Wisconsin Administrative Code

NR 210.12 Blending. (1) FINDINGS. When issuing a permit, the department may, following review of the permit application and other information provided by the permittee, find that all the following conditions are met: (a) Excessive flow received at a sewage treatment facility will…

NR 210.19 Applicability. This subchapter applies to all publicly owned treatment works and privately owned domestic treatment works that own and operate a sewage collection system, including satellite sewage collection systems. Note: Chapter NR 114 may require the certification o…

NR 210.20 Permits for satellite sewage collection systems. All municipally owned satellite sewage collection systems shall be operated under the authorization of a general permit or an individual permit issued by the department. The department may require privately owned satellit…

NR 210.205 Combined sewer systems and overflows. NR 210.21 Sanitary sewer overflows and sewage treatment facility overflows. NR 210.22 Building Backups. NR 210.23 Capacity, Management, Operation, and Maintenance Programs. NR 210.24 System Evaluation and Capacity Assurance Plan. N…

NR 210.21 Sanitary sewer overflows and sewage treatment facility overflows. (1) PROHIBITED OVERFLOWS. Sanitary sewer overflows and sewage treatment facility overflows are prohibited and may not be approved by the department nor authorized in a permit issued by the department. If …

NR 210.22 Building Backups. (1) Except for the reporting requirement established in s. NR 210.21 (4) (b) 10., building backups shall be subject only to requirements of this section. (2) A building backup caused by the blockage or failure of the building sewer or any other compone…

NR 210.23 Capacity, Management, Operation, and Maintenance Programs. (1) CMOM PROGRAM REQUIRED. All permittees subject to this chapter, including the owners of satellite sewage collection systems and combined sewer systems, shall implement a capacity, management, operation, and m…

NR 210.24 System Evaluation and Capacity Assurance Plan. (1) The department may require permittees that own and operate a sewerage system to prepare and implement a system evaluation and capacity assurance plan that meets the requirements in s. NR 110.10 (4) whenever the departme…

NR 210.25 Emergency Operation — Lift Stations. All lift stations that are a component of a sewage collection system shall be equipped for emergency operation in accordance with s. NR 110.14 (12). the chapter was last published.

NR 211.01 Purpose. 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 o…

NR 211.02 Applicability. 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. History: Cr. Register, July, 1983, No. 331, eff. 8-1-83.

NR 211.03 Definitions. 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. (1) XAverage daily flowY means a reasonable measure of the average daily flow for a 30-day period. For…

NR 211.10 Prohibited discharge standards. (1) Industrial users may not discharge pollutants into a POTW which pass through or interfere with the operation or performance of the POTW, and thereby cause or significantly contribute to a violation of the POTW[s WPDES permit. (2) The …

NR 211.11 Categorical pretreatment standards. (1) Categorical pretreatment standards for specific point source categories are set forth in chs. NR 221 to 297. Limits in categorical pretreatment standards shall apply to the effluent from the process regulated by the standard, unle…

NR 211.12 Combined wastestreams. (1) Where effluent from a process regulated by a categorical pretreatment standard is mixed prior to treatment with wastewaters other than those generated by the regulated process, fixed alternative discharge limits may be established by the contr…

NR 211.13 Removal credits. (1) (a) Any POTW receiving wastes from an industrial user to which a categorical pretreatment standard applies may, subject to the conditions of this section, grant removal credits for removal by the POTW of pollutants specified in the categorical pretr…

NR 211.14 Fundamentally different factors variances. (1) Any interested person believing that factors relating to an industrial user are fundamentally different from the factors considered during development of a categorical pretreatment standard applicable to that industrial use…

NR 211.15 Monitoring and reporting requirements. (1) Within 180 days after the effective date of a categorical pretreatment standard as published in the federal register, or 180 days after the final decision in a request for category determination under s. NR 211.33, whichever is…

NR 211.16 Additional monitoring and reporting requirements for centralized waste treaters. (1) INITIAL REPORT. At least 180 days before the commencement of discharge, a new centralized waste treater shall provide the control authority with the following information: (a) Name, loc…

NR 211.17 Hazardous waste discharge report. (1) An industrial user shall notify, in writing, the POTW, the EPA Region V waste management division director and the department[s bureau of waste management of the discharge to a POTW of: (a) More than 15 kilograms per calendar month …

NR 211.18 Defenses. (1) In any action brought for violation of s. NR 211.10 (1) or (2) (c), (d), (e), (f) or (g), an industrial user shall have an affirmative defense if the industrial user demonstrates that: (a) The industrial user did not know or have reason to know that its di…

NR 211.19 Loss of treatment capacity and bypass. (1) Industrial users shall control production or contain discharges to the extent necessary to maintain compliance with pretreatment standards and requirements upon the reduction, loss or failure of a treatment facility until the f…

NR 211.20 Establishment of pretreatment programs. The department may require any POTW with a design flow greater than 5 MGD which receives indirect discharges which pass through or interfere with the POTW[s operations or are subject to pretreatment standards to establish a POTW p…

NR 211.21 Compliance dates. POTWs shall establish pretreatment programs which meet the requirements of ss. NR 211.22 to 211.26 no later than 3 years after the reissuance or modification of an existing WPDES permit to require the development of a pretreatment program, but in no ca…

NR 211.22 Legal authority requirements. Where the department requires a POTW to develop a pretreatment program under this subchapter, the POTW shall operate under legal authority and include procedures, fully enforceable in federal or state courts, which at a minimum enables the …

NR 211.23 Procedural requirements. (1) Where the department requires a POTW to develop a pretreatment program under this subchapter, the POTW shall develop and fully implement procedures to ensure compliance with the requirements of a pretreatment program. At a minimum, these pro…

