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Cl-iAP'~'ER FO <br />NORM ~VA'~'~R. l3R~INAG~ <br />SECTION: <br />503.01: Storm Water Drainage Utility <br />803.02: Connection to Storm Sewers <br />803.01: STORM WATIER DRAINAGE UTILITY: <br />A. )stablishment: The Municipal storm sewer system shall be operated as a public <br />utility pursuant to Minnesota Statute, section 444.075, from. which revenues will be <br />derived subject to the provisions of this Section and Minnesota statutes. The storm <br />water drainage utility will be part of the Public Works Department and under the <br />administration of the Public Works Director. <br />B. Definition: "Residential equivalent factor; {REF)" -One REF is defined as the ratio <br />of the average volume of runoff generated by one acre of a given land use to the <br />average volume of runoff generated by.one acre of typical single-family residential <br />land during a standard one year rainfall event. <br />C. Fees: Storm water drainage fees for parcels of land shall be determined by <br />multiplying the REF for a parcel's land use by the parcel's acreage and. then <br />multiplying the REF for a parcel's land use by the parcel's acreage and then <br />multiplying the resulting product by the storm water drainage rate. The REF values <br />for various land uses are as follows ~ <br />Far the purpose of calculating storm water drainage fees, all developed one-family <br />and duplex parcels shall be considered to have an acreage of one-third (113) acre. <br />The storm water drainage rate used to calculate the actual charge per property shall <br />be established by City Council Resolution. <br />D. Credits: The City Council may adopt policies recommended by the Public Works <br />Director, by resolution, for adjustment of the storm water drainage fee for parcels <br />based upon hydrologic data. to be supplied by property owners, which data <br />demonstrates a hydrologic response substantially different from the standards. Such <br />adjustments of storm water drainage fees shall not be made retroactively. <br />~ CLASSIFICATION LAND USES REF <br />1 Cemeteries golf courses <br />2 Parks with parking Facilities <br />0.25 <br />0.75 <br />3 Single-family and duplex residential 1.00 <br />4 Public & private school, community center 1.25 <br />5 Multiple-family residential, churches & government buildings 2.50 <br />6 Commercial, industrial, warehouse 5.00 <br />7 Improved vacant As Assigned <br />