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

This page was last modified on 20 December 2017, at 14:53.

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