Register January 2014 No. 697
Chapter NR 211
GENERAL PRETREATMENT REQUIREMENTS
NR 211.01   Purpose.
NR 211.02   Applicability.
NR 211.03   Definitions.
Subchapter I — Industrial User Requirements
NR 211.10   Prohibited discharge standards.
NR 211.11   Categorical pretreatment standards.
NR 211.12   Combined wastestreams.
NR 211.13   Removal credits.
NR 211.14   Fundamentally different factors variances.
NR 211.15   Monitoring and reporting requirements.
NR 211.16   Additional monitoring and reporting requirements for centralized waste treaters.
NR 211.17   Hazardous waste discharge report.
NR 211.18   Defenses.
NR 211.19   Loss of treatment capacity and bypass.
Subchapter II — POTW Requirements
NR 211.20   Establishment of pretreatment programs.
NR 211.21   Compliance dates.
NR 211.22   Legal authority requirements.
NR 211.23   Procedural requirements.
NR 211.235   Regulation of significant industrial users.
NR 211.24   Requests for pretreatment program approval.
NR 211.25   Reporting requirements.
NR 211.26   Confidentiality.
NR 211.27   Pretreatment program modification.
Subchapter III — Department Activities
NR 211.30   Pretreatment program approval and removal credit authorization.
NR 211.31   Department activities in the absence of a pretreatment program.
NR 211.32   Supplemental compliance monitoring and enforcement activities.
NR 211.33   Certification of industrial user category.
NR 211.34   Pretreatment standards and requirements based upon federally promulgated regulations.
Subchapter IV — Regulation of Chloride and Mercury Sources
NR 211.40   POTW authority to regulate chloride discharges from all sources.
NR 211.41   POTW action to reduce mercury discharges from all sources.
Ch. NR 211 Note Note: Chapter NR 211 as it existed on July 31, 1983 was repealed and a new chapter NR 211 was created effective August 1, 1983. Corrections made under s. 13.93 (2m) (b) 6. and 7., Register, March, 1997, No. 495.
NR 211.01 NR 211.01Purpose. The purpose of this chapter is to establish under s. 283.21 (2), Stats., the responsibilities of industrial users and of publicly owned treatment works in preventing the discharge into publicly owned treatment works of pollutants which will interfere with the operation of the POTW, will pass through the POTW insufficiently treated, or which will impair the use or disposal of POTW sludge.
NR 211.01 History History: Cr. Register, July, 1983, No. 331, eff. 8-1-83; CR 13-006: am. Register January 2014 No. 697, eff. 2-1-14.
NR 211.02 NR 211.02Applicability. The provisions of this chapter apply to industrial users and to publicly owned treatment works which receive or may receive wastewater from such industrial users.
NR 211.02 History History: Cr. Register, July, 1983, No. 331, eff. 8-1-83.
NR 211.03 NR 211.03Definitions. The following special definitions are applicable to terms used in this chapter. Definitions of other terms are set forth in ch. NR 205 and ch. 283, Stats.
NR 211.03(1) (1) “Average daily flow" means a reasonable measure of the average daily flow for a 30-day period. For new sources, flows shall be estimated using projected values.
NR 211.03(1e) (1e) “Best management practices" or “BMPs" means maintenance or operating procedures, schedules of activities, prohibited practices, treatment requirements and other management practices to implement the prohibitions listed in s. NR 211.10 (1) and (2) or to control plant site runoff, spillage or leaks, sludge or waste disposal, or drainage from raw materials storage areas.
NR 211.03(1m) (1m) “Bypass" means the intentional diversion of waste streams from any portion of an industrial user's treatment facility.
NR 211.03(2) (2) “Categorical pretreatment standard" means any standard specifying quantities or concentrations of pollutants or pollutant properties which may be discharged to a POTW by industrial users in specific industrial categories.
NR 211.03(2e) (2e) “Centralized waste treater" means an industrial user that treats wastes generated by activities located at a site other than where treatment occurs and introduces the wastes into a POTW. This definition does not include an industrial user whose generating facility and treatment facility are owned by the same entity, and who do not accept wastes generated by entities other than the industrial user.
NR 211.03(2s) (2s) “Commencement of construction" means the beginning of any of the following activities as part of a continuous on-site construction program:
NR 211.03(2s)(a) (a) The placement, assembly or installation of facilities or equipment;
NR 211.03(2s)(b) (b) Significant site preparation work, such as clearing, excavation or the removal of existing buildings, structures or facilities if their removal is necessary for the placement, assembly or installation of new source facilities or equipment; or
NR 211.03(2s)(c) (c) The making of binding contractual obligations for the purchase of facilities or equipment which are intended to be used in the new source's operation. Options to purchase or contracts which may be terminated without a substantial loss and contracts for feasibility, engineering or design studies do not constitute a commencement of construction.
NR 211.03(3) (3) “Consistent removal rate" means a rate of consistent removal as calculated in accordance with s. NR 211.13 (2).
NR 211.03(4) (4) “Control authority" means the POTW in relation to POTWs which have a pretreatment program and means the department in relation to POTWs which do not have a pretreatment program.
NR 211.03(4m) (4m) “EPA" means the U.S. environmental protection agency.
NR 211.03(5) (5) “Existing source" means any source which is not a new source.
NR 211.03(6) (6) “Indirect discharge" means the introduction of pollutants into a POTW from any point source other than residential or commercial sources that discharge only domestic waste. Method of introduction includes, but is not limited to, by pipe, truck, or rail car.
NR 211.03(7) (7) “Industrial user" means any source of indirect discharge.
NR 211.03(8) (8) “Interference" means the inhibition or disruption of a POTW's sewer system, treatment processes, or operations by an indirect discharge which, alone or in conjunction with the discharge or discharges from other sources, causes a violation or increases the magnitude or duration of a violation of any requirement of the POTW's WPDES permit, or impairs the use or disposal of POTW sludge under chs. 281 and 283, Stats.
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Published under s. 35.93, Stats. Updated on the first day of each month. Entire code is always current. The Register date on each page is the date the chapter was last published.