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The UNH Stormwater Center (UNHSC) is dedicated to the protection of water resources through effective stormwater management.

  • parking lot and cars

    Municipal bioretention installed August 2010 at Pettee Brook Lane in Durham, NH, a collaboration of the USEPA, Town of Durham, and the UNHSC. This bioretention has been optimized for phosphorous and nitrogen removal.

  • black and white architectural view of columns and bridge

    Historic Dover Water Works sand filter circa 1908, site of future Berry Brook stream restoration and headwaters reconstruction.

  • aerial view of Boulder Hills

    New Hampshires first porous asphalt road located at the Boulder Hills subdivision, Pelham, NH, Installed Fall 2009.

  • Exterior view of building

    Bioretention installed June 2010 at the Horne Street Elementary School in partnership with the City of Dover, NHDES, and UNHSC.

News & Announcements

  • UNH and the Urban Forrestry Center provide guidance for stormwater street trees

    This is old but certainly still relevant if you are looking for guidance of tree filter performanc and tree selection.

    Final Report

  • UNH Stormwater Center Develops a Hybrid Bioretention Template

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

    You can download the hybrid bioretention standard detail here: UNHSC Hybrid Bio Detail 

  • Credit for Going Green

     

    The UNH Stormwater Center co-created to help New Hampshire communities meet water quality standards through the use of buffers. 

Recent Projects

Porous Pavement Rehabilitation Project

The UNH Stormwater Center in cooperation with Triverus and UNH Facilities conducted a product... More »

Berry Brook Project

The Berry Brook project in Dover NH is complete!  This partnership between NHDES, UNHSC and the... More »

Undersized GI System Performance

This report details results from two years of study of two undersized stormwater control measures.... More »