NR 216.07(4)(d) (d) Procedures for identifying priorities for inspecting sites and enforcing control measures which consider the nature of the construction activity, topography, the characteristics of soil and receiving water quality.
NR 216.07(4)(e) (e) Requirements for construction site operators to manage waste such as discarded building materials, concrete truck washout, chemicals, litter, and sanitary waste at the construction site so as to minimize adverse impacts to water quality.
NR 216.07(4)(f) (f) Procedures for receipt and consideration of information submitted by the public.
NR 216.07(5) (5) Post-construction site storm water management. A program to develop, implement and enforce controls on discharges from new development and redevelopment projects that disturb one acre or more of land, including projects less than one acre that are part of a larger common plan of development or sale, that discharge into the MS4. This program shall encompass any adjacent developing areas that are planned to have a minimum density of 500 people per square mile, the urbanized area and developing areas whose runoff will connect to the MS4. The program shall include all of the following:
NR 216.07(5)(a) (a) The implementation and enforcement of a legal authority to comply with ss. NR 151.12 and 151.24.
NR 216.07 Note Note: Section NR 151.12 applies to construction sites that are not transportation facilities and s. NR 151.24 applies to transportation facility construction sites.
NR 216.07(5)(b) (b) Procedures for site planning which incorporate consideration of potential water quality impacts.
NR 216.07(5)(c) (c) Requirements for source area control and regional best management practices.
NR 216.07(5)(d) (d) Procedures for inspecting and enforcing maintenance of best management practices.
NR 216.07(6) (6) Pollution prevention.
NR 216.07(6)(a)(a) A storm water management program and an operation and maintenance program that includes a training component and has the ultimate goal of preventing or reducing pollutant runoff. This program shall achieve compliance with the developed urban area performance standards of s. NR 151.13 (2) for those areas that were not subject to the post-construction performance standards of s. NR 151.12 or 151.24. The total suspended solids control requirements of s. NR 151.13 (2) (b) 1. b. and 2. may be achieved on a regional basis across an urban area or on an individual basis. The program shall include all of the following activities:
NR 216.07 Note Note: Section NR 151.13 (2) (b) 2. was repealed by CR 19-050 Register January 2020 No 769, eff. 2-1-20.
NR 216.07(6)(a)1. 1. Installation and maintenance of source area controls and regional best management practices.
NR 216.07(6)(a)2. 2. Roadway maintenance including street sweeping and de-icer management.
NR 216.07(6)(a)3. 3. If appropriate, collection and management of leaf and grass clippings.
NR 216.07(6)(a)4. 4. Management of municipal garages, storage areas and other municipal sources of pollution.
NR 216.07(6)(a)5. 5. Management of the application of lawn and garden fertilizers on municipally controlled properties in accordance with s. NR 151.13 (1) (b) 3.
NR 216.07(6)(a)6. 6. Inspection, surveillance and monitoring procedures necessary to determine compliance and noncompliance with permit conditions.
NR 216.07(6)(a)7. 7. Adequate legal authority to require compliance with conditions in ordinances, permits, contracts or orders.
NR 216.07(6)(b) (b) An assessment of the actions taken under this subsection shall be conducted. The assessment shall include a pollutant-loading analysis using a model such as SLAMM, P8 or equivalent methodology that is approved by the department. At a minimum, a pollutant-loading analysis shall be conducted for total suspended solids and phosphorus. The department may require other parameters on a case-by-case basis.
NR 216.07 Note Note: The department believes that computer modeling is the most efficient and cost effective method for calculating pollutant loads. Pollutant loading models such as SLAMM, P8 or equivalent methodology may be used to evaluate the efficiency of the design in reducing total suspended solids. Information on how to access SLAMM and P8 is available at or contact the storm water program in the bureau of watershed management at (608) 267-7694.
NR 216.07 Note Note: The pollutant-loading analysis may be limited to pollutants generated within the municipality.
NR 216.07(7) (7) Storm sewer system map. A sufficiently sized and detailed map with a scale suited for the level of detail depicting the following information:
NR 216.07(7)(a) (a) Identification and outline of the storm water drainage basins, the watersheds and municipal separate storm sewer systems. Other major municipal, government or privately owned storm water conveyance systems lying within, but not owned or operated by the permittee shall also be identified.
NR 216.07(7)(b) (b) A boundary defining the final urban storm water planning area and all municipal borders in the area.
