NR 216.22(5)(b)(b) The basis for determining coverage under a general or individual storm water discharge permit and the tier type shall be based on a comparison of notice of intent information on SIC code, industrial activity and the discharge of contaminated storm water, to the categories identified in s. NR 216.21 (2). NR 216.22(5)(c)(c) If a facility has a WPDES permit, the department may choose to regulate storm water discharges under that permit. NR 216.22(6)(6) Additional information. The department may require more information than what is provided in the notice of intent in order to determine if coverage under a general permit is appropriate. The applicant shall provide additional information requested by the department within 30 days from receipt of notification by the department. NR 216.22(7)(7) Signature. The notice of intent shall be signed as follows: NR 216.22(7)(a)(a) In the case of a corporation, by a principal executive officer of at least the level of vice-president, or by the officer’s authorized representative having overall responsibility for the operation of the site for which permit coverage is sought. NR 216.22(7)(b)(b) In the case of a unit of government, by a principal executive officer, a ranking elected official, or other duly authorized representative. NR 216.22(7)(d)(d) In the case of a sole proprietorship, by the proprietor. NR 216.22(7)(e)(e) In the case of a limited liability company, by a member or manager. NR 216.22(8)(8) Deficient application. The department may require an applicant to submit data necessary to complete any deficient notice of intent or may require the applicant to submit a new notice of intent where the deficiencies are extensive or the appropriate form has not been used. NR 216.22(9)(9) Reapplication. When a general storm water discharge permit is reissued, the department may require the owner or operator of a previously covered facility to submit a new notice of intent in order to determine continued applicability of the permit. NR 216.22 HistoryHistory: CR 03-028: cr. Register July 2004 No. 583, eff. 8-1-04; CR 21-027: am. (4) Register March 2022 No. 795, eff. 4-1-22. NR 216.23(1)(1) Tier 1 general permit. The department may issue a statewide general permit to cover all tier 1 type storm water discharges where the discharges are not covered by an industry-specific general permit issued pursuant to s. NR 216.24, or by an individual permit issued pursuant to s. 283.31 or 283.33, Stats. NR 216.23(2)(2) Tier 2 general permit. The department may issue a statewide general permit to cover all tier 2 type storm water discharges where the discharges are not covered by an industry-specific general permit issued pursuant to s. NR 216.24, or by an individual permit issued pursuant to s. 283.31 or 283.33, Stats. NR 216.23(3)(a)(a) A permittee covered by a tier 1 general industrial storm water discharge permit issued under this section, or a permit issued under s. NR 216.24, may request that the department consider converting the permittee’s coverage to a tier 2 general industrial storm water discharge permit if all of the following occur: NR 216.23(3)(a)2.2. The permittee certifies that there is no unauthorized discharge at the outfall. NR 216.23(3)(a)3.3. The permittee has completed a minimum of 3 years of industrial activity under a SWPPP, with no confirmed problems identified by public complaint or the annual facility site compliance inspection reports required under s. NR 216.29 (2). NR 216.23(3)(b)(b) The department may elect to cover any industrial storm water discharge under a tier 2 general permit where the department determines that a tier 2 general permit is appropriate. NR 216.23(4)(4) Changing to tier 1. If the department determines that a facility or an industrial activity covered under a tier 2 general permit may be discharging storm water contaminated with pollutants listed in s. NR 216.27 (3) (j), the department may require that the facility or activity be covered by a tier 1 general permit. NR 216.23 HistoryHistory: CR 03-028: cr. Register July 2004 No. 583, eff. 8-1-04. NR 216.24NR 216.24 Industry-specific general permits. NR 216.24(1)(1) Industry-specific permits. In addition to statewide general permits issued under s. NR 216.23 (1) or (2), the department may issue industry-specific general storm water discharge permits to one or more categories of industries identified in s. NR 216.21 (2). NR 216.24(2)(2) Requirements. Industry-specific general industrial storm water discharge permits shall differ from the statewide storm water general permits by factoring in characteristics common to the industry including the characteristic that requirements of the permit may contain phased source area control compliance schedules. NR 216.24(3)(a)(a) The