For the purpose of this chapter, the following definitions shall apply unless the context clearly indicates or requires a different meaning.
ACT or THE ACT. The Federal Water Pollution Control Act, known as the Clean Water Act, as amended, 33 U.S.C. §§ 1251 et. seq.
ADMINISTRATIVE ORDER. Enforceable order issued by a public authority, including, without limitation, the District, under conferred powers, to an individual or an organization to take certain corrective action or to refrain from an activity.
AUTHORIZED REPRESENTATIVE OF INDUSTRIAL USER.
(1) If the user is a corporation:
(a) 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
(b) The manager of one or more manufacturing, production or operating facilities, provided the manager is authorized to make management decisions that govern the operation of the regulated facility, including having the explicit or implicit duty of making major capital investment recommendations, and initiate and direct other comprehensive measures to assure long-term environmental compliance with environmental laws and regulations; can ensure that the necessary systems are established or actions taken to gather complete and accurate information for individual wastewater discharge permit or general permit requirements; and where authority to sign documents has been assigned or delegated to the manager in accordance with corporate procedures.
(2) If the user is a partnership or sole proprietorship: a general partner or proprietor, respectively.
(3) If the user is a federal, state or local governmental facility: a director or highest official appointed or designated to oversee the operation and performance of the activities of the government facility, or his or her designee.
(4) The individuals described in divisions (1) through (3) above may designate a duly 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 District.
BEST MANAGEMENT PRACTICES (BMPS). Schedules of activities, prohibitions of practices, maintenance or operating procedures and other management practices to implement prohibitions listed in 40 C.F.R. § 403.5(a)(1) and to prevent or reduce the pollution of “waters of the United States”. BMPs also include treatment requirements, operating procedures and practices to control plant site runoff, spillage or leaks; biosolids or waste disposal; or drainage from raw materials storage. BMPs may be proposed by an individual user and accepted by the District or, as set forth in this chapter, mandated and set by the District.
BIOCHEMICAL OXYGEN DEMAND (BOD). The quantity of oxygen utilized in the biochemical oxidation of organic matter under standard laboratory procedure, five days at 20°C usually expressed in terms of weight and concentration (milligrams per liter (mg/L)).
BOARD. The Board of Directors of the Carmel Area Wastewater District.
BYPASS. The intentional diversion of waste streams from any portion of a treatment facility.
CATEGORICAL PRETREATMENT STANDARDS or CATEGORICAL STANDARDS. Any regulation containing pollutant discharge limits promulgated by EPA in accordance with §§ 307(b) and (c) of the Act (33 U.S.C. § 1317) that apply to a specific category of users and that appear in 40 C.F.R. chapter I, subchapter N, parts 405-471.
CATEGORICAL USER or CATEGORICAL INDUSTRIAL USER. An industrial user subject to a categorical pretreatment standard or categorical standard.
CATEGORIES. See Appendix A for pretreatment categories.
CERLA. Comprehensive Environmental Response, Compensation and Liability Act (Superfund).
C.F.R. Code of Federal Regulations.
CHEMICAL OXYGEN DEMAND (COD). The measure of chemically decomposable material in domestic or industrial wastewaters as represented by the oxygen utilized as determined by the appropriate procedure described in the most recent edition of Standard Methods.
CLASS I - INDUSTRIAL USER. Any non-domestic user who requires a significantly greater level of administrative services and/or oversight by the District source control program than a class II user, based on the unusual character of the wastewater due to its volume, strength, composition or its derivation from a hazardous waste or substance, or the potential variability in the character of the wastewater, or on the potential for increased administrative cost to the District due to the unusual character of the waste.
