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. NR 216.27(3)(j)4.4. Any other toxic or hazardous pollutants from present or past activity at the site that remain in contact with precipitation or storm water and which could be discharged to the waters of the state and which are not regulated by another environmental program. NR 216.27(3)(j)5.5. Any of the following parameters that might be present in significant concentrations: oil and grease; acids or bases; total suspended solids; 5-day biological oxygen demand; chemical oxygen demand. NR 216.27(3)(j)6.6. Any pollutant identified as contributing to the impairment if the facility discharges to an impaired water. NR 216.27(3)(k)(k) When source area control best management practices are not feasible, not cost effective or are inadequate to control storm water pollution, or when the department determines source area control best management practices are inadequate to achieve a water quality standard, the SWPPP shall prescribe appropriate storm water treatment practices as needed to reduce the pollutants in contaminated storm water prior to discharge to waters of the state. Proposed or existing storm water treatment practices shall be shown on the facility drainage basin map. The SWPPP shall provide for the following types of storm water treatment practices: NR 216.27(3)(k)1.1. Storm water significantly contaminated with petroleum products shall be treated for oil and grease removal by an adequately sized, designed and functioning wastewater treatment device. Coverage under an individual or general WPDES permit is required for discharges of storm water from oil/water treatment devices. NR 216.27(3)(k)2.2. Point source discharges of storm water contaminated by significant amounts of sediment from eroding areas, including bare earth industrial lots and ongoing industrial processes, shall be treated by filtration or settling type practices. NR 216.27(3)(L)(L) The SWPPP shall include provisions for complying with the monitoring requirements specified in s. NR 216.28. The SWPPP shall include a checklist of inspections to be made during the annual facility site inspection described in s. NR 216.28 (2). The SWPPP shall also identify for each outfall the type of monitoring that will be conducted, such as non-storm water discharge monitoring; storm water discharge quality inspections; or chemical pollutant monitoring for facilities covered under a tier 1 permit. The following are requirements for facilities covered under a tier 1 permit: NR 216.27(3)(L)1.1. A list of chemical parameters proposed for testing at each outfall shall be included along with the analytic sample testing procedures from ch. NR 219 that will be used to determine pollutant concentrations. NR 216.27(3)(L)2.2. The list of chemical parameters shall include each of the residual pollutants identified in par. (j), or an explanation of why the pollutant should not be included in the chemical testing. NR 216.27(3)(m)(m) The SWPPP shall include an implementation schedule that is consistent with the compliance schedule in the general storm water discharge permit. NR 216.27(4)(4) Plan amendment. A permittee shall amend an SWPPP if any of the following circumstances occur: NR 216.27(4)(a)(a) When expansion, production increases, process modifications, changes in material handling or storage or other activities are planned which will result in significant increases in the exposure of pollutants to storm water discharged either to waters of the state or to storm water treatment devices. The amendment shall contain a description of the new activities that contribute to the increased pollutant loading, planned source control activities that will be used to control pollutant loads, an estimate of the new or increased discharge of pollutants following treatment and, when appropriate, a description of the effect of the new or increased discharge on existing storm water treatment facilities. NR 216.27(4)(b)(b) The facility finds through its comprehensive annual facility site compliance inspection, quarterly visual inspection of storm water quality, annual chemical storm water sampling or other means that the provisions of the SWPPP are ineffective in controlling storm water pollutants discharged to waters of the state. NR 216.27(4)(c)(c) Upon written notice that the department finds the SWPPP to be ineffective in achieving the conditions of the storm water discharge permit applicable to the facility. NR 216.27 HistoryHistory: CR 03-028: cr. Register July 2004 No. 583, eff. 8-1-04; CR 21-027: am. (1), (3) (c) 9., cr. (3) (j) 6. Register March 2022 No. 795, eff. 4-1-22; correction in (1) made under s. 35.17, Stats., Register March 2022 No. 795. NR 216.28(1)(1) Non-storm water discharges. The permittee shall evaluate all outfalls for non-storm water discharges into the storm drainage system beginning in the first year of permit coverage. Evaluations shall take place during dry periods. The following are additional requirements for evaluating non-storm water discharges: NR 216.28(1)(a)(a) Any monitoring shall be representative of non-storm water discharges from the facility. NR 216.28(1)(b)(b) One of the following monitoring procedures shall be followed: NR 216.28(1)(b)1.1. End of pipe screening shall consist of visual observations made at least twice per year at each outfall of the storm sewer collection system. Observations shall be made at times when non-storm water discharges from the facility are considered most likely to occur. Instances of dry weather flow, stains, sludges, color, odor or other indications of a non-storm water discharge shall be recorded; or NR 216.28(1)(b)2.2. A detailed testing of the storm sewer collection system may be performed. Testing methods include dye testing, smoke testing or video camera observation. Should the permittee use detailed testing as an alternative, the department shall require a re-test after 5 years or a lesser period as deemed necessary by the department. NR 216.28(1)(c)(c) All permitted facilities shall maintain the results of their non-storm water evaluations on site. Facilities shall report the results of the initial non-storm water evaluations to the department within the SWPPP summary form required pursuant to s. NR 216.29 (1) (e). Information reported shall include date of testing, test method, outfall location, testing results and potential significant sources of non-storm water discovered through testing. NR 216.28 NoteNote: The department storm water pollution prevention summary Form 3400-167 contains a table for recording the results of the non-storm water discharge evaluations.
