; and leaking or unusable amalgam capsules.

(5) "Applicant" means a person or entity making an application for a permit that is an occupant and/or owner, or an occupant and/or owner's authorized representative of the premises to be served by the sewer for which a permit is required.

(6) "Approval authority" means the Program Director in a National Pollutant Discharge Elimination System (NPDES) state with an approved state pretreatment program.

(7) "Authorized Representative" of the applicant or user.

(a) If the applicant or user is a corporation:

(i) The president, secretary, treasurer, or a vice-president of the corporation in charge of a principal business function, or any other person who performs similar policy or decision-making functions for the corporation; or

(ii) The manager of one or more manufacturing, production, or operation facility employing more than 250 persons or having gross annual sales or expenditures exceeding $60 million (in fourth-quarter 2005 dollars), if authority to sign documents has been assigned or delegated to the manager in accordance with corporate procedures.

(b) If the applicant or user is a partnership, association, or sole proprietorship: an authorized representative shall mean a general partner or proprietor, respectively.

(c) If the applicant or user is a federal, state, or local governmental facility: an authorized representative shall mean a director or highest official appointed or designated to oversee the operation and performance of the activities of the government facility, or their designee.

(d) The individuals described in paragraphs (a) through (c) may designate another authorized representative if the authorization is in writing, the authorization specifies the individual or position responsible for the overall operation of the facility from which the discharge originates or having overall responsibility for environmental matters for the company, and the written authorization is submitted to the city's development services section.

(e) A user not falling within one of the above categories must designate as the authorized representative an individual responsible for the overall operation of the facility.

(8) "Average dry weather flow" (ADWF) means the mean daily volume of sewage during the period of time not influenced by rainfall.

(9) "Best available technology (BAT)" means the most efficient hardware, fixtures and systems as determined by the city engineer for reduction of the amount of wastewater volume or pollutants.

(10) "Best Management Practices" (BMP) means schedules of activities, prohibition of practices, maintenance procedures, and other management practices to prevent or reduce unintended discharges to the sanitary sewer system. BMPs include, but are not limited to, pretreatment requirements, operational procedures and practices, maintenance and repair of equipment, record keeping, containment to prevent spills or leaks, sludge or waste disposal, good housekeeping practices or diversion of water away from raw materials or chemical storage areas.

(11) "BOD" means biochemical oxygen demand as determined by the 5-day BOD in accordance with standards set forth in 40 CFR Part 136, or as amended.

(12) "Building" means any structure used or intended for supporting or sheltering any use or occupancy as determined by the city engineer.

(13) "Building sewer" means a sewer serving a specific building or property extending from two feet outside the building to either the street lateral or the private sewer. Often referred to as a building lateral.

(14) "Business" means all commercial uses, including but not limited to offices, merchandising and industrial uses.

(15) "Categorical pretreatment standards" means any regulation containing pollutant discharge limits promulgated by the EPA under Section 307(b) and (c) of the Clean Water Act applicable to industrial users.

(16) "Categorical User or Categorical Industrial User (CIU)" means all industrial users that are subject to categorical pretreatment standards under 40 CFR Part 403.6 and in any industry as defined in 40 CFR Parts 405-599, as amended.

(17) "City" means the City of Rohnert Park, Sonoma County, California.

(18) "City Engineer" means the city engineer for the city, or his or her designee.

(19) "City Manager" means the city manager for the city or his or her designee.

(20) "City sewer" means any public sewer located within an easement or public right-of-way that is maintained by the city.

(21) "City sewerage system" means the sewerage system that is maintained by the city.

(22) "City Standards" means the "City of Rohnert Park Manual of Standards, Details and Specifications, as may be amended from time to time, on file with the city engineer.

(23) "COD" means chemical oxygen demand as determined in accordance with standard analytical procedures.

(24) "Color" means the optical density at the visual wave length of maximum absorption, relative to distilled water. One hundred percent transmittance is equivalent to zero optical density.

