Chapter NR 205
GENERAL PROVISIONS
NR 205.05 Rainfall events. NR 205.06 Effluent limitations applicable where pH is monitored continuously. NR 205.065 Effluent Limitations. NR 205.066 Permit Conditions. NR 205.067 Reasonable potential for water quality based effluent limitations. NR 205.07 General conditions. NR 205.08 General permits. NR 205.10 Best management practices. NR 205.14 Schedules of compliance. Ch. NR 205 NoteNote: Chapter NR 205 as it existed on September 30, 1984 was repealed and a new chapter was created effective October 1, 1984.
NR 205.01NR 205.01 Purpose. The purpose of this chapter is to set forth the definitions applicable to and abbreviations used in chs. NR 200 to 299 to avoid repetition in those chapters. This chapter also sets forth permit general conditions for all WPDES permits, procedures for establishing permit limits in WPDES permits, effluent limitations applicable to non-POTWs where pH is continuously monitored, and procedures to be used for issuing general WPDES permits. NR 205.01 HistoryHistory: Cr. Register, September, 1984, No. 345, eff. 10-1-84; correction was made under s. 13.93 (2m) (b) 7., Stats., Register, May, 2001, No. 545; CR 17-002: am. Register April 2018 No. 748, eff. 5-1-18. NR 205.02NR 205.02 Applicability. The provisions of this chapter are applicable to all point source discharges of pollutants, including the land application of sludge. NR 205.03NR 205.03 Definitions. The following definitions are applicable to terms used in chs. NR 200 to 299 except as they may be superseded by a more specific definition in a particular chapter or section or in any particular issued permit. NR 205.03(1)(1) “Bioaccumulation” means the uptake and retention of one or more substances in living tissue either by direct uptake or through uptake in the food chain or both. NR 205.03(2)(2) “Bioassay” means the procedure in which the response of captive aquatic organisms are used to detect or measure the presence or effect of one or more substances, wastes or environmental factors, alone or in combination. NR 205.03(3)(3) “Biological monitoring” as defined in ch. 283, Stats., means the determination of the effects on aquatic life, including accumulation of pollutants in tissue, in receiving waters due to the discharge of pollutants by techniques and procedures, including sampling of organisms representative of appropriate levels of the food chain appropriate to the volume and the physical, chemical and biological characteristic of the effluent and at appropriate frequencies and locations. NR 205.03 NoteNote: Section NR 210.03 (2e) reads: “Blending” means the routing of untreated or partially treated wastewater around a biological treatment process, or a portion of a biological treatment process, within a sewage treatment facility. The routing of untreated or partially treated wastewater around a portion of a biological treatment process is considered to be blending only if the entire wastewater flow has not received biological treatment. NR 205.03(4)(4) “Blowdown” means the minimum discharge of recirculating water necessary to prevent the buildup of materials in the water above the limits of best engineering practice. NR 205.03 NoteNote: Section NR 210.03 (2m) reads: “Building backup” means an accumulation of sewage in any public or private building caused by blockage, failure or other hydraulic constraint in the sewage collection system or by blockage or failure of the building sewer or private interceptor main sewer. NR 205.03(5)(5) “Bypass” means the intentional diversion of waste streams from any portion of a sewage treatment facility or a wastewater treatment facility. A bypass does not include a building back-up or a combined sewer overflow. NR 205.03(6)(6) “Chronic toxicity” means the long term effects on aquatic or terrestrial organisms from exposure to a toxic pollutant as determined by whole or partial life-cycle tests. NR 205.03 NoteNote: Section NR 210.03 (3h) reads: “Combined sewer overflow” means a release of wastewater from a combined sewer system directly into a water of the state or to the land surface. NR 205.03 NoteNote: Section NR 210.03 (3p) reads: “Combined sewer system” means a wastewater collection system owned by a municipality that conveys domestic, commercial and industrial wastewater and storm water runoff through a single pipe system to a publicly owned treatment works. NR 205.03 NoteNote: Section NR 110.03 (7s) reads: “Combined sewer treatment facility” means all the structures, pipes and other equipment that constitute the various treatment