NR 216.28(1)(d)(d) Any permittee unable to evaluate outfalls for non-storm water discharges shall sign a statement certifying that this requirement could not be complied with, and include a copy of the statement in the SWPPP. The statement shall be submitted to the department. NR 216.28(1)(e)(e) If a permittee identifies an unauthorized discharge of pollutants, the permittee shall immediately cease the discharge and contact the department to determine if a permit is required under s. 283.31 or 283.35, Stats. NR 216.28(2)(2) Annual site inspections. Permittees under this subchapter shall perform and document the results of an annual facility site compliance inspection. The inspection shall be adequate to verify that the site drainage conditions and potential pollution sources identified in the SWPPP remain accurate, and that the best management practices prescribed in the SWPPP are being implemented, properly operated and adequately maintained. Information reported shall include the inspection date, inspection personnel, scope of the inspection, major observations and revisions needed in the SWPPP. NR 216.28(3)(3) Quarterly visual inspection. Permittees under this subchapter shall perform and document quarterly visual inspections of storm water discharge quality at each outfall. Inspections shall be conducted within the first 30 minutes or as soon thereafter as practical, but not to exceed 60 minutes, after runoff begins discharging at the outfall. The inspections shall include any observations of color, odor, turbidity, floating solids, foam, oil sheen or other obvious indicators of storm water pollution. Information documented shall include: the inspection date, inspection personnel, visual quality of the storm water discharge and probable sources of any observed storm water contamination. NR 216.28(4)(4) Storm water sampling and analysis. Unless an alternative monitoring plan is required as part of the SWPPP, owners or operators of facilities covered under a tier 1 general permit issued under this subchapter or an individual WPDES permit issued under s. 283.31, Stats., containing tier 1 general permit requirements, or individual storm water discharge permits issued under s. 283.33 (1) (a) and (d), Stats., shall perform annual chemical storm water sampling at each outfall for those residual pollutants listed in the permittee’s SWPPP as required by s. NR 216.27 (3) (j). The following are specific requirements for chemical storm water monitoring: NR 216.28(4)(a)(a) The list of pollutants to be tested in the discharge at the outfall shall be identified in the facility monitoring plan portion of the SWPPP. NR 216.28(4)(b)(b) When a facility has more than one outfall which have storm water discharges substantially similar based on consideration of industrial activity, significant materials and management, one outfall may be selected to represent the group of similar outfalls provided that this strategy has been clearly stated in the facility monitoring plan and that the representative outfall is clearly identified as such on the drainage base map. No more than 5 outfalls with discharges representative of storm water discharged from the facility need to be sampled. NR 216.28(4)(c)(c) After review of the facility monitoring plan portion of the SWPPP, the department shall add additional pollutants to the monitoring list if it has cause to do so based on a reasonable probability that the pollutants will be present in storm water discharges from the facility. The department shall remove pollutants from the monitoring list if it determines that continued monitoring for the pollutant serves no further purpose. Chemical monitoring may be discontinued after submitting the second round of chemical monitoring results to the department with the annual facility site compliance inspection report unless the department directs the permittee otherwise. The department shall require additional chemical sampling within a tier 1 general permit for industrial facilities where chemical monitoring has shown a reasonable potential that the storm water