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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 10 of 11 <br />Yes N/A Additional requirements for discharges to Special (Prohibited, Restricted, Other) and Impaired Waters: <br /> Does this site drain to a discharge point on the project that is within one aerial mile of a Special or Impaired Water? <br />Which type of special or <br />impaired water? BMP category Notes <br />Prohibited waters <br /> Wilderness areas <br />23.9, 23.10, 23.11, <br />23.13, 23.14 <br /> Part of Lake Superior <br />23.9, 23.10, 23.11, <br />23.13, 23.14 <br /> Scientific and natural areas <br />23.9, 23.10, 23.11, <br />23.13, 23.14 <br />Restricted waters <br /> <br /> Lake Superior (apart from <br />Prohibited) <br />23.9, 23.10, 23.11 <br /> Scenic and recreational <br />river segments <br />23.9, 23.10, 23.11 <br /> Lake Trout lakes 23.9, 23.10, 23.11 <br /> Calcareous fens 23.9, 23.10, 23.11 <br />Other special waters <br /> <br /> Trout lakes 23.9, 23.10, 23.11 <br /> Trout streams <br />23.9, 23.10, 23.11, <br />23.12 <br />Impaired water <br /> <br /> Impaired for phosphorus, <br />turbidity, TSS, dissolved <br />oxygen or aquatic biota <br />23.9, 23.10 <br /> <br />BMP category Requirement Notes <br /> 23.9 <br />Stabilization initiated immediately and <br />completed within seven days <br /> <br /> 23.10 <br />Temporary sediment basin provided for <br />areas of five acres or more that drain to <br />a common location <br /> 23.11 <br />Include and maintain at all times an <br />undisturbed buffer zone of not less <br />than 100 linear feet from a special <br />water <br /> 23.12 Temperature controls <br /> 23.13 <br />Conduct routine site inspections once <br />every three days when draining to <br />Prohibited Waters <br /> 23.14 If discharges to prohibited waters <br />cannot provide volume reduction equal <br />to one inch times the net increase of <br />impervious surfaces, permittees must <br />develop a permanent stormwater <br />treatment system design that will result <br />in no net increase of TSS or <br />phosphorus to the prohibited water <br />