Costs of best management practices and associated land for urban stormwater control

New methods are used to evaluate stormwater controls and best management practices (BMPs) within a land development context. Costs are developed using published literature and standard cost estimation guides. A method is developed in which costs are determined for each parcel within a development for specific land uses. The effect of including the opportunity cost of land in the analysis is evaluated. Costs attributable to stormwater controls are allocated among purposes. A method is developed in which stormwater control costs are assigned at the parcel level. Data gaps and research needs are then explored to address this complex problem.