(25) "Common interest development" means either:

(a) A development characterized by individual ownership of a condominium unit (for residential or nonresidential use), coupled with the shared ownership or right to use common areas and facilities, including a shared building sewer connection to the city sewer;

(b) Individual properties that share a building sewer connection to the city sewer through private agreements or easements, or

(c) A development or individual properties that own, use or are responsible for the maintenance of a private sewer.

(26) "Compliance Schedule" means a detailed time schedule of specific actions that a user is required to take to prevent or correct a violation of any prohibitions or limitations prescribed herein or any of the city's effluent limitations or pretreatment standards promulgated in accordance herewith.

(27) "Composite Sample" means the sample resulting from the combination of individual wastewater samples taken at selected intervals based on an increment of either flow proportional or time.

(28) "Connected" means a physical joinder of any plumbing or drainage system or fixture contained in any structure to the subregional sewer system.

(29) "Contamination" means an impairment of the quality of the waters of the state by waste to a degree that creates a hazard to the public health through poisoning or through the spread of disease.

(30) "Cooling Water" means the water discharged from any use such as air conditioning, cooling or refrigeration, or to which the only pollutant added is heat and other minor chemical constituents.

(31) "Cooling Water, Non-contact" means water used for cooling that does not come into direct contact with any raw material, intermediate product, waste product, or finished product.

(32) "Council" means the City Council of the City of Rohnert Park, Sonoma County, California.

(33) "Customer" means a person who is, or who has agreed to be, responsible for the payment of water or sewer service charges.

(34) "Discharger" is synonymous with "User."

(35) "Dissolved solids" means the residue upon evaporation of water after filtration in accordance with standards set forth in 40 CFR Part 136, or as amended, or any other test procedures approved by the Administrator. Dissolved solids are also termed total dissolved solids or "TDS."

(36) "Domestic Wastewater" Wastewater or sewage from restrooms and sanitary conveniences of domestic households and businesses originating from toilets, urinals, kitchens, bathrooms, showers, baths, basins and laundries and does not include industrial or agricultural wastewater.

(37) "Enforcement Response Plan" (ERP) means the mechanism for addressing applicable local, state, or federal violations. The ERP shall include a written description of each type of enforcement, when to administer it, and how the monitoring schedule is affected. In conjunction with the written description, there may be an ERP flow chart that maps out the path through the various levels of enforcement.

(38) "EPA" means the Environmental Protection Agency.

(39) "Existing Source" means any source of discharge, the construction or operation of which commenced prior to the publication by EPA of proposed categorical pretreatment standards under Section 307 (b) and (c) of the Act that will be applicable to such source if the standard is thereafter promulgated in accordance with Section 307 of the Act.

(40) "Federal Water Pollution Control Act of 1972" means Public Law 92-500, officially entitled the "Federal Water Pollution Control Act Amendments of 1972," or as amended, as well as guidelines, limitations, and standards promulgated by the Environmental Protection Agency.

(41) "Garbage" means solid wastes from the domestic and commercial preparation, cooking, and dispensing of food and from the handling, storage, and sale of food products.

(42) "Grab Sample" means a sample that is taken from a waste stream without regard to the flow in the waste stream and over a period of time not to exceed 15 minutes.

(43) "Holding Tank Waste" means any waste from holding tanks such as vessels, chemical toilets, campers, trailers, septic tanks, and vacuum-pump tank trucks.

(44) "Improvement" means that which is built or constructed, an edifice of any kind, or any piece of work artificially built up or composed of parts joined together in some definite manner. Improvement shall not include "building" as defined above and temporary on-site storm basins, but shall include the playing area of any non-enclosed sport facility or restricted sport field.

(45) "Indirect discharge" means the introduction of pollutants into a POTW from any nondomestic source regulated under Section 307(b), (c), or (d) of the Act.

(46) "Industrial cost recovery" means the portion of annual capital cost recovery allocable to industry and subject to federal industrial payback.

(47) "Industrial user" means a source of indirect discharge including SIUs and other industry. For purposes of federal industrial cost recovery and payback provisions, any user of a publicly owned treatment works identified in the U.S. "Standard Industrial Classification Manual, 1972," under the following divisions:

Users in these divisions may be excluded from the industrial user category if it is determined that they will introduce primarily segregated domestic wastes or wastes from sanitary conveniences.