NR 216.07(7)(c) (c) A list and location of all municipal storm sewer system outfalls discharging to waters of the state. Indicate the pipe size and identify those outfalls which are considered major outfalls.
NR 216.07(7)(d) (d) The location and permit number of any discharge to the municipal separate storm sewer system that has been issued a WPDES permit, or has filed a permit application with the department.
NR 216.07(7)(e) (e) The location of major structural controls for storm water discharges including retention basins, detention basins and major infiltration devices.
NR 216.07(7)(f) (f) Identification of publicly owned parks, recreational areas and other open lands.
NR 216.07(7)(g) (g) The location of publicly owned public works facilities.
NR 216.07(7)(h) (h) Other potential sources of pollutants.
NR 216.07(8) (8) Annual report. For the permittee's first permit term of 5 years, submission of an annual report to the department. After the term of the first permit, the department may reduce annual reporting frequency but annual reports shall be filed in the 2 nd and 4th years of the subsequent permit terms. The municipal governing body, interest groups and the general public shall be encouraged to review and comment on the annual report in accordance with sub. (2). The annual report shall include the following information:
NR 216.07(8)(a) (a) The status of implementing the permit requirements and compliance with permit schedules.
NR 216.07(8)(b) (b) A summary of activities to comply with sub. (6).
NR 216.07(8)(c) (c) A fiscal analysis which includes the annual expenditures and budget for the reporting year, and the budget for the next year.
NR 216.07(8)(d) (d) A summary of the number and nature of enforcement actions, and inspections conducted to comply with the required legal authorities.
NR 216.07(8)(e) (e) Identification of water quality improvements or degradation.
NR 216.07 Note Note: As authorized under s. NR 205.07 (1) (L), the department requests other relevant information in the annual report to determine the MS4 permittee's compliance with a permit issued under this subchapter, such as any reliance on another entity to satisfy some permit requirements, proposed changes to the storm water management program, and an evaluation of the storm water management program.
NR 216.07(9) (9) Schedule of compliance. A compliance schedule for the permittee to fully develop, implement and enforce the requirements of this subchapter within 5 years after initial permit coverage is granted.
NR 216.07 History History: CR 03-028: cr. Register July 2004 No. 583, eff. 8-1-04; correction in (6) (a) (intro.) made under s. 13.92 (4) (b) 7., Stats., Register January 2020 No. 769.
NR 216.08 NR 216.08Permit fees. A storm water discharge permit fee shall be paid annually by each permittee under this subchapter, and by each permittee whose WPDES permit incorporates storm water management requirements under this subchapter. Permit fees are due by June 30th each year. The fees shall be assessed according to the following schedule:
NR 216.08(1) (1)For city or village owned or operated municipal separate storm sewer systems, an annual permit fee shall be based on the total municipal population as reported by the latest U.S. bureau of the census decennial census. The population residing within an area served by a combined sewer outfall may not be included in determining the total municipal population for purposes of establishing the annual permit fee. For town owned or operated municipal separate storm sewer systems, an annual permit fee shall be based on the population within the urbanized area as defined by the U.S. census bureau. The annual permit fees are listed in Table 1. - See PDF for table PDF
NR 216.08(2) (2)For any other owner or operator of a municipal separate storm sewer system including county, state and federal systems, the fee shall be $500.
NR 216.08 Note Note: The annual permit fee is the same regardless of whether the municipal separate storm sewer system is covered under a general permit or an individual permit alone or with co-permittees. Municipal permit fees were established in order to administer the municipal permit program pursuant to s. 283.33 (9) (b), Stats.
NR 216.08 History History: CR 03-028: cr. Register July 2004 No. 583, eff. 8-1-04.
NR 216.09 NR 216.09Permit reissuance. In order to remain covered after the expiration date of a permit issued pursuant to this subchapter, a permittee shall reapply to the department at least 180 days prior to the expiration date of the permit for continued coverage under a reissued permit. If the permit is not reissued by the time the existing permit expires, the existing permit remains in effect. To reapply for permit coverage, a permittee shall send a letter to the department that includes proposed changes to the storm sewer system map, storm water management program and any other relevant change.