department may allow a permittee to participate in a program to assist the facility with maintaining compliance with an industry-specific permit. The department may waive certain requirements of this subchapter via permit in exchange for alternative requirements such as mandatory education and a facility inspection program that the department finds to be equivalent or more effective at controlling pollution from storm water runoff. NR 216.24(3)(b)(b) The department may terminate a cooperative compliance program if it finds that the program is ineffective. NR 216.24 HistoryHistory: CR 03-028: cr. Register July 2004 No. 583, eff. 8-1-04. NR 216.25(1)(1) Permit requirements. Requirements of an individual WPDES permit issued under s. 283.31 or 283.33, Stats., shall be consistent with similar requirements in general storm water discharge permits, except where the department determines that more stringent requirements are necessary to meet a performance standard of ch. NR 151 or a water quality standard. The department may require that specific source area controls be used as a requirement of an individual permit. NR 216.25(2)(2) Effluent limitations. A facility covered by an individual WPDES storm water permit under s. 283.33 (1) (d), Stats., may be subject to an effluent limitation for a point source discharge, as defined in s. 283.01 (6), Stats., for storm water discharge. NR 216.25(3)(3) Individual permit coverage. If it determines that one or more of the following conditions are met, the department may require that a storm water discharge be covered by an individual WPDES permit under s. 283.31 or 283.33, Stats.: NR 216.25(3)(a)(a) The storm water discharge is a significant source of pollution and more appropriately regulated by an individual WPDES storm water permit. NR 216.25(3)(b)(b) The storm water discharger is not in compliance with the terms and conditions of this chapter, or a general storm water discharge permit issued under this subchapter. NR 216.25(3)(c)(c) Effluent limitations or standards are promulgated for a storm water discharge. NR 216.25(4)(4) Petition. Any person may submit a written request to the department that it take action under this section. NR 216.25(5)(5) Revocation of general permit coverage. If the department determines that an industrial facility should be covered by an individual WPDES permit, the department shall explain its decision in writing to the permittee prior to revoking general permit coverage and issuing an individual WPDES permit. NR 216.25 HistoryHistory: CR 03-028: cr. Register July 2004 No. 583, eff. 8-1-04. NR 216.27NR 216.27 Storm water pollution prevention plan. NR 216.27(1)(1) Applicability. Any person who owns or operates an industrial activity with a storm water discharge subject to the applicability requirements of s. NR 216.21 (2) that does not qualify for a no exposure certification under s. NR 216.21 (3) shall prepare and implement an SWPPP under this section. NR 216.27(2)(2) Incorporation by reference. When plans are developed or activities conducted in accordance with other federal, state or local regulatory programs that meet the requirements of this section, the plans may be incorporated into the SWPPP by reference. NR 216.27(3)(3) Plan requirements. The SWPPP shall contain, at a minimum, the following items and provisions: NR 216.27(3)(a)(a) The SWPPP shall identify by job title the specific individual who has primary responsibility for all aspects of SWPPP development and implementation and identify any other individuals concerned with SWPPP development or implementation, and their respective roles. The specific individual who has primary responsibility shall develop, evaluate, maintain and revise the SWPPP; and carry out the specific management actions identified in the SWPPP, including: maintenance practices, monitoring activities, preparing and submitting reports and serving as facility contact for the department. NR 216.27(3)(b)(b) The SWPPP shall contain a short summary of the major activities conducted at various locations throughout the facility. NR 216.27(3)(c)(c) The SWPPP shall include a drainage base map depicting all of the following: NR 216.27(3)(c)1.1. How storm water drains on, through and from the facility to groundwater, surface water or wetlands. NR 216.27(3)(c)3.3. A depiction of the storm drainage collection and disposal system including all surface and subsurface conveyances. NR 216.27(3)(c)5.5. The location of all outfalls that discharge channelized flow to surface water, ground water or wetlands, including outfalls recognized as permitted outfalls under another WPDES permit, numbered for reference. NR 216.27(3)(c)7.7. The surface area in acres draining to each outfall, including the percentage that is impervious such