(48) "Industrial wastewater" means the waterborne waste and waste water from any production, manufacturing or processing operation of whatever nature including institutional and commercial operations where water is used for the removal of significant quantities of wastes other than from human habitation of premises connected to the public sewers. Contents of chemical toilets, septic tanks, waste holding tanks and waste sumps shall be classified as industrial waste.

(49) "Infiltration" means water entering the sewer system through the ground.

(50) "Inflow" means water entering a sewer system from surface drainage and from clean cooling water from non-contact cooling systems.

(51) "Maximum Allowable Discharge Limit" means the maximum concentration of a pollutant allowed to be discharged at any time, determined from the analysis of any discrete or composite samples collected, independent of the industrial flow rate and the duration of the sampling event.

(52) "Interceptor" means a grease removal device designed to intercept, trap, or otherwise prevent grease, sand, flammable liquids, or other substances potentially harmful to the sewer system from entering the system.

(53) "Force Main Interceptor" means the portion of the City sewer that connects the city's terminal pump station to the subregional system's water recycling plant.

(54) "Interference" means a discharge which, alone or in conjunction with a discharge or discharges from other sources, both:

(a) Inhibits or disrupts the POTW, its treatment processes or operations, or its sludge processes, use, or disposal; and

(b) Causes a violation of any requirement of the POTW's NPDES permit (including an increase in the magnitude or duration of a violation) or prevents sludge use or disposal in compliance with statutory provisions, regulations or permits issued thereunder (or more stringent state or local regulations) including without limitation: Section 405 of the Act; the Solid Waste Disposal Act (SWDA), the Resource Conservation and Recovery Act (RCRA), and including regulations contained in any State sludge management plan prepared pursuant to Subtitle D of the SWDA; the Clean Air Act; the Toxic Substances Control Act; and the Marine Protection, Research and Sanctuaries Act.

(55) "Local Limits" means the technically and/or literature-based limits, expressed either as concentration or as mass, of those pollutants.

(56) "Lot" means any premises, piece or parcel of land or property as bounded, defined or shown upon a map, plat or deed recorded in the office of the County Recorder. However, in the event any building or improvements appurtenant to said building cover more area than a "lot", as defined above, the term "lot" shall be deemed to be and include all such pieces or parcels of land upon which said buildings or improvements are wholly or partly located.

(57) "Medical Waste" means isolation wastes, infectious agents, human blood and blood products, pathological wastes, sharps, body parts, contaminated bedding, surgical wastes, potentially contaminated laboratory wastes, and dialysis wastes.

(58) "National Pretreatment Standard" or "National Categorical Pretreatment Standard" means any regulation containing pollutant discharge limits promulgated by the EPA in accordance with Section 307 (b) and (c) of the Act, which applies to industrial users. This term includes prohibitive discharge limits established pursuant to 40 CFR, Part 403.5.

(59) "Natural outlet" means any outlet into a watercourse, ditch, pond, lake, or other body of surface or groundwater.

(60) "New source" means:

(a) Any building, structure, facility, or installation from which there is or may be a discharge of pollutants, the construction of which commenced after the publication of proposed pretreatment standards under 307(c) of the Act, which will be applicable to such source if such standards are thereafter promulgated in accordance with that section, provided that:

(i) The building, structure, facility or installation is constructed at a site or on a lot at which no other source is located;

(ii) The building, structure, facility or installation totally replaces the process or production equipment that causes the discharge of pollutants at an existing source; or

(iii) The production or wastewater generating processes of the building, structure, facility or installation are substantially independent of an existing source at the same site or lot. The city engineer shall determine whether the production or wastewater generating processes are substantially independent, taking into account these factors as the extent to which the new facility is integrated with the existing plant, and the extent to which the new facility is engaged in the same general type of activity as the existing source, or

(b) Construction on a site at which an existing source is located resulting in a modification of said source if the construction does not create a new building, structure, facility or installation but otherwise alters, replaces, or adds to existing process or production equipment.

