9-3-2: DEFINITIONS:
Unless the context specifically indicates otherwise, the meanings of terms used in this chapter shall be as follows:
ACT: The federal water pollution control act entitled public law 92-500, and its amendments of 1972, as administered by the United States environmental protection agency (EPA).
BIOCHEMICAL OXYGEN DEMAND (BOD): The quantity of oxygen utilized in the biochemical oxidation of organic matter under standard laboratory procedure in five (5) days at twenty degrees centigrade (20°C), expressed in milligrams per liter (mg/l).
BUILDING DRAIN: 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 (5') outside the inner face of the building wall.
BUILDING SEWER: The extension from the building drain to the point of connection with the public sewer or other place of disposal.
CITY: Refers to the city of Blackfoot, Bingham County, Idaho, or its authorized or designated agent, representative, or deputy thereto.
COMBINED SEWER: A sewer receiving both surface runoff and sewage.
EQUIVALENT DWELLING UNIT (EDU): The average volume of domestic waste discharged from an average residential dwelling unit.
FLOW: The volume of sewage being discharged into the sewage system.
GARBAGE: Solid wastes from the domestic and commercial preparation, cooking and dispensing of food, and from the handling, storage and sale of produce.
INDUSTRIAL COST RECOVERY: Financial recovery by the city, from the industrial users of the sewerage system, of that portion of the U.S. government grant amount allocable to the treatment of wastes from such users pursuant to section 204(b) of the act.
INDUSTRIAL USERS:
   A.   Any nongovernmental user of publicly owned treatment works identified in the standard industrial classification manual (SIC), 1972, office of management and budget, or North American industry classification system (NAICS), 1997, U.S. office of management and budget as amended and supplemented under the following divisions:
      1. SIC division A: Agriculture, forestry and fishing; NAICS sector 11: Agriculture, forestry, fishing and hunting.
      2. SIC division B: Mining; NAICS sector 21: Mining.
      3. SIC division D: Manufacturing; NAICS sector 31-33: Manufacturing.
      4. SIC division E: Transportation, communications, electric, gas and sanitary services; NAICS sector 48-49: Transportation and warehousing; NAICS sector 51: Communications; NAICS sector 22: Utilities.
      5. SIC division G: Retail Trade; NAICS sector 44-46: Retail trade; NAICS sector 72: Accommodations and food services.
      6. SIC division I: Services; NAICS sector 54: Professional, scientific, and technical services; NAICS sector 56: Administrative and support and waste management and remediation services; NAICS sector 61: Educational services; NAICS sector 62: Health care and social assistance; NAICS sector 71: Arts, entertainment, and recreation; NAICS sector 81: Other services (except public administration).
   B.   An industrial user is also defined as follows:
      1. A nongovernmental, nonresidential user that discharges more than the equivalent of ten thousand (10,000) gallons per day of sanitary waste and which is identified in the standard industrial classification manual under divisions A, B, D, E and I;
      2. A user that discharges any wastewater containing toxic pollutants or which has any other adverse effect on the treatment works; or
      3. A commercial user of an individual system.
   C.   A user in the SIC divisions and NAICS sectors listed may be excluded if it is determined that it will introduce primarily segregated domestic wastes or wastes from sanitary conveniences through the completion and review of the data disclosure form.
INDUSTRIAL WASTES: The liquid wastes from industrial manufacturing processes, trade or business, as distinct from sanitary sewage.
IPDES: Idaho Pollutant Discharge Elimination System.
MULTIPLE BUILDING DEVELOPMENT: Includes the various types of developments that would have common or joint ownership areas, such as condominiums, townhouses, mobile home parks or courts, shopping centers, etc.
NATURAL OUTLET: Any outlet into a watercourse, pond, ditch, lake or other body of surface or ground water.
NONDOMESTIC SOURCE: Any residential or commercial discharger which discharges or could potentially discharge nondomestic wastewater, and any industrial discharger.
OWNER: A person owning real estate that is, or proposes to be, connected to the sewage system.