discharge from an individual facility or a type of industry will exceed a water quality standard. NR 216.28(4)(d)(d) Storm water samples shall be collected during the period of March through November from rainfall events that produce greater than 0.1 inch of rainfall and occur at least 72 hours after a previous rainfall of 0.1 inch or greater. NR 216.28(4)(e)(e) Storm water samples shall be representative of the “first flush” of storm water runoff at the outfall using one of the following sampling methods: NR 216.28(4)(e)1.1. Composite sample shall be collected during the first 30 minutes of runoff. At least 3 separate samples shall be collected for compositing, and the collection of samples shall be evenly spaced throughout the sampling period. Composite samples are required for all pollutants except those for which analytic techniques require grab samples. NR 216.28(4)(e)2.2. A grab sample is required for all pollutants in storm water discharged from a detention pond or other structure that has greater than a 24-hour holding time for a representative storm. The grab sample shall be representative of the storm water discharge at the pond outfall. NR 216.28(4)(e)3.3. An alternative sampling collection time specified by the department if the department determines it is necessary to obtain a representation sample of storm water runoff from the site. NR 216.28(4)(f)(f) Monitoring samples shall be representative of the monitored discharge. Analytic testing shall be in conformance with ch. NR 219, unless an alternate procedure is approved by the department prior to the initiation of sampling. NR 216.28(4)(g)(g) For each storm water measurement or sample taken, the permittee shall record and submit the following information to the department in the annual facility site compliance inspection reports described in s. NR 216.29 (2): NR 216.28(4)(g)1.1. The date, exact place, method and time of sampling or measurements. NR 216.28(4)(g)4.4. The name of the certified laboratory which performed the analysis. NR 216.28(4)(g)7.7. The estimated duration of the rainfall event, in hours, and the estimated total amount of precipitation falling during the rainfall event, in inches. NR 216.28(5)(5) Monitoring exceptions. The department may waive specific monitoring requirements if one of the following applies: NR 216.28(5)(a)(a) An employee could not reasonably be present at the facility at the time of the snowmelt or runoff event, or those attempts to meet the monitoring requirement would endanger employee safety or well being. NR 216.28(5)(b)(b) There were no snow melt or runoff events large enough to conduct a quarterly visual inspection at an outfall. NR 216.28(5)(c)(c) The facility is inactive or remote, such as inactive mining operations where monitoring and inspection activities are impractical or unnecessary. At a minimum, the department shall establish an alternative requirement that the facilities make site inspections by a qualified individual at least once in every 3-year period. NR 216.28(5)(d)(d) The permittee can demonstrate to the department’s satisfaction that the sources of storm water contamination are outside of the facility’s property boundary and are not associated with the facility’s activities. The demonstration shall be presented in the SWPPP and submitted to the department for evaluation. NR 216.28 HistoryHistory: CR 03-028: cr. Register July 2004 No. 583, eff. 8-1-04. NR 216.29NR 216.29 Compliance and reporting requirements. NR 216.29(1)(a)(a) Owners or operators of proposed facilities that will have one acre or more of land disturbing construction activities as part of their construction, shall develop a SWPPP and submit either the SWPPP or a SWPPP summary to the department at least 14 working days prior to initiating land disturbing construction activities at the site or submit a no exposure certification to the department under s. NR 216.21 (3). NR 216.29 NoteNote: This timeline is consistent with the requirement to develop erosion control and storm water management plans and submit a notice of intent under subch. III.
