Difference between revisions of "Summary of Annual BMP Maintenance Costs from Estimator Models"
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Revision as of 20:06, 15 April 2020
Link to this table
| BMP | USEPA (1999) As percent of construction cost(💲) | Weiss et al. (2005) As percent of construction cost(💲) | Wossink et al., (2003) C = Cost(💲) X = size of watershed(acre) |
|---|---|---|---|
| Constructed Wetlands | 2% | 4% - 14.2% | C = 4,502X0.153 |
| Wet Detention Basins | Not reported | 1.9% - 10.2% | C = 4,502X0.153 |
| Infiltration Trenches | 5% - 20% | 5.1% – 12.6% | Not reported |
| Bioretention Basins | 5% - 7% | 0.7% - 10.9% | C = 3,437X0.152 |
| Infiltration Basins | 1% - 10% | 2.8% - 4.9% | Not reported |
| Dry Ponds | <1% | 1.8% - 2.7% | Not reported |
| Sand Filters | 11% -13% | 0.9% - 9.5% | C = 10,556X0.534 |