processes and treatment units employed to reduce pollutants in wastewater from combined sewer systems. NR 205.03(7)(7) “Commercial domestic establishment” means any establishment which has the capability to collect, treat or dispose of domestic wastes including but not limited to restaurants, country clubs, mobile home parks, motels and hotels. NR 205.03(8)(8) “Construction” as defined in ch. 283, Stats., means 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. NR 205.03(9)(9) “Contaminated storm water” means a point source discharge of storm water which the department has identified as a significant contributor of pollution. NR 205.03(9g)(9g) “Continuous discharge” means a facility that discharges 24 hours per day on a year-round basis except for temporary shutdowns for maintenance or other similar activities. NR 205.03(9m)(9m) “Controlled diversion” means the routing of untreated or partially treated wastewater around any treatment unit within a sewage or wastewater treatment facility which is then recombined with undiverted wastewater prior to the effluent sampling location and prior to effluent discharge. NR 205.03 NoteNote: Controlled diversions at a sewage treatment facility do not include blending and may occur only in compliance with s. NR 205.07 (1) (v). NR 205.03(10)(10) “Cooling water” means water which has been used primarily for cooling but which may be contaminated with process waste or airborne material. Examples are the discharge from barometric condensers or the blowdown from cooling towers. NR 205.03(11)(11) “Department” means the department of natural resources. NR 205.03(12)(12) “Discharge” as defined in ch. 283, Stats., when used without qualification includes a discharge of any pollutant. NR 205.03(13)(13) “Discharge of pollutant” as defined in ch. 283, Stats., means any addition of any pollutant to the waters of this state from any point source including the land application of sludge. NR 205.03(14)(14) “Domestic wastewater” means the type of wastewater normally discharged from plumbing facilities in private dwellings or commercial domestic establishments and includes, but is not limited to, sanitary, bath, laundry, dishwashing, garbage disposal and cleaning wastewaters. NR 205.03(15)(15) “Effluent limitation” as defined in ch. 283, Stats., means any restriction established by the department, including schedules of compliance, on quantities, rate, and concentrations of chemical, physical, biological and other constituents which are discharged from point sources into waters of the state. NR 205.03(16)(16) “General permit” means a permit for the discharge of pollutants issued by the department under s. 283.35, Stats. NR 205.03(17)(17) “Groundwater” means the portion of subsurface water which is within the zone of saturation and includes but is not limited to perched water tables, shallow regional groundwater tables, and aquifers or zones that are seasonally, periodically or permanently saturated. NR 205.03(18)(18) “Municipality” as defined in ch. 283, Stats., means any city, town, village, county, county utility district, town sanitary district, town utility district, school district or metropolitan sewage district or any other public entity created under law and having authority to collect, treat or dispose of sewage, industrial wastes or other wastes. NR 205.03(19)(19) “Municipal wastewater” means the mixture of domestic, process and other wastewater tributary to any given municipal sanitary sewage or treatment system. NR 205.03(20)(20) “New source” as defined in ch. 283, Stats., means any point source the construction of which commenced after the effective date of applicable effluent limitations or standards of performance. NR 205.03(21)(21) “Noncontact cooling water” means water used for cooling which does not come into contact with any raw material, intermediate or finished product, or waste and has been used in heat exchangers, air or refrigeration compressors, or other cooling means where contamination with process waste is not normally expected. NR 205.03(22)(22) “Owner or operator” as defined in ch. 283, Stats., means any person owning or operating a point source of pollution. NR 205.03(23)(23) “Permit” as defined in ch. 283, Stats., means a permit for the discharge of pollutants issued by the department under ch. 283, Stats.
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Department of Natural Resources (NR)
Chs. NR 200-299; Environmental Protection – Wisconsin Pollutant Discharge Elimination System
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