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

  • working shoreline, Portsmouth NH
  • field in Dover, NH

    Berry Brook Channel Restoration and Daylighting, Dover, NH. Since approximately 1888 the headwaters of Berry Brook was piped downstream. As part of an urban watershed renewal effort beginning in 2011, stream and wetland restoration in combination with LID stormwater management is being implemented.

  • Aerail View of Greenland Meadows

    Greenland Meadows commerical shopping center using porous asphalt and gravel wetlands, Greenland, NH, installed Summer 2008.

  • 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 »