PERSON: Any individual, firm, company, association, society, corporation or group.
pH: The logarithm of the reciprocal of the weight of hydrogen ions in grams per liter of solution with a pH value of 7 being neutral.
PROPERLY SHREDDED GARBAGE: The wastes from the preparation, cooking and dispensing of food that have been shredded to such a degree that all particles will be carried freely under the flow conditions normally prevailing in public sewers, with no particle greater than one-half inch (1/2") in any dimension.
PUBLIC SEWER: A sewer in which all owners of abutting properties have equal rights, and is controlled by public authority.
SANITARY SEWER: A sewer that carries sewage and to which storm, surface and ground waters are not admitted.
SERVICE CONNECTION: The point at which the building sewer connects to the public sewer.
SEWAGE OR WASTE MATTER: A combination of the water carried wastes from residences, business buildings, institutions and industrial establishments, together with such ground, surface and storm waters as may be present.
SEWAGE TREATMENT PLANT OR WASTEWATER TREATMENT FACILITY: Any devices and system used in the storage, treatment, recycling and reclamation of municipal sewage or industrial wastes of a liquid nature to implement section 201 of the act.
SEWER: A pipe or conduit for carrying sewage.
SEWER AVAILABILITY FEE: A onetime fee assessed per equivalent residential unit (ERU) when connecting to the sewerage system.
SEWER USER: Any individual, firm, company, association, society or corporation or group who has connected to the sewerage system.
SEWERAGE SYSTEM: All facilities for collecting, pumping, treating and disposing of sewage.
SHALL/MAY: "Shall" is mandatory. "May" is permissive.
SIGNIFICANT NONCOMPLIANCE: Means:
   1.   Chronic violations of wastewater discharge limits, defined here as those in which sixty-six percent (66%) or more of all of the measurements taken during a six (6) month period exceed (by any magnitude) the daily maximum limit, the average limit, or City of Blackfoot Maximum Allowable Discharge Limit for the same pollutant parameter;
   2.   Technical Review Criteria (TRC) violations, defined here as those in which thirty- three percent (33%) or more of all of the measurements for each pollutant parameter taken during a six (6) month period equal or exceed the product of the daily maximum limit, the average limit, or City of Blackfoot’s Maximum Allowable Discharge Limit multiplied by the applicable TRC (TRC = 1.4 for COD, TSS, Total Nitrogen and 1.2 for all other pollutants except pH);
   3.   Any other violation of a pretreatment effluent limit (daily maximum or longer-term average), that City of Blackfoot determines has caused, alone or in combination with other discharges, interference or pass-through, (including endangering the health of City of Blackfoot WWTP personnel or the general public);
   4.   Any discharge of pollutants that has caused imminent endangerment to the public or to the environment, or has resulted in City of Blackfoot’s exercise of emergency authority to halt or prevent such a discharge;
   5.   Failure to meet, within ninety (90) days of the scheduled date, a compliance schedule milestone contained in a wastewater discharge permit or enforcement order for starting construction, completing construction, or attaining final compliance;
   6.   Failure to provide, within thirty (30) days after the due date, required reports, such as baseline monitoring reports, ninety (90) day compliance reports, periodic self- monitoring reports, and reports on compliance with compliance schedules;
   7.   Failure to accurately report noncompliance; or
   8.   Any other violation or group of violations which City of Blackfoot determines will adversely affect the operation or implementation of city’s pretreatment program.
SLUG: 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 (15) minutes for more than five (5) times the average twenty four (24) hour concentration or flows during normal operation.
STORM DRAIN (Sometimes Termed STORM SEWER): A sewer which carries storm and surface waters and drainage, but excludes sewage and industrial wastes, other than unpolluted water such as cooling water.
SUSPENDED SOLIDS: Solids, organic or inorganic, that either float on the surface of, or are in suspension in water, sewage, or other liquids, and which are removable by laboratory filtering as prescribed in "Standard Methods For The Examination Of Water And Waste Water" and referred to a nonfilterable residue.
WATERCOURSE: A channel in which a flow of water occurs, either continuously or intermittently.
(Ord. 2122, 5-6-2014; amd. Ord. 2188, 10-1-2019)