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National Stormwater Calculator Unit and Regional Cost Equations and Data Variables

Published by U.S. EPA Office of Research and Development (ORD) | U.S. Environmental Protection Agency | Metadata Last Checked: August 02, 2025 | Last Modified: 2019-05-15
The spreadsheets that provide the unit and regional cost variables and equations for all of the green infrastructure and low impact development controls programmed into the National Stormwater Calculator. This dataset is associated with the following publications: Rossman, L., and J. Bernagros. NATIONAL STORMWATER CALCULATOR WEB APP USER’S GUIDE – VERSION 3.2.0 - manual. U.S. Environmental Protection Agency, Washington, DC, USA, 2019. Bernagros, J., D. Pankani, S. Struck , and M. Deerhake. 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. American Society of Civil Engineers (ASCE), New York, NY, USA, 7(2): 04020021-1, (2021).

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