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Estimating regionalized planning costs of green infrastructure and low-impact development stormwater management practices
Updates to the US Environmental Protection Agency's national stormwater calculator
Bernagros, J. T., Pankani, D., Struck, S. D., & Deerhake, M. E. (2021). Estimating regionalized planning costs of green infrastructure and low-impact development stormwater management practices: Updates to the US Environmental Protection Agency's national stormwater calculator. Journal of Sustainable Water in the Built Environment, 7(2), Article 04020021. https://doi.org/10.1061/jswbay.0000934
Estimating regional costs of green infrastructure (GI) and low-impact development (LID) stormwater management controls is an important issue for many municipalities and water utilities in the United States. The National Stormwater Calculator (NSWC) is a site-scale, planning-level tool. A regional cost estimation methodology was recently added to the NSWC, enabling users to estimate region-specific capital and maintenance costs of commonly used GI controls. This paper discusses the approach used to estimate and regionalize costs in the NSWC.