(c) Construction of a new source as defined under this paragraph has commenced if the applicant, user or customer has either:

(i) Begun, or caused to begin as part of a continuous on-site construction program:

1. Any placement, assembly, or installation of facilities or equipment; or

2. Significant site preparation work including clearing, excavation, or removal of existing buildings, structures, or facilities which is necessary for the placement, assembly, or installation of new source facilities or equipment; or

(ii) Entered into a binding contractual obligation for the purchase of facilities or equipment which is intended to be used in its operation within a reasonable time. Options to purchase or contracts which can be terminated or modified without substantial loss, and contracts for feasibility, engineering, and design studies do not constitute a contractual obligation under this subsection.

(61) "Nonresidential users" includes those whose premises are used primarily for commercial, governmental, or other nonresidential activities but excludes those whose premises are used for industrial activities.

(62) "NPDES permit" means National Pollutant Discharge Elimination System Permit issued to a POTW pursuant to Section 402 of the Act.

(63) "Nuisance" means any condition caused, maintained or permitted to exist which constitutes a threat to public health, safety, and welfare that is injurious to the senses or that significantly obstructs, injures or interferes with the reasonable or free use of property in a neighborhood, community or to any considerable number of persons. A public nuisance also has the same meaning as set forth under the California Civil Code.

(64) "Pass-through" means any discharge which exits the POTW into waters of the United States in quantities or concentrations which, alone or in conjunction with a discharge or discharges from other sources, is a cause of a violation of any requirement of the POTW's NPDES permit or waste discharge requirements, including an increase in the magnitude or duration of a violation.

(65) "Peak wet weather flow" (PWWF) means peak rate of flow occurring during or from the effects of precipitation.

(66) "Person" means any individual, partnership, co-partnership, firm, company, corporation, association, joint stock company, trust, estate, governmental entity, or any other legal entity; or the legal representatives, agents, or assigns of such entities. Person includes all federal, state, and local governmental entities.

(67) "pH" means the logarithm of the reciprocal of the hydrogen-ion concentration and indicates the measure of acidity or alkalinity.

(68) "Pollutant" includes but is not limited to dredge soil, solid waste, incinerator residue, filter backwash, sewage, garbage, sewage sludge, munitions, medical wastes, chemical wastes, biological materials, radioactive materials, heat, wrecked or discarded equipment, rock, sand, cellar dirt, municipal, agricultural and industrial wastes, and certain characteristics of wastewater (e.g., pH, temperature, TDS, TSS, turbidity, color, BOD, COD, toxicity, or odor) as well as any other referenced pollutants in 40 CFR or as amended.

(69) "Pollution" means an alteration of the quality of the waters of the state by waste to a degree that unreasonably affects such waters for beneficial use or facilities which serve such beneficial uses.

(70) "Premises" means a parcel of real property, or portion thereof, including any improvement thereon, which is determined by the city engineer to be a single unit for the purposes of receiving, using, and paying for sewerage service.

(71) "Pretreatment" means the reduction of the amount of pollutants, the elimination of pollutants, or the alteration of the nature of pollutant properties in wastewater prior to or in lieu of discharging or otherwise introducing such pollutants into a POTW. The reduction or alteration may be obtained by physical, chemical, or biological processes, process changes or by other means, except as prohibited by 40 CFR Part 403.6 (d), or as amended.

(72) "Pretreatment requirements" means any substantive or procedural requirement related to pretreatment, other than a national pretreatment standard, imposed on an industrial user.

(73) "Pretreatment Standards" or "Standards" means discharge standards, categorical pretreatment standards, and local standards and limits.

(74) "Private Sewer" means a common sewer privately owned that connects one or more building sewers to the public sewer. A private sewer includes sewer main, manholes and all appurtenances.

(75) "Prohibited Discharge Standards" or "Prohibited Discharges" means prohibitions against the discharge of certain substances.

(76) "Public agency" means any of the following: the United States Government or any department or agency thereof; the State of California or any department or agency thereof; any city, county, town, or any department or agencies thereof; any school district; any other governmental or public district or entity; or any other legal public district, entity or entities; or any combination of the foregoing.

