The US EPA's National Stormwater Calculator provides a regionalized, planning-level cost estimation tool for LID stormwater practices in the United States that has been recently updated. For an article describing the updated tool see Bernagros et al. (2021) <ref> 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 for Sustainable Water in the Built Environment.7 (2): 04020021. https://ascelibrary.org/doi/10.1061/JSWBAY.0000934 </ref>. | The US EPA's National Stormwater Calculator provides a regionalized, planning-level cost estimation tool for LID stormwater practices in the United States that has been recently updated. For an article describing the updated tool see Bernagros et al. (2021) <ref> 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 for Sustainable Water in the Built Environment.7 (2): 04020021. https://ascelibrary.org/doi/10.1061/JSWBAY.0000934 </ref>. |