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<sup>1 - Based on 50-year P8 model run from January 1, 1955 through December 31, 2004 utilizing MSP climate data
 
<sup>1 - Based on 50-year P8 model run from January 1, 1955 through December 31, 2004 utilizing MSP climate data
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2 - Assumes stormwater storage volume for reuse equivalent to the average storm event runoff volume and that the application area is sufficient to handle an irrigation application rate of 1"/week over the application area & irrigation period from May through September</sup>
 
2 - Assumes stormwater storage volume for reuse equivalent to the average storm event runoff volume and that the application area is sufficient to handle an irrigation application rate of 1"/week over the application area & irrigation period from May through September</sup>
  
 
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Revision as of 18:48, 19 June 2013

Examples of the estimated runoff volume reduction for a stormwater reuse storage system sized for the average storm event runoff volume

Examples of the estimated runoff volume reduction for a stormwater reuse storage system sized for the average storm event runoff volume
Link to this table
Hydrologic Soil Group (HSG) Watershed Area (acre) Watershed Imperviousness Average Storm Event Runoff Volume1 Average Annual Runoff Volume Reduction2
B 10 10 0.05 21.4
30 0.10 26.4
50 0.16 24.0
70 0.21 21.9
90 0.26 21.3

1 - Based on 50-year P8 model run from January 1, 1955 through December 31, 2004 utilizing MSP climate data

2 - Assumes stormwater storage volume for reuse equivalent to the average storm event runoff volume and that the application area is sufficient to handle an irrigation application rate of 1"/week over the application area & irrigation period from May through September