(77) "Publicly owned treatment works" (POTW) means a treatment works as defined by Section 212 of the Act that is owned and/or operated by a state or municipality. This includes any devices and systems used in the collection, storage, treatment, recycling, and reclamation of the municipal sewage or industrial wastewater of a liquid nature. It also includes sewers, pipes, and other conveyances if they convey wastewater to a POTW treatment plant.

(78) "Public Sewer" means the common sewer directly controlled and owned by a public authority.

(79) "Regional Water Quality Control Board" means the California Regional Water Quality Control Board, North Coastal Region, which has jurisdiction in the Rohnert Park area.

(80) "Residential user" means users whose premises are primarily for residential purposes and have no significant producing or processing activity of a commercial or industrial nature.

(81) "Sanitary sewer" means the same as sewer.

(82) " Seasonal flow" is defined as an industrial wastewater discharge during any 15 day period during which the average volume and/or strength of any regulated wastewater characteristic exceeds the respective yearly averages by 50%.

(83) "Septic Tank Waste" means any sewage from holding tanks such as vessels, chemical toilets, campers, trailers, and septic tanks. (See Holding Tank Waste.)

(84) "Sewage" means the water-borne wastes received from human habitation and use of premises for residential, business, institutional, commercial and industrial purposes.

(85) "Sewer" means a pipe or conduit that carries sewage and/or industrial wastes and to which storm, surface, and groundwaters are not intentionally admitted. Unless otherwise qualified, the word "sewer," when used in Chapters 13.08 through 13.52, shall be taken to mean "sanitary sewer."

(86) "Sewer lateral" means the same as "Sewer service lateral."

(87) "Sewer main" means the portion of the sewer that collects and conveys flow from the sewer laterals to the city's terminal pump station. A sewer main can be a " public sewer" or a "private sewer."

(88) "Sewer service charges" means fees, rolls, rates, rentals, or other charges for services and facilities furnished by the city in connection with the sanitation or sewage system. They shall include user charges and industrial cost recovery charges as defined under U.S. Public Law 92-500.

(89) "Sewer service lateral" means that portion of the sewer system that connects the user's premises to the public sewer or a private sewer. This includes the building sewer and the street lateral.

(90) "Sewer or sanitary overflow" means any overflow, spill, release, discharge or diversion of untreated or partially treated wastewater that may or may not reach water of the United States or that may or may not cause wastewater backups into buildings or onto private property.

(91) "Sewer system" or "Sewerage system" means all works for collecting, pumping, treating, disposing, storing, and reclaiming sewage.

(92) "Significant industrial user" (SIU) means a user subject to categorical pretreatment standards under 40 CFR Part 403.6 and in any industry as defined in 40 CFR Parts 405-471 or a user that:

(a) Discharges an average of 25,000 gpd or more of process wastewater to the POTW (excluding sanitary, non-contact cooling, and boiler blowdown wastewater);

(b) Contributes a process wastestream that makes up five percent or more of the average dry weather hydraulic or organic capacity of the POTW; or

(c) Is designated as such by the City Engineer on the basis that it has a reasonable potential for adversely affecting the POTW's operation or for violating any pretreatment standard or requirement (in accordance with 40 CFR Part 403.8(f)(6)).

(93) "Sludge" means a primarily organic solid product produced by wastewater treatment processes that can be beneficially recycled.

(94) "Slug Discharge" or "Slug" means a discharge capable of causing adverse impacts to the city, its workers, or the environment, or any pollutant including an oxygen-demanding pollutant released in a discharge at a flow rate and/or pollutant concentration that may cause interference with the operation of the city sewer system. This includes, but is not limited to, any discharge of water, sewage, or industrial waste, which in concentration of any given constituent or in quantity of flow exceeds for any period of duration longer than fifteen minutes, more than five times the average twenty-four-hour concentration or flow rate during normal operation. A slug discharge is considered to be a discharge of a non-routine, episodic nature, including, but not limited to, an accidental spill or a non-customary batch discharge. Batch discharges are intentional, controllable discharges that occur periodically within an industrial user's process (typically the result of a non-continuous process). Accidental spills are unintentional, largely uncontrolled discharges that may result from leaks or spills of storage containers or manufacturing processes in an area with access to floor drains.