CLASS II - INDUSTRIAL USER. Any non-domestic user of the District’s wastewater disposal system who:
(1) Has a discharge flow of 25,000 gallons or more per average work day;
(2) Contributes process wastewater which makes up 5% or more of the District treatment plant’s average dry weather hydraulic or organic capacity;
(3) Has in its wastes hazardous pollutants;
(4) Is subject to national pretreatment standards;
(5) Has in its untreated wastewater pollutants, which are in excess of any pretreatment standard or requirement, including any standard identified in this chapter, set by resolution of the Board of Directors; or
(6) May, in the opinion of the District, have a reasonable potential for adversely impacting, either singularly or in combination with other contributing industries, the District’s treatment plant or the ability of the District to meet the objectives of this chapter or for violating any pretreatment standard or requirement.
CLASS III - INDUSTRIAL USER.
(1) A non-domestic user who may, in the opinion of the District, have an impact on the District’s ability to meet the objectives of this chapter. This impact may be of a lesser degree than for a class II industrial user, due to the volume, characteristics or the nature of the process producing the waste. Any non-domestic user who generates hazardous waste, whether or not said waste is, in the normal course of the industrial process, discharged into the sanitary sewer system, may be considered a CLASS III INDUSTRIAL USER. A non-domestic user may be classified as a CLASS III INDUSTRIAL USER if any of the hazardous waste is being discharged into the sewer, or if, in the opinion of the District, there is a potential for this waste to be discharged into the sewer, even via accident in non-process or process of handling of the waste.
(2) This classification applies to, but is not limited to, those industrial users who are not designated as class I or class II users and who are required to have a county hazardous waste facility license.
(3) This CLASS III INDUSTRIAL USER category shall also include industrial users who store or use hazardous materials, whether or not a hazardous waste is produced in the industrial or commercial process . This classification also applies to those industrial users not designated as class I or class II industrial users who are required by statute or county regulations to have a hazardous materials response plan and inventory.
(4) A CLASS III INDUSTRIAL USER shall also include all varieties of non-domestic users for which the General Pretreatment Regulations promulgated by the EPA under 40 C.F.R. § 403.8(f)(2)(iii) may require the District to provide an industrial user (IU) notification regarding the applicability of Resource Conservation Recovery Act (RCRA, being 42 U.S.C. §§ 6901 et seq.) requirements. CLASS III INDUSTRIAL USERS may be individually designated by the District based on the criteria set forth above or on categorization of the user as a member of a particular business category. Examples of business categories which may be included in the CLASS III INDUSTRIAL USER designation are as follows, but not limited to: analytical and clinical laboratories, dry cleaners and laundries, vehicle maintenance and repair facilities, printing and allied industries, photo processors and pesticide formulators and applicators.
CLASS IV INDUSTRIAL USER. Any non-domestic user who is not included within the definitions and parameters of class I, class II or class III industrial users.
COLLECTION SYSTEM. The District pipelines pump stations, manholes and other similar facilities which accept, collect and convey sanitary sewage to the POTW.
COMPOSITE SAMPLE. A combination of individual samples of water or wastewater taken at preselected intervals to minimize the effect of the variability of the individual sample. Individual subsamples may be of equal volume or may be proportional of the flow at the time of sampling.
CONTROLLING AUTHORITY. Carmel Area Wastewater District (“CAWD” or “District”).
CONSTITUENT. A pollutant parameter that may be subject to monitoring or other control measures by a user.
COOLING WATER. The water discharged from any use such as air conditioning, cooling or refrigeration, or to which the only pollutant added is heat.
DAILY MAXIMUM LIMIT.
(1) The maximum allowable discharge limit of a pollutant during a calendar day. Where DAILY MAXIMUM LIMITS are expressed in units of mass, the daily discharge is the total mass discharged over the course of the day.
(2) Where DAILY MAXIMUM LIMITS are expressed in terms of a concentration, the daily discharge is the arithmetic average measurement of the pollutant concentration derived from all measurements taken that day.
DENTAL WASTE. Any waste product generated by a dental office, surgery, clinic or laboratory including amalgams, resins, saliva and rinse water.
