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(6) Stormwater runoff must be pretreated to remove solids <br />before discharging to infiltration areas to maintain the long <br />term viability of the infiltration areas. <br />(7) Design and placement of infiltration BMPs shall be done in <br />accordance with the Minnesota Department of Health <br />guidance called "Evaluating Proposed Stormwater <br />Infiltration Projects in Vulnerable Wellhead Protection <br />Areas." (Final version to govern.) <br />(8) Specific site conditions may make infiltration difficult, <br />undesirable, or impossible. Some of these conditions are <br />listed in Table 2 and may qualify the applicant for <br />Alternative Compliance Sequencing. The applicant may <br />also submit a request to the City for Alternative <br />Compliance Sequencing for site conditions not listed <br />below. All requests shall indicate the specific site <br />conditions present and a grading plan, utility plan, and the <br />submittal requitement listed in the table below. <br />Table 2. Alternative Com liance Site Conditiots* _ <br />Tye S ecific Site Conditions Submittal Re uirements <br /> Potential Stormwater Hotspots <br />PSHs PSH locations and flow paths <br />Potential Contamination Contaminated Soils State Permitted Brownfield <br />Documentation, Soil Borin s <br /> <br /> Low Permeabilit T e D Soils Soil Borin s <br /> Bedrock within 3 vertical feet of <br />bottom of infiltration area Soil Borings <br />Physical Limitations Seasonal High Groundwater <br />within 3 vertical feet of bottom of <br />intltration area Soii Borings <br /> Karst Areas Soil Borin s <br /> <br /> Utilit Locations Site Ma <br />Land Use Limitations Adjacent Wells Well Locations <br />* Alternative Conpliance is allowed for the volume reduction portion only. <br />Alternative Compliance Sequencing. To the maximum extent <br />practicable, the volume reduction standard shall be fully met onsite. <br />.Stnrrnwpler O~•dinancc 925- 8 <br />10 <br />