Difference between revisions of "Examples of the estimated runoff volume reduction for a stormwater reuse storage system sized for the average storm event runoff volume"
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Revision as of 18:48, 11 July 2022
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 Volume (acre-ft)1 | 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