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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.

  • wetland

    Gravel Wetland at the Greenland Meadows commerical shopping center, Greenland, NH, taken Summer 2009

  • aerial view of Boulder Hills

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

  • workers installing blocks on site

    Installation of permeable interlocking concrete pavers at Hood House, University of New Hampshire, taken in Summer of 2010

News & Announcements

  • UNHSC Develops resources for NH and MA MS4 Permit Compliance

    UNHSC in cooperation with EPA Region 1 staff have assembled a series of factsheets that summarize the 10 best management practices and associated performance curves developed for the new MA and NH MS4 permits.

  • Going the Distance

    The UNHSC and City of Dover collaboration to restore an urban residential watershed was recently highlighted in Land & Water Magazine!

    Read the article here:  Going the Distance

  • UNHSC releases its next report

    Breaking Through, the University of New Hampshire Stormwater Center's 2016 report is now available.  To download click here:

    Breaking Through, UNHSC 2016 Report

Recent Projects

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 »

Stormwater Standards for the future

UNHSC, in collaboration with VHB, SRPC and the Town of Durham recently completed a study modeling... More »