NR 216.29(1)(b)(b) Owners or operators of other facilities shall develop a SWPPP and submit either the SWPPP or a SWPPP summary to the department prior to initiating industrial operations. NR 216.29(1)(d)(d) The SWPPP shall be kept at the facility and made available to the department upon request. NR 216.29(1)(f)(f) The department shall notify the permittee if it determines that the SWPPP summary is inadequate and may require the permittee to submit the SWPPP for review. NR 216.29(1)(g)(g) The SWPPP summary shall include the results of the non-storm water discharge evaluations required under s. NR 216.28 (1) and shall indicate whether the SWPPP includes a storm water treatment practice. If a SWPPP includes a storm water treatment practice, the department may require the submittal of plans and specifications for the storm water treatment practice for review and approval pursuant to s. 281.41 (1), Stats. NR 216.29(2)(2) Annual site inspection. The first annual facility site compliance inspection shall be conducted by the permittee within 12 months of the effective date of coverage under the general permit. Facilities covered under a tier 1 permit shall submit their first inspection report to the department within 18 months of the effective date of coverage under the permit and the second inspection report within 30 months of the effective date of permit coverage. The report shall be written on department forms, and shall contain information from the inspection, the quarterly visual inspection and the annual chemical monitoring. Facilities covered under the tier 2 permit shall keep the results of their annual facility site compliance inspection and quarterly visual inspections on site for department inspection. Facilities covered under a tier 1 permit are not required to submit inspection reports after submittal of the second inspection report, unless so directed by the department. However, these inspections and quarterly visual inspections shall still be conducted; and results shall be kept on site for department inspection. NR 216.29(3)(3) Inspection dates. The first quarterly visual inspection of storm water discharge quality shall be conducted within 3 months of the effective date of coverage under the permit. NR 216.29(4)(4) Chemical sampling dates. Owners and operators of facilities covered under a tier 1 permit shall submit annual chemical monitoring results with the compliance inspection report required under s. NR 216.28 (2) for the first 2 years following SWPPP implementation. The monitoring results shall include all of the information specified in s. NR 216.28 (4) (g). NR 216.29(5)(5) BMP implementation. Unless an alternate implementation schedule is identified in the permit, the BMPs identified in the SWPPP shall be implemented beginning at the start of industrial operations. NR 216.29(6)(6) SWPPP amendments. The permittee shall correct deficiencies in the original SWPPP. The permittee shall amend the SWPPP and notify the department in the event of any facility operational changes that could result in additional significant storm water contamination. NR 216.29(7)(7) Record retention. Records required under this subchapter shall be retained for 5 years beyond the date that the record was made and shall be made available to the department upon request. NR 216.29 HistoryHistory: CR 03-028: cr. Register July 2004 No. 583, eff. 8-1-04; CR 21-027: am. (1) (a), (b), (e), (g) Register March 2022 No. 795, eff. 4-1-22. NR 216.30(1)(1) A storm water discharge permit fee shall be paid annually by each industrial facility covered by or holding a permit under this subchapter or a wastewater discharge permit that incorporates storm water management requirements under this chapter. Permit fees are due June 30 of each year. The fee shall be either: NR 216.30(1)(a)(a) $260 for coverage under a tier 1 general industrial storm water discharge permit under s. NR 216.21 (2) (a), an industry-specific general industrial storm water discharge permit under s. NR 216.24 with tier 1 requirements, or an individual WPDES permit under s. 283.31, Stats., with tier 1 requirements, NR 216.30(1)(b)(b) $130 for coverage under a tier 2 general industrial storm water discharge permit under s. NR 216.21 (2) (b), an industry-specific general industrial storm water discharge permit under s. NR 216.24 or an individual WPDES permit under s. 283.31, Stats., with tier 2 requirements, or NR 216.30(2)(2) Notwithstanding sub. (1), no fee may be charged under this section for facilities that are regulated under a WPDES permit developed specifically to address discharges from non-metallic mining operations and that the department concurs are internally drained and no pollutants are exposed that could contaminate groundwater. A non-metallic mining operation is internally drained if all storm water that contacts disturbed areas or excavated material is directed to onsite seepage areas that are entirely confined and retained within the property boundaries of the site. NR 216.30 HistoryHistory: CR 03-028: cr. Register July 2004 No. 583, eff. 8-1-04. NR 216.31NR 216.31 Permit coverage transfers. A permittee who will no longer control the permitted industrial facility may request that permit coverage be transferred to the person who will control the industrial facility. The transfer request shall be completed on forms provided by the department as specified under s. NR 216.006 and signed by both the permittee and the new owner or operator. If the permittee’s signature cannot be obtained, the new owner or operator shall apply for coverage as specified under s. NR 216.22. The department may require additional information including a notice of intent to be filed prior to transferring permit coverage. Coverage is not transferred until the department sends notification of transfer approval to the new owner or operator. NR 216.32(1)(1) If the owner or operator of a facility no longer claims coverage under any general or individual permit for the discharge of storm water from industrial activity under this subchapter, the permittee shall submit a signed notice of termination to the department. NR 216.32(2)(2) A notice of termination shall be submitted on forms available from the department as specified under s. NR 216.006. Data submitted in the notice of termination forms shall be used as a basis for terminating coverage under this subchapter.
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Chs. NR 200-299; Environmental Protection – Wisconsin Pollutant Discharge Elimination System
administrativecode/NR 216.28(1)(c)
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