UNHSC logo

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

  • working shoreline, Portsmouth NH
  • Exterior view of building

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

  • 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

  • UNHSC Innovative Bioretention Template for pollutant reductions in the Great Bay Estuary Watershed

    As part of the Great Bay Estuary Municipal Bioretention Education, Resource Development and Implementation Project, Phase II, conducted by UNHSC and funded by NHDES and NHCP a template to promote project transfelability to other communities has been developed. 

  • Minimizing Environmental Impacts Through Stormwater Ordinance and Site Plan Regulation

    Through grant funding from the EPA Region 1 Polution Prevention program UNHSC managed a project to quantify the economic and water quality benefits of simple no cost measures to prevent stormwater pollution in the oyster river watershed.

  • EPA official tours stormwater projects at UNHSC

    Read the following article published durin Nancy Stoner's historic visit to Durham, NH: http://www.newhampshire.com/article/20130801/NEWS06/130809965/0/services

    Download the final project report here:  Durham Innovative Bioretention Study Final Report

Recent Projects

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 »

Greenland Mall, Packard Development and the Conservation Law Foundation, Greenland, NH

In 2007, Packard Development, the Conservation Law Foundation, UN HSC, and Gove Environmental... More »