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<br />www.pca.state.mn.us • 651-296-6300 • 800-657-3864 • Use your preferred relay service • Available in alternative formats <br />wq-strm2-47 • 9/27/18 Page 6 of 11 <br />Yes N/A Temporary sediment basins (continued): <br />If yes: <br />Yes N/A <br /> Basins must be designed to prevent <br /> short circuiting <br /> Basins must have a stabilized emergency <br />overflow <br /> Basins must be situated outside of surface <br />waters and any required buffer zones <br /> <br /> Notes <br /> <br /> <br />Yes N/A Permanent stormwater treatment system: <br /> Include calculations for the permanent stormwater <br />treatment system (water quality volume of one inch <br />times the net increase of impervious surfaces created <br />by the project to be retained on site) <br /> Volume reduction practices must be considered first <br /> Is infiltration prohibited due to the practice being <br />constructed in or receiving discharges from one of the <br />following? <br />Yes N/A <br /> Areas where vehicle fueling and <br /> maintenance occur <br /> Areas with less than three (3) feet of <br /> separation distance from the bottom of the <br />infiltration system to the seasonally <br />saturated soils or the top of bedrock <br /> Areas where industrial facilities are not <br /> authorized to infiltrate industrial stormwater <br />under a National Pollutant Discharge <br />Elimination System (NPDES)/State <br />Disposal System (SDS) Industrial <br />Stormwater Permit issued by the MPCA: <br /> Automobile salvage yards <br /> Scrap recycling and waste recycling <br />facilities <br /> Hazardous waste treatment, storage or <br />disposal facilities <br /> Air transportation facilities that conduct <br />deicing activities <br /> Areas where high levels of contaminants in <br />soil or groundwater may be mobilized by <br />the infiltrating stormwater <br /> Areas of predominantly Hydrological <br /> Soil Group D (clay) soils <br /> Areas within 1,000 feet upgradient, or 100 <br />feet downgradient of active karst features <br /> Areas within a Drinking Water Supply <br />Management Area (DWSMA) as defined in <br />Minn. R. 4720.5100, subp. 13, if the system <br />will be located in: <br /> An Emergency Response Area (ERA) <br />within a DWSMA classified as having <br />high or very high vulnerability <br /> An ERA within a DWSMA classified as <br />having moderate vulnerability unless a <br />regulated MS4 Permittee has performed <br />or approved a higher level of <br />engineering review <br /> <br /> Notes <br />