as paved, roofed or highly compacted soil, and the percentage that is pervious such as grassy areas and woods. NR 216.27(3)(c)9.9. The name and location of receiving waters. Also identify receiving waters, including downstream waters, that are designated as ERW, ORW, or impaired waters. NR 216.27(3)(c)10.10. The location of activities and materials that have the potential to contaminate storm water. NR 216.27(3)(d)(d) The SWPPP shall summarize any results of available storm water sampling data or other observations that characterize the quality of storm water discharges or identifying sources of storm water contamination. Available data that characterizes the quality of storm drainage discharges under dry weather flow conditions shall also be included, except when the data has been or will be reported to the department under another WPDES permit. NR 216.27(3)(e)(e) The SWPPP shall identify all potential source areas of storm water contamination including: NR 216.27(3)(e)6.6. Material handling sites including storage, loading, unloading, transportation, or conveyance of any raw material, finished product, intermediate product and by-product or waste areas. NR 216.27(3)(e)7.7. Storage areas for raw materials, finished and intermediate products including tank farms. NR 216.27(3)(e)9.9. Areas containing residual pollutants from past industrial activity. NR 216.27(3)(e)13.13. Washing areas for equipment, vehicles, containers or other material. NR 216.27(3)(f)(f) Specific pollutants likely to be present in storm water as a result of contact with source areas identified in par. (e) shall also be listed. NR 216.27(3)(g)(g) The SWPPP shall identify all contaminated and uncontaminated sources of non-storm water discharges to the storm sewer system and indicate which are covered by WPDES permits. The SWPPP shall contain the results of the non-storm water discharge monitoring required by s. NR 216.28. If monitoring is not feasible due to the lack of suitable access to an appropriate monitoring location, the SWPPP shall include a statement that the monitoring could not be conducted and an explanation of the reasons why. NR 216.27(3)(h)(h) The SWPPP shall rely to the maximum extent practicable, and to the extent it is cost effective, on the use of source area control best management practices that are designed to prevent storm water from becoming contaminated at the site. Source area control best management practices that are either proposed or in place at the facility shall be indicated on the facility drainage base map. The SWPPP shall provide for the use of the following applicable source area control best management practices: NR 216.27(3)(h)2.2. Good housekeeping measures, preventive maintenance measures, visual inspections, spill prevention and response measures and employee training and awareness. NR 216.27(3)(h)3.3. Covering or enclosing salt storage piles so that neither precipitation nor storm water runoff can come into contact with the stored salt; or, for facilities that use brine and have salt storage piles on impervious curbed surfaces, a means of diverting contaminated storm water to a brine treatment system for process use. NR 216.27(3)(h)4.4. Use of a combination of precipitation control, containment, drainage controls or diversions to control section 313 water priority chemicals potentially discharged through the action of storm water runoff, leaching or wind. NR 216.27(3)(i)(i) The SWPPP shall maintain best management practices necessary to maintain compliance with the performance standards in s. NR 151.12 for those areas that are described in s. NR 151.12 (2). NR 216.27(3)(j)(j) The SWPPP shall identify pollutants that are likely to contaminate storm water discharges to waters of the state following implementation of source area control best management practices. Past sampling data collected at the facility or at sufficiently similar outfalls at other facilities may be used in making this determination. At a minimum, all of the following pollutants shall be considered for their potential to contaminate storm water: NR 216.27(3)(j)1.1. Any pollutant for which an effluent limitation is contained in any WPDES permit issued to the facility by the department. NR 216.27(3)(j)2.2. Any pollutant contained in a categorical effluent limitation or pre-treatment standard to which the facility is subject. NR 216.27(3)(j)3.3. Any section 313 water priority chemical for which the facility has reporting requirements and which has the potential for contaminating storm water.
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Department of Natural Resources (NR)
Chs. NR 200-299; Environmental Protection – Wisconsin Pollutant Discharge Elimination System
section
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