DISCHARGE or INDIRECT DISCHARGE. The introduction of pollutants into a publicly owned treatment works from any non-domestic source regulated under § 307(b), (c) or (d) of the Act, being 33 U.S.C. § 1317(b), (c) or (d).
DISCHARGE LIMIT. A limit on the amount and/or concentration of a pollutant which is discharged to the POTW. This limit is specific for a controlled pollutant. The limit may be expressed as time, or as mass per unit volume or mass of material processed.
DISCHARGE PROHIBITION. Regulatory strategy to control pollutant sources by prohibiting the discharge to the sanitary sewer system rather than establishing numeric discharge limits.
DISTRICT. The Carmel Area Wastewater District (CAWD).
DISTRICT FACILITIES. All of the District’s system of collecting, conveying and treatment, including, but not limited to, the collection system and treatment plant. This includes any publicly owned facility connected to the District’s collection system which generates wastewater treated at the District POTW.
DOMESTIC WASTEWATER.
(1) The liquid solid and water-carried waste derived from ordinary living processes of humans of such character as to permit satisfactory disposal, without special treatment, into the public sewer by means of a private conveyance system.
(2) The strength shall be considered to have no more than 300 milligrams per liter (mg/l) BOD and suspended solids.
DULY AUTHORIZED EMPLOYEE. A person who is given the authority to stand in the place of another (as deputy, substitute, agent and the like). At CAWD, the duly authorized representative is generally understood to mean the Treatment Plant Superintendent.
ENVIRONMENTAL PROTECTION AGENCY or EPA. The U.S. Environmental Protection Agency, or where appropriate, the Regional Water Management Division Director, the term may also be used as a designation for the administrator or other duly authorized official of said agency.
EXISTING SOURCE. Any source which is not a NEW SOURCE.
FOG. Acronym for fats, oil and grease.
FOOD SERVICE FACILITY. Any facility involved with the preparation and/or sale of food. This includes, but is not limited to, the following: bars, hotels, schools, nursing homes, restaurants, bakeries, grocery stores, cafeterias and delicatessens.
GENERAL MANAGER. The person designated by the District to manage the operation of the POTW within the District and who is charged with certain duties and responsibilities by this chapter, or his or her duly authorized representative.
GRAB SAMPLE. A sample that is taken from a waste stream at a given place and time. It is only representative of the conditions occurring at the time of sampling. The sample is taken over a period of time not to exceed 15 minutes
GREASE. All fat, grease, oil, wax or other material determined as such by EPA Method 1164A or other approved method of animal, vegetable, petroleum or mineral origin. It is also referred to as FOG, or fats, oil and grease.
HAZARDOUS SUBSTANCE.
(1) As listed in 40 C.F.R.§ 300.5:
(2) HAZARDOUS SUBSTANCE, as defined by § 101(14) of CERCLA, being 42 U.S.C. §§ 9601(14), means:
Any substance designated pursuant to § 311(b)(2)(A) of the CWA, being 33 U.S.C. § 1321(b)(2)(A); any element, compound, mixture, solution or substance designated pursuant to § 102 of CERCLA, being 42 U.S.C. § 9602; any hazardous waste having the characteristics identified under or listed pursuant to § 3001 of the Solid Waste Disposal Act, being 42 U.S.C. § 6921, (but not including any waste the regulation of which under the Solid Waste Disposal Act, being 42 U.S.C. §§ 6901 et seq., has been suspended by an Act of Congress);
Any toxic pollutant listed under § 307(a) of the Clean Water Act (CWA), being 33 U.S.C. § 1317(a); any hazardous air pollutant listed under § 112 of the Clean Air Act, being 42 U.S.C. § 7412; and any imminently hazardous chemical substance or mixture with respect to which the administrator has taken action pursuant to § 7 of the Toxic Substances Control Act, being 15 U.S.C. § 2606.
(3) The term does not include petroleum, including designated as a hazardous substance in division (2) above, and the term does not include natural gas, natural gas liquids, liquefied natural gas or synthetic gas usable for fuel (or mixtures of natural gas and such synthetic gas).
