Laserfiche WebLink
The "S" term can be expressed in terms of the runoff index, or curve number (CN). <br />The graph below, demonstrates the increased amount of runoff generated by different land use types. This <br />chart clearly demonstrates why a parking lot (with runoff of approximately 1.7 inches) should pay more per <br />acre than a single - family home with runoff of approximately 0.3 inches. The calculations below are based <br />upon a 2 inch rainfall in an area with sandy soils. <br />Runoff <br />(Inches) <br />1.80- <br />1.60- <br />1.40 - <br />1.20- <br />1.00- <br />0.80- <br />0.60- <br />0.40- <br />0.20- <br />NRCS /SCS Runoff Model <br />0.00 - u,_ —: i <br />oy oc oc o <br />Q° ca ca i0 <br />°° °° m <br />m <br />Q° <br />h J <br />Q Q__ <br />y <br />F moo` <br />Q`d <br />Cy &• <br />i <br />Jy <br />c <br />tV <br />U° <br />O <br />°j <br />Qm Assumptions: <br />P_2„ <br />Type B Soil <br />Soil Mosture Condition II <br />How Will the Utility Benefit Lino Lakes? <br />The utility benefits the community by providing a dedicated fund for surface water management activities, <br />including the required activities under the National Pollutant Discharge Elimination System (NPDES) Storm <br />Water Permit Program. In addition to the required Storm Water Pollution Prevention Plan (SWPPP) <br />activities, benefits may also be realized more generally in the following areas: <br />• Flood reduction and protection; <br />• Water quality improvements; <br />• Wetland protection and enhancement; <br />• Erosion and sediment control; <br />• Drainage system construction and maintenance; <br />• Community education; <br />• Improved fish and wildlife habitat; and <br />• Enhanced recreational opportunities. <br />Feasibility Study 112316 <br />City of Lino Lakes, Minnesota <br />