UNHSC logo

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

  • wetland

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

  • Aerail View of Greenland Meadows

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

  • UNHSC Field Facilty
  • 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.

News & Announcements

  • System Sizing

    Research results from a two year monitoring project that evaluated green infrastructure retrofit systems reveal significant volume reductions in the field compared to modeled performance estimates.

    Published in Water Environment Federation Stormwater Managmenet, spring 2018

    Weblink: Stormwater Article

  • EPA impressed by Dover’s Berry Brook restoration

    The city and the University of New Hampshire Stormwater Center, with financial assistance from the Dept. of Environmental Services, have completed numerous projects since developing an action plan a decade ago to improve the brook’s health.

  • MS4 Resources

    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.

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 »