NR 211.235 Regulation of significant industrial users. A POTW with an approved pretreatment program shall: (1) (am) Control the discharge from each significant industrial user through individual control mechanisms or, as provided in par. (b), through general control mechanisms. T…

NR 211.24 Requests for pretreatment program approval. (1) A POTW requesting approval of its pretreatment program shall submit to the department in triplicate a description of the pretreatment program containing the following: (a) A statement from the POTW[s attorney that the POTW…

NR 211.25 Reporting requirements. (1) The POTW shall submit interim program development documents to the department as required by the compliance schedule in its WPDES permit. If a required interim document has not been submitted on time, the POTW shall indicate the date by which…

NR 211.26 Confidentiality. Effluent data submitted to the control authority under this chapter shall be a public record within the meaning of s. 19.21, Stats. All other information submitted to the control authority under this chapter shall be a public record unless the informati…

NR 211.27 Pretreatment program modification. (1) A POTW may initiate a pretreatment program modification at any time to reflect changing conditions in the pretreatment program. Pretreatment program modification is necessary whenever the pretreatment program will be significantly …

NR 211.30 Pretreatment program approval and removal credit authorization. (1) Upon receipt of a request from a POTW for pretreatment program approval or removal credit authorization, the department shall perform an initial review to determine the completeness of the submittal. Th…

NR 211.31 Department activities in the absence of a pretreatment program. (1) In the absence of a pretreatment program, the department may: (a) Identify and locate all possible industrial users which might be subject to pretreatment standards or requirements. (b) Identify the cha…

NR 211.32 Supplemental compliance monitoring and enforcement activities. (1) In cases where a POTW has a pretreatment program the department may perform such activities as are necessary to ensure that pretreatment standards and requirements are being properly implemented and enfo…

NR 211.33 Certification of industrial user category. (1) Within 60 days after the effective date of a categorical pretreatment standard for a subcategory under which an industrial user believes itself to be included, the industrial user may request the department to provide writt…

NR 211.34 Pretreatment standards and requirements based upon federally promulgated regulations. (1) In the event that federal regulations establishing pretreatment standards or requirements are promulgated for any point source to which the provisions of this chapter apply, the de…

NR 211.40 POTW authority to regulate chloride discharges from all sources. Notwithstanding all other provisions of this chapter, a POTW may develop and enforce specific standards or requirements, including but not limited to source reduction activities enumerated in s. NR 106.90,…

NR 211.41 POTW action to reduce mercury discharges from all sources. Notwithstanding all other provisions of this chapter, a POTW shall develop and enforce any specific standards or requirements and implement any source reduction activities that are necessary to assure compliance…

NR 212.01 Purpose. The purpose of this chapter is to establish the procedures, methodologies, and requirements to be used by the department for determining total maximum pollutant loadings and corresponding water quality related effluent limitations in accordance with ss. 283.13 …

NR 212.02 Applicability. (1) The provisions of this subchapter are applicable to water quality related effluent limitations for biochemical oxygen demand developed through wasteload allocations for the Lower Fox River from milepoints 0-40.0, Upper Wisconsin River from milepoints …

NR 212.03 Definitions. In addition to the definitions and abbreviations in ss. NR 205.03 and 205.04, the following definitions are applicable to terms used in this subchapter: (1) “Baseline load” means the reference load used in distributing all or part of the total maximum load …

NR 212.05 General. (1) Water quality related effluent limitations and total maximum loads shall be established whenever categorical effluent limits required under s. 283.13, Stats., are less stringent than necessary to achieve the designated water quality standard. Water quality …

NR 212.06 Determination of the total maximum load. (1) When required by s. NR 212.05, total maximum loads for stream segments shall be established based upon relevant water quality and quantity considerations including, but not limited to, streamflow, water temperature, pH, disso…

NR 212.065 Modification of baseline loads. NR 212.07 Allocation for reserve capacity. NR 212.08 Allocation for margin of safety. NR 212.09 Nonpoint source allocation. NR 212.10 Point source allocations. NR 212.11 Modifications and temporary reallocation of point source allocation…

NR 212.07 Allocation for reserve capacity. The allocation for a reserve capacity for a particular stream segment shall be zero unless otherwise specified in ss. NR 212.40 to 212.70. History: Cr. Register, September, 1981, No. 309, eff. 10-1-81; am. Register, May, 1985, No. 353, e…

NR 212.08 Allocation for margin of safety. The allocation for a margin of safety shall be zero unless otherwise specified in ss. NR 212.40 to 212.70. History: Cr. Register, September, 1981, No. 309, eff. 10-1-81; am. Register, May, 1985, No. 353, eff. 6-1-85.

NR 212.09 Nonpoint source allocation. The allocation for nonpoint sources shall be zero unless otherwise specified in ss. NR 212.40 to 212.70. Note: For those stream conditions where the allocation of water quality related effluent limitations is necessary, nonpoint source effect…

NR 212.10 Point source allocations. (1) The water quality related effluent limitations for a point source discharge to a stream segment which is not impacted by any other point source shall be calculated by subtracting any allocations for reserve capacity, margin of safety or non…

NR 212.11 Modifications and temporary reallocation of point source allocations. (1) When a discharger to a publicly-owned point source covered by this chapter applies to receive a separate WPDES permit or when a person with a WPDES permit applies to terminate its direct discharge…

NR 212.115 Transferable wasteload allocation. NR 212.12 Instream aeration. NR 212.13 Flow reregulation. Note: Corrections made under s. 13.93 (2m) (b) 7., Stats., Register, September, 1997, No. 501. Subchapter I — General