NR 216.09 History History: CR 03-028: cr. Register July 2004 No. 583, eff. 8-1-04.
subch. II of ch. NR 216 Subchapter II — Industrial Storm Water Discharge Permits
NR 216.20 NR 216.20Purpose. This subchapter establishes criteria for identifying industrial discharges that require a WPDES storm water permit, application requirements, permit requirements and permit fees, as required by s. 283.33, Stats.
NR 216.20 History History: CR 03-028: cr. Register July 2004 No. 583, eff. 8-1-04.
NR 216.21 NR 216.21Applicability and exclusions.
NR 216.21(1)(1)Point sources. This subchapter applies to point sources which discharge storm water associated with industrial activity to the waters of the state, either directly or via a separate storm sewer system.
NR 216.21(2) (2) Categories. This subchapter applies to discharges originating from the industrial facilities belonging to categories identified in pars. (a) and (b).
NR 216.21(2)(a) (a) Tier 1 categories include all of the following:
NR 216.21(2)(a)1. 1. Heavy manufacturers defined by their primary Standard Industrial Classification (SIC) Code, which represents the primary income-producing activity at the facility, listed in Table 1: - See PDF for table PDF
NR 216.21 Note Note: Facilities in SIC Codes 2434, 2650-2659, 2670-2679, 2830-2839, 2850-2859, 2951, 3230-3239, 3271-3273 are included in s. NR 216.21(2)(b).
NR 216.21(2)(a)2. 2. Facilities involved in the recycling of materials such as metal scrap yards, battery reclaimers, salvage yards and automobile junk yards, including those classified in SIC Codes 5015 and 5093.
NR 216.21(2)(a)3. 3. Facilities with bulk storage piles for coal, metallic and non-metallic minerals and ores, and scrap not otherwise covered under this subchapter, such as those associated with freight transportation, SIC Code 4400-4499, and wholesale trade, SIC Code 5052.
NR 216.21(2)(b) (b) Tier 2 categories include all of the following:
NR 216.21(2)(b)1. 1. Manufacturing facilities defined by Table 2, not including their access roads and rail lines: - See PDF for table PDF
NR 216.21 Note Note: Facilities in SIC Codes 3110-3119, 3441 and 3730-3739 are included in s. NR 216.21 (2) (a) 1.
NR 216.21(2)(b)2. 2. Transportation facilities defined by Table 3 that have vehicle maintenance shops, equipment cleaning operations or airport de-icing operations. This subchapter only applies to those portions of these facilities that are involved in vehicle maintenance including rehabilitation, mechanical repairs, painting, fueling, lubrication and associated parking areas, involved in cleaning operations or de-icing operations, or that are listed as source areas under s. NR 216.27 (3) (e): - See PDF for table PDF
NR 216.21 Note Note: Facilities in SIC Codes 4221, 4222 and 4225 are included in s. NR 216.21 (2) (b) 1.
NR 216.21(2)(b)3.a.a. Facilities defined by Table 4, including active and inactive mining operations and oil and gas exploration, production, processing or treatment operations or transmission facilities. This subchapter only applies where storm water runoff has come into contact with any overburden, raw material, intermediate product, finished product, by-product or waste material located on the site of the operations. - See PDF for table PDF
NR 216.21(2)(b)3.b. b. This subchapter does not apply to non-coal mining operations which have been released from applicable state or federal reclamation requirements after December 17, 1990; nor to coal mining operations released from the performance bond issued to the facility by the appropriate surface mining control and reclamation act authority under 30 USC 1201 et seq. and 16 USC 470 et seq. Production, processing or treatment operations or transmission facilities associated with oil and gas extraction are included only if there has been a discharge of storm water containing a quantity of a pollutant reportable pursuant to 40 CFR 110.64, 40 CFR 117.21 or 40 CFR 302.6, or if a storm water discharge contributed to a violation of a water quality standard.
NR 216.21(2)(b)4. 4. Facilities subject to storm water effluent limitation guidelines, new or existing source performance standards or toxic pollutant effluent standards under 33 USC 1251, 1311, 1314(b) and (c), 1316(b) and (c), 1317(b) and (c), 1326(c), except those facilities classified as a Tier 1 pursuant to sub. (2) (a).
NR 216.21(2)(b)5. 5. Treatment works treating domestic sewage or any other sewage sludge or wastewater treatment device or system, used in the storage, treatment, recycling and reclamation of municipal or domestic sewage, including lands dedicated to the disposal of sewage sludge that are located within the confines of the facility, with a design flow of one million gallons per day or more, or required to have an approved pretreatment program. Not included are farm lands, domestic gardens or lands used for sludge management where sludge is beneficially reused and which are not physically located in the confines of the facility, or areas that are in compliance with 33 USC 1345.
