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STORM SEWER RATE TABLES-EFFECTIVE: APRIL 2005 <br /> 16 Storm Sewer Vacant Annual $19.20 These rates are used for residential <br /> properties that do not receive any <br /> 18 Storm Sewer Residential Annual $31.92 other type of utility billing from the <br /> City. At this time we are converting <br /> 17 Storm Sewer Residential Semi Ann. $15.96 all accounts to annual, to reduce <br /> actual billing costs to the City. <br /> 19 Storm Sewer Residential Quarterly $7.98 <br /> These rates are used for all parcels <br /> 40 Storm sewer-vacant monthly $1.60 that receive water Wor sewer billing <br /> as well as any `Commercial' <br /> 41 Storm sewer Residential monthly $8.00 properties that do not have water/ <br /> sewer. These are the base rates <br /> 42 Commercial storm sewer-Medium $18.40 calculated for a 1 acre parcel in each <br /> 43 Commercial storm sewer- Hard $32.00 category. <br /> When the Storm Sewer Utility was originally set up in 1998, The City was set up with 4 property <br /> categories: Vacant,Residential, Commercial-Medium, Commercial-Hard. <br /> These categories are based on the amount of impervious coverage a property has (NOT the <br /> zoning or land use classification). The `standard of practice' in Minnesota uses the average <br /> impervious coverage amounts as: <br /> Vacant 0% Residential 25% - 30% <br /> Commercial MD 55% - 60% Commercial HD 70% - 75% <br /> Impervious coverage is any area covered by; driveways(any type of pavement and/or dirt), <br /> sidewalks,pavers, structures,roofs, awnings, etc, as they do not allow storm water to be <br /> absorbed like natural grass,plants,brush, etc. allows) <br /> All Residential properties in the City were reviewed and to save the City enormous costs to <br /> calculate out every parcel, it was determined that the average residential parcel size was 1/3 (.33) <br /> acres in size. All other parcels are calculated on actual parcel acreage. <br /> Example: <br /> Residential MD Commercial HD Commercial <br /> Property A 1/3 acre (.33) 1/3 acre (.33) 1/3 acre(.33) <br /> Base rate: $8.00 $18.40 $32.00 <br /> Calculation: $8.00 x .33 = $18.40 x .33 = $32.00 x .33 = <br /> Actual Monthly <br /> Billing: $2.64 $6.07 $10.56 <br /> Residential MD Commercial HD Commercial <br /> Property B 1.64 acre 1.64 acre 1.64 acre <br /> Base rate- $8.00 $18.40 $32.00 <br /> Ca�r..:ation: $8.00 x .33 = $18.40 x 1.64= $32.00 x 1.64 <br /> .,-ctual Monthly <br /> Billing: $2.64 $30.17 <br />