HAZARDOUS WASTE. A hazardous waste, as defined in 40 C.F.R. part 261.
HOLDING TANK WASTE. Any waste from holding tanks such as vessels, chemical toilets, campers, trailers, septic tanks and vacuum-pump tank trucks.
INDUSTRIAL USER. Any contributor of industrial waste or wastewater.
INDUSTRIAL WASTE or WASTEWATER.
(1) All water-carried wastes and wastewater of the community, excluding domestic wastewater derived from any producing, manufacturing, processing, institutional, commercial, agricultural or other operation.
(2) INDUSTRIAL WASTEWATER may also include wastes of human origin similar to domestic wastewater which have been mixed with industrial wastes or wastewater prior to discharge to the District wastewater system.
INDUSTRIAL WASTEWATER DISCHARGE PERMIT (PERMIT). A written authorization or contract issued by the District which allows the discharge to the POTW of industrial wastewater containing regulated wastes controlled by this chapter.
INSTANTANEOUS LIMIT. The maximum concentration of a pollutant allowed to be discharged at any time, determined from the analysis of any discrete or composite sample collected, independent of the industrial flow rate and the duration of the sampling event.
INTERCEPTOR OR GREASE INTERCEPTOR. A plumbing appurtenance or appliance that is installed in a sanitary drainage system to intercept non-petroleum fats, oil and grease (FOG) from the wastewater discharge.
INTERFERENCE.
(1) (a) An act that harms or disrupts the facilities, processes or operations of the District; or has an adverse effect on the quality of the effluent, sludge, air emissions or other residuals generated by the District’s facilities; or has an adverse effect on the receiving waters; or is likely to endanger life, health or property or otherwise cause a nuisance; or results in violation of the District’s NPDES permit or other permits; or, in the opinion of the District, otherwise adversely affects the District’s ability to meet the objectives of § 35.001.
(b) Interference can include, but not be limited to, a discharge that causes or contributes to a violation of any requirement of the District’s NPDES permit (including an increase in the magnitude or duration of a violation) or of the prevention of biosolid use or disposal in compliance with the following statutory provisions and regulations or permits issued thereunder (or more stringent and non-conflicting state or local regulations, including District’s).
(c) Section 405 of the Clean Water Act, being 33 U.S.C. § 1345; the Solid Waste Disposal Act (SWDA), being 42 U.S.C. §§ 6901 et seq. (including title II, more commonly referred to as the Resource Conservation and Recovery Act (RCRA), being 42 U.S.C. §§ 6901 et seq., and including state regulations contained in any state sludge management plan prepared pursuant to subtitle D of the SWDA, being 42 U.S.C. §§ 6941 et seq.); the Clean Air Act, being 42 U.S.C. §§ 7401 et seq.; the Toxic Substances Control Act, being 15 U.S.C. §§ 2601 et seq.; the Marine Protection, Research and Sanctuaries Act, being 16 U.S.C. §§ 1431 et seq. and 33 U.S.C. §§ 1401 et seq.; and applicable District regulation.
(2) The term 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) Therefore is a cause of a violation of any requirement of the POTW’s NPDES permit (including an increase in the magnitude or duration of a violation) or of the prevention of sewage sludge use or disposal in compliance with the following statutory provisions and regulations or permits issued thereunder (or more stringent state or local regulations): § 405 of the Clean Water Act, the Solid Waste Disposal Act (SWDA) (including Title II, more commonly referred to as the Resource Conservation and Recovery Act (RCRA), and including state 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.
(40 U.S.C. § 403.3(k))
MEDICAL WASTE. Isolation wastes, infectious agents, human blood and blood products, pathological wastes, sharps, body parts, contaminated bedding, surgical wastes, potentially contaminated laboratory wastes and dialysis waste.
MOBILE SERVICE PROVIDER. A person or business that provides mobile or non-stationary services to commercial or industrial activities within the District’s service area that generates wastewater needing to be discharged into a sanitary sewer system. The person or business providing the service may or may not have a base of operation in the District’s service area.