NR 216.21(2)(b)6. 6. Hazardous waste treatment, storage and disposal facilities, including those operating under a license under s. 291.25, Stats.
NR 216.21(2)(b)7. 7. Landfills, land application sites and open dumps that receive or have received any industrial waste from any of the facilities identified in this section, including those subject to regulation under subtitle D of the resource conservation and recovery act, 42 USC 6901 et seq., or ch. 289, Stats.
NR 216.21(2)(b)8. 8. All steam electric power generating facilities, including coal handling sites but not including off-site transformer or electric substations.
NR 216.21(2)(b)9. 9. Facilities described in SIC code 2951 for asphalt paving mixes and block, and facilities described in SIC codes 3271, 3272 and 3273 for cement products.
NR 216.21(2)(b)10. 10. Facilities previously classified as tier 1 dischargers that are subsequently classified as tier 2 under s. NR 216.23 (3).
NR 216.21(2)(b)11. 11. Discharges determined by the department to be significant contributors of pollutants to waters of the state.
NR 216.21(3) (3) Conditional no exposure exclusion.
NR 216.21(3)(a) (a) Discharges composed entirely of storm water are not storm water discharges associated with industrial activity if there is no exposure of industrial materials and activities to storm water, and the discharger satisfies the conditions in pars. (b) to (e). “No exposure" means that all industrial materials and activities are protected by a storm resistant shelter to prevent exposure to storm water. Industrial materials or activities include material handling equipment or activities, industrial machinery, raw materials, intermediate products, by-products, final products or waste products. Material handling activities include the storage, loading and unloading, transportation or conveyance of any raw material, intermediate product, final product or waste product.
NR 216.21(3)(b) (b) Qualification. To qualify for this exclusion, the operator of the discharge shall do all of the following:
NR 216.21(3)(b)1. 1. Provide a storm resistant shelter to protect industrial materials and activities from exposure to storm water.
NR 216.21(3)(b)2. 2. Complete and sign, in accordance with s. NR 216.22 (7), a certification that there are no discharges of storm water contaminated by exposure to industrial materials and activities from the entire facility, except as provided in par. (c).
NR 216.21(3)(b)3. 3. Submit an initial “no exposure" certification to the department within 6 months after August 1, 2004 using U.S. EPA NPDES Form 3510-11 or on a form available from the department. The “no exposure" form shall be mailed to: Department of Natural Resources, Storm Water Program — WT/2, PO Box 7921, Madison, WI 53707-7921.
NR 216.21 Note Note: The department's no exposure certification form, Form 3400-188, requests necessary information to be consistent with federal requirements and U.S. EPA NPDES Form 3510-11, including the latitude and longitude of the facility. U.S. EPA has published a guidance document entitled Guidance Manual for Conditional Exclusion from Storm Water Permitting Based On “No Exposure" of Industrial Activities to Storm Water, EPA 833-B-00-001, dated June 2000. This guidance is available from the U.S. EPA website at The department no exposure certification form is available from the department website at
NR 216.21(3)(b)4. 4. Submit the signed certification to the department once every 5 years.
NR 216.21(3)(b)5. 5. Allow the department to inspect the facility to determine compliance with the “no exposure" conditions.
NR 216.21(3)(b)6. 6. Allow the department to make any “no exposure" inspection reports available to the public upon request.
NR 216.21(3)(b)7. 7. For facilities that discharge through an MS4, upon request, submit a copy of the certification of “no exposure" to the MS4 operator, as well as allow inspection and public reporting by the MS4 operator.
NR 216.21(3)(c) (c) Industrial materials and activities not requiring storm resistant shelter. To qualify for this exclusion, storm resistant shelter is not required for any of the following:
NR 216.21(3)(c)1. 1. Drums, barrels, tanks and similar containers that are tightly sealed, provided those containers are not deteriorated and do not leak. “Sealed" means banded or otherwise secured and without operational taps or valves.
NR 216.21(3)(c)2. 2. Adequately maintained vehicles used in material handling.
NR 216.21(3)(c)3. 3. Final products, other than products that would be mobilized in storm water such as rock salt.
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.