Comparison of Annual Maintenance Cost Estimator Models to Study Data
Link to this table
| BMP | USEPA (1999) As percent of construction cost(💲) | Weiss et al. (2005) As percent of construction cost(💲) | This study Construction cost converted to 2010 💲 per ft3 of treated water volume) |
|---|---|---|---|
| Constructed Wetlands | 0.02 | 4% - 14.2% | No data |
| Wet Detention Basins | Not reported | 1.9% - 10.2% | 3.5% |
| Infiltration Trenches | 5% - 20% | 5.1% – 12.6% | 3.6% |
| Bioretention Basins | 5% - 7% | 0.7% - 10.9% | 8.3% |
| Infiltration Basins | 1% - 10% | 2.8% - 4.9% | No data |
| Infiltration Basins | 1.80 | Not reported | 21. |
| Dry Ponds | <1% | 1.8% - 2.7% | No data |
| Sand Filters | 11% -13% | 0.9% - 9.5% | No data |