2016-04-26_PWETC_AgendaPacket - Laserfiche WebLink

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Page 19 of 38 Permit No: MNR040000 b. Development and Implementation of BMPs for inventoried facilities and municipal operations Considering the source of pollutants and sensitivity of receiving waters (e.g., Outstanding Resource Value Waters (ORVWs), impaired waters, trout streams, etc.), the permittee shall develop and implement BMPs that prevent or reduce pollutants in stormwater discharges from the small MS4 and from: (1) All inventoried facilities that discharge to the MS4, and (2) The following municipal operations that may contribute pollutants to stormwater discharges, where applicable: (a) Waste disposal and storage, including dumpsters (b) Management of temporary and permanent stockpiles of materials such as street sweepings, snow, deicing materials (e.g., salt), sand and sediment removal piles (c) Vehicle fueling,washing and maintenance (d) Routine street and parking lot sweeping (e) Emergency response, including spill prevention plans (f) Cleaning of maintenance equipment, building exteriors, dumpsters, and the disposal of associated waste and wastewater (g) Use, storage, and disposal of significant materials (h) Landscaping, park, and lawn maintenance (i) Road maintenance, including pothole repair, road shoulder maintenance, pavement marking, sealing, and repaving (j) Right-of-way maintenance, including mowing (k) Application of herbicides, pesticides, and fertilizers (1) Cold-weather operations, including plowing or other snow removal practices, sand use, and application of deicing compounds c. Development and implementation of BMPs for MS4 discharges that may affect Source Water Protection Areas (Minn. R. 4720.5100-4720.5590) The permittee shall incorporate BMPs into the SWPPP to protect any of the following drinking water sources that the MS4 discharge may affect, and the permittee shall include the map of these sources with the SWPPP if they have been mapped: (1) Wells and source waters for DWSMAs identified as vulnerable under Minn. R. 4720.5205, 4720.5210, and 4720.5330 (2) Source water protection areas for surface intakes identified in the source water assessments conducted by or for the Minnesota Department of Health (MDH) under the federal Safe Drinking Water Act, U.S.C. §§300j—13 d. Pond Assessment Procedures and Schedule The permittee shall develop procedures and a schedule for the purpose of determining the TSS and TP treatment effectiveness of all permittee owned/operated ponds constructed and used for the collection and treatment of stormwater.The schedule (which may exceed this permit term) shall be based on measureable goals and priorities established by the permittee.