NATIONAL CATEGORICAL PRETREATMENT STANDARD or PRETREATMENT STANDARD. Any regulation containing pollutant discharge limits promulgated by the EPA in accordance with § 307(b) and (c) of the Act (33 U.S.C. § 1317), which applies to a specific category of industrial user and that appears in 40 C.F.R. chapter 1, subchapter N, parts 405-471.
NATIONAL POLLUTION DISCHARGE ELIMINATION SYSTEM or NPDES PERMIT. A permit issued pursuant to § 402 of the Act (33 U.S.C. § 1342).
NATIONAL PROHIBITIVE DISCHARGE STANDARD or PROHIBITIVE DISCHARGE STANDARD. Any regulation developed under the authority of § 307(b) of the Act, being 33 U.S.C. § 1317(b), and 40 C.F.R. § 403.5.
NEW INDUSTRIAL USER. A person who has not contributed, or caused to be contributed, industrial waste or wastewater into District facilities from a given building, structure, facility or installation. A NEW SOURCE, as defined below, is included within the meaning of NEW INDUSTRIAL USER.
NEW SOURCE.
(1) 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, being 33 U.S.C. § 1317(c) that will be applicable to such source if such standards are thereafter promulgated in accordance with that section, provided that:
(a) The building, structure, facility or installation is constructed at a site at which no other source is located;
(b) The building, structure, facility or installation totally replaces the process or production equipment that causes the discharge of pollutants at an existing source; or
(c) The production or wastewater generating processes of the building, structure, facility or installation are substantially independent of an existing source at the same site. In determining whether these are substantially independent, factors such 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, should be considered.
(2) Construction on a site at which an existing source is located results in a modification rather than a NEW SOURCE if the construction does not create a new building, structure, facility or installation meeting the criteria of divisions (1)(b) or (1)(c) above but otherwise alters, replaces or adds to existing process or production equipment.
(3) Construction of a NEW SOURCE, as defined under this definition, has commenced if the owner or operator has:
(a) 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.
(b) 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 section.
NON-SIGNIFICANT CATEGORICAL USER. An industrial user that is subject to an established categorical pretreatment standard but that never discharges more than 100 gallons per day (gpd) of categorically regulated process wastewater, and complies with the requirements in 40 C.F.R. § 403.3(v)(2) and 40 C.F.R. § 403.12(q).
NOTICE OF VIOLATION. A document informing the user that he or she has violated the District pretreatment ordinance and appropriate corrective action must be taken.
OPERATOR. One who operates a business.
ORDINANCE. Unless otherwise referenced, ORDINANCE as used herein means Ordinance 2022-02 of the District.
OWNER. The discharger, user or permittee
PASS THROUGH or PASSES THROUGH. A discharge which exits the POTW into waters of the state 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 including an increase in the magnitude or duration of a violation.
PERSON. Any individual, partnership, co-partnership, firm, company, corporation, association, joint stock company, trust, estate, governmental entity or any other legal entity; or his, her or their legal representatives, agents or assigns. This definition includes all federal, state and local governmental entities.
pH. A figure expressing the acidity or alkalinity of a solution.
POLLUTANT. Something that causes pollution, including, but not limited to, any dredged spoil, solid waste, incinerator residue, sewage, garbage, sewage biosolids, munitions, chemical wastes, biological materials, radioactive materials, heat, wrecked or discharged equipment, rock, sand, cellar dirt and industrial, municipal and agricultural waste discharged into the POTW.
POLLUTION. An alteration of the quality of the waters of the state by waste to a degree which unreasonably affects:
(1) Such waters for beneficial use; or
(2) Facilities which serve such beneficial uses or which create a hazard to the public health.
