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1.0 City of Lino Lakes Storm Water Utility Proposed City Policy <br />1.1 Policy Statement <br />All properties within the City of Lino Lakes, except those specifically <br />identified as exempt in Section 404 of City Code, shall contribute to the <br />Storm Water Utility in an amount proportional to the runoff contributed by <br />each particular parcel. <br />1.2 Fee Basis <br />Land Use - Land use for determining storm water utility fees shall be the <br />existing land use at the date of enactment of the Storm Water Utility <br />Ordinance. As land is developed, or redeveloped, the fees will be re- <br />computed based on the revised land use. If downstream facilities (storm <br />sewers, ponds, etc.) have been developed in anticipation of future <br />development, undeveloped property served by the downstream facilities shall <br />be treated as fully developed. <br />Soils - Natural Resources Conservation Services (NRCS) - Type B soils shall <br />be assumed for determining the runoff index (CN) in the revenue equation. <br />Rainfall (P) - A 2 -inch rainfall will be used in the revenue equation. Runoff <br />Indices (CN) - The runoff indices for the property classifications are as <br />follows: <br />Table 1 <br />Runoff Indices <br />Land Use <br />Runoff Index <br />(CN) <br />Residential <br />70 <br />Townhomes /Condos <br />77 <br />High Density <br />85 <br />Industrial <br />88 <br />Institutional <br />88 <br />Commercial <br />92 <br />Parks /Open Space /Cemeteries <br />EXEMPT <br />Road Right -of -Way <br />EXEMPT <br />Lakes /Streams /Wetlands <br />EXEMPT <br />Undeveloped <br />EXEMPT <br />Revenue Equation - The revenue equation for computing the runoff volume <br />(Q) shall be based on the runoff equation in the Soil Conservation Service <br />(SCS) National Engineering Handbook Section 4 - Hydrology. The equation <br />is as follows: <br />Q = (P- 0.2S)2 <br />P + 0.8S <br />where S = (1000 /CN) - 10 <br />and P = 2" <br />