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

  • UNHSC Field Facilty
  • Aerail View of Greenland Meadows

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

  • Tree in Portsmouth

    Hodgson Brook Tree Filter, Portsmouth, NH, Installed 2010 with the Hodgson Brook Watershed Association, and the City of Portsmouth.

  • 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

  • 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 »