PRETREATMENT or TREATMENT. The reduction of the amount of pollutants, the elimination of pollutants or the alteration of the nature of pollutant properties in wastewater to a less harmful state prior to, or in lieu of discharging or otherwise introducing such pollutants into a POTW. The reduction or alteration can be obtained by physical, chemical or biological processes, or process changes other means, except as prohibited by 40 C.F.R. § 403.6(d) by dilution as a substitute for pretreatment.
PRETREATMENT REQUIREMENT. Any substantive or procedural requirement related to pretreatment, other than a national pretreatment standard imposed on an industrial user.
PRETREATMENT STANDARD. Any regulation of the District, state or EPA, containing pollutant discharge limits or other procedural or substantive requirements of the user.
PROHIBITED DISCHARGE. Absolute prohibitions against the discharge of certain substances, these prohibitions appear in § 35.023.
PUBLICLY OWNED TREATMENT WORKS (POTW). A treatment works, as defined by § 212 of the Act (33 U.S.C. § 1292), which is owned by the District. This definition includes any sewers that convey wastewater to the POTW treatment plant, but does not include pipes, sewers or other conveyances not connected to a facility providing treatment. For the purposes of this chapter, POTW shall also include any sewers that convey wastewaters to the POTW from persons outside the District who are, by contract or agreement with the District, users of the District’s POTW.
REMODEL. To alter, make over, modify, recast, redo, refashion, remake, change, revamp, revise or rework, regardless of size or scope.
REPRESENTATIVE SAMPLE. Sample of discharges that are obtained using approved sampling methods, that are representative of the quantity and quality of the discharge and the conditions occurring during the time the discharge was sampled or measured.
SEPTIC TANK WASTE. Any sewage from holding tanks such as vessels, chemical toilets, campers, trailers and septic tanks.
SEWAGE. See WASTEWATER.
SEWERS.
(1) BUILDING SEWER. The portion of the side sewer from the end of the lateral sewer to the point of connection to the building drain.
(2) LATERAL SEWER. The privately owned and maintained portion of the side sewer from its connection at the main sewer, including the connection tap or wye and extending to a point five feet beyond the property or easement line.
(3) MAIN SEWER. A public sewer which has been or is being constructed to accommodate the flow from one or more side sewers. MAIN SEWERS are generally eight or ten inches in diameter.
(4) SIDE SEWER.
(a) A privately owned and maintained sewer line which connects the sanitary or waste plumbing (building drain) of a house or other building with the main sewer or site collector sewer. The SIDE SEWER begins at its point of connection (including the connection tap or wye) with the main sewer and terminates at its point of connection to the building drain, and is a collective term that includes both the lateral sewer and building sewer.
(b) The point of connection to the building drain shall be at the point where the plumbing first extends outside the foundation. SIDE SEWERS are generally four or six inches in diameter.
(5) SITE COLLECTOR SEWER. A privately owned and maintained sewer line constructed to serve one or more side sewers. SITE COLLECTOR SEWERS are generally six or eight inches in diameter.
(6) TRUNK SEWERS. A public sewer which has been or is being constructed to accommodate the flow from one or more main sewers and is not generally used for side sewer connections. TRUNK SEWERS are generally 12 inches in diameter or larger.
SHALL, WILL and MAY. SHALL and WILL are mandatory; MAY is permissive.
SIGNIFICANT INDUSTRIAL USER (SIU). Any industrial user classified as a class I or class II industrial user shall be a SIGNIFICANT INDUSTRIAL USER under the federal pretreatment standards.
SIGNIFICANT NON-COMPLIANCE (SNC).
(1) Any violation of pretreatment standards or requirements that, in the opinion of the District, constitutes significant non-compliance.
(2) This shall include, but not be limited to, instances of chronic violations of wastewater discharge limits, slug discharges, violations of compliance schedule milestones, failure to provide compliance data, failure to accurately report non-compliance and any other violation or group of violations as more particularly set forth in § 35.086.
