UNH Stormwater Center Develops Bioretention Template

The University of New Hampshire Stormwater Center (UNHSC) has developed an innovative bioretention template for use by municipalities and others to address stormwater runoff and achieve pollutant load reductions.

The template combines up-to-date generic design information for innovative bioretention systems with cost and pollutant load reduction curves developed by EPA Region 1 and TetraTech in close collaboration with UNHSC research staff. Details include general information about bioretention soil mix, performance curves, costs, and basic design guidance.

The template and supporting information are available through the UNHSC web site:




Bioretention installation, Durham, NH  (Photos: James Houle, UNHSC)


Funding for development of the bioretention template and the installation pictured above was provided, in part, by NOAA’s Office for Coastal Management under the Coastal Zone Management Act in conjunction with the NH Department of Environmental Services Coastal Program.

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