(95) "Standard analytical procedures" means procedures contained in the latest editions of "Standard Methods for the Examination of Water and Wastewater" (American Public Health Association), in American Society of Testing and Materials (ASTM) standard and tentative methods, EPA 40 CFR 136, and other standard procedures appropriate to the conditions as set forth or approved by the EPA.

(96) "Standard Industrial Classification or SIC" means a classification pursuant to the latest published edition of the Standard Industrial Classification Manual issued by the Executive Office of the President, Office of Management and Budget used to promote the comparability of industries.

(97) "State" means the state of California.

(98) "Street lateral" means the portion of the City sewer that connects the sewer main to the building sewer at the property line.

(99) "Subregional system" means the Santa Rosa Subregional Water Reclamation System service area, a POTW, which includes the Cities of Santa Rosa, Rohnert Park, Sebastopol, Cotati, and the Sonoma County South Park Sanitation District.

(100) "Suspended solids" (SS) means the total suspended matter that floats on the surface of, or is suspended in, water, wastewater, or other liquid, and which is removable by laboratory filtering per standards set forth in 40 CFR Part 136 or any other test procedure approved by the Administrator or City Engineer.

(101) "Television Inspection" means an inspection with a television camera that allows viewing of the inside main or lateral and recording of the images in accordance with city standards.

(102) "Total Dissolved Solids (TDS)" means the residue upon evaporation of water after filtration. Standards for analysis are set forth in 40 CFR Part 136.

(103) "Total Kjeldahl Nitrogen (TKN)" means ammonia as nitrogen, as measured by the Kjeldahl method. Standards for analysis are set forth in 40 CFR Part 136.

(104) "Toxic Pollutant" means one of the pollutants or combinations of pollutants listed as toxic under Section 307 of the Act.

(105) "Trade secret" means a method or process, not patented, but known only to persons using it in producing an article of trade or a service having commercial value.

(106) "User" means any person who is owner of record, lessee, sublessee, mortgagee in possession, or responsible for property having a connection to a city sewer or for processes that contribute sewage or industrial wastewater to a city sewer. See also "industrial user."

(107) "User agency" means a public agency which by agreement with the city is served by and acquires a capacity service in the city sewerage system.

(108) "Waste" includes sewage and any and all other waste substances, liquid, solid, gaseous, or radioactive associated with human habitation, or of human or animal origin, or from any producing, manufacturing or processing operation of whatever nature. See also "industrial wastewater."

(109) "Waste Hauler" means persons who haul wastewater from a domestic, commercial, industrial, or other origin as approved by the city engineer to the POTW. Domestic sources include chemical toilets, campers, trailers, septic tanks, or cesspools.

(110) "Wastewater" means the liquid and water-carried industrial wastewater, or sewage from residential dwellings, commercial buildings, industrial and manufacturing facilities, and institutions, whether treated or untreated, which is contributed to the city sewer system.

(111) "Wastewater Discharge Permit" means the written permit or mechanism by which new or increased contributions of pollutants, or changes in the nature of pollutants, to the subregional system by industrial users, may be controlled to ensure compliance with applicable pretreatment standards, pretreatment requirements, or city local limits.

(112) "Wastewater Treatment Plant or Treatment Plant" means that portion of the POTW that is designed to provide treatment of municipal sewage and industrial wastewater.

(113) "Water quality requirements" means requirements for City's treatment plant effluent or that of the Santa Rosa subregional system upon connection thereto as established by the National Pollutant Discharge Elimination System permit, or by state or federal regulatory agencies for the protection of receiving water quality. Water quality requirements include effluent limitations and waste discharge standards, limitations, or prohibitions that may be established or adopted from time to time by state or federal laws or regulatory agencies.

(114) "Waters of the State" or "Receiving Waters" means all streams, lakes, ponds, marshes, watercourses, waterways, wells, springs, reservoirs, aquifers, irrigation systems, drainage systems, and all other bodies or accumulations of water, surface or underground, natural or artificial, public or private, which are contained within, flow through, or border upon the state or any portion thereof.

(Ord. No. 834, § 2, 2-22-2011)