Difference between revisions of "Annual volume treated as a function of soil and water quality volume"
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Revision as of 18:55, 15 July 2015
Annual volume, expressed as a percent of annual runoff, treated by a BMP as a function of soil and water quality volume. See footnote1 for how these were determined.
Link to this table
| Soil | Water quality volume (VWQ) (inches) | ||||
|---|---|---|---|---|---|
| 0.5 | 0.75 | 1.00 | 1.25 | 1.50 | |
| A (GW) | 84 | 92 | 96 | 98 | 99 |
| A (SP) | 75 | 86 | 92 | 95 | 97 |
| B (SM) | 68 | 81 | 89 | 93 | 95 |
| B (MH) | 65 | 78 | 86 | 91 | 94 |
| C | 63 | 76 | 85 | 90 | 93 |
1Values were determined using the MIDS calculator. BMPs were sized to exactly meet the water quality volume for a 2 acre site with 1 acre of impervious, 1 acre of forested land, and annual rainfall of 31.9 inches.