SLUG DISCHARGE. A discharge capable of causing adverse impacts to the District, 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 which may cause interference with the operation of the District’s sewerage system. The discharge will be considered a SLUG DISCHARGE if the flow rate or concentrations or quantities of pollutants exceed for any time period longer than 15 minutes or more than five times the average 24-hour concentration, quantity or flow during normal operations. A SLUG DISCHARGE is considered to be 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, result 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.
SLUG LOAD. Any pollutant released in a discharge at a flow rate and/or pollutant concentration which will cause interference or upset of the POTW; or any discrete sample the concentration of which exceeds five times the discharge limit.
SOLID WASTE. Any garbage, refuse, biosolids from a waste treatment plant, water supply treatment plant or air pollution control facility and other discarded material, including solid, liquid, semisolid or containing gaseous materials resulting from industrial, commercial, mining and agricultural operations, and from community activities.
SOURCE CONTROL PROGRAM. A program that tracks and manages requirements of the pretreatment ordinance as it pertains to commercial and industrial uses within the District.
SPECIAL DISCHARGE PERMIT. A permit that authorizes temporary discharges to the District’s POTW from sources that are not able to be discharged to a municipality’s storm drain system, including, but not limited to: groundwater remediation system, groundwater monitoring well purge water, construction dewatering, pool discharges, tank test water, temporary discharges of foundation drains or area drains while permanent solutions for pollutants are developed, and water from reservoirs to enable cleaning. The SPECIAL DISCHARGE PERMIT will specify the conditions for acceptance of the wastewater.
STANDARD INDUSTRIAL CLASSIFICATION (SIC). A classification pursuant to the Standard Industrial Classification Manual, issued by the executive office of the President, office of Management and Budget.
STATE. State of California.
STORM WATER. Any flow occurring during or following any form of natural precipitation and resulting therefrom.
SUPERINTENDENT. The person designated by the District to manage the operation of the POTW within the District and who is charged with certain duties and responsibilities by this chapter, or its duly authorized representative.
SWDA. Solid Waste Disposal Act, being 42 U.S.C. §§ 6901 et seq.
TOTAL SUSPENDED SOLIDS (TSS). The total suspended matter that floats on the surface of, or is suspended in, water, wastewater or other liquids.
TOXIC POLLUTANT. Any pollutant or combination of pollutants listed in § 307(a) of the Act, being 33 U.S.C. § 1317(a).
TRAP. A cast iron or stainless steel containment device used for trapping substances and to prevent grease, sand or flammable liquids from entering the sewerage system.
TREATMENT PLANT. Any facility owned by the District that is designed to provide treatment to wastewater.
UPSET. An incident in which there is unintentional and temporary non-compliance with discharge limits because of factors beyond the reasonable control of the user.
U.S.C. United States Code.
USER. Any person who contributes, or causes the contribution of, wastewater into the District’s POTW.
WARNING NOTICE. A document informing a user of a condition that is either a minor violation, or if left unabated would become a violation that identifies corrective actions. Failure to correct the conditions identified in a WARNING NOTICE can result in issuance of a notice of violation.
WASTE HAULER. A transporter of any wastewater to the District’s POTW for treatment. Examples of wastewater/wastes that may be discharged to the POTW include septic system wastes, portable toilet wastes, oil/grease wastes removed from grease removal devices from food establishments and any other wastewater/wastes authorized for disposal under a special discharge permit.
WASTEWATER. The liquid and water-carried industrial or domestic wastes from dwellings, commercial buildings, industrial facilities and institutions, together with any groundwater, surface water and storm water that may be present, whether treated or untreated, which is contributed into or permitted to enter the District’s POTW.
WATERS OF THE STATE. All streams, lakes, ponds, marshes, watercourses, waterways, wells, springs, reservoirs, aquifers, irrigation systems, drainage system 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.
ZERO DISCHARGE. A practice of excluding the discharge from entering the sanitary sewer system. ZERO DISCHARGE can be applied to all process discharges from a user or for specific process discharges.
(Ord. 2022-02, passed 3-31-2022)