UNHSC logo

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

  • drainage site on campus

    Low Cost Bioretention Retrofit, Installed 2009 on UNH Durham Campus. This project was very inexpensive due to the extensive use of existing drainage infrastructure. It is an example of low cost retrofit opportunities.

  • UNHSC Field Facilty
  • students posing with construction equipment

    School Street School students help install a raingarden, Rochester, NH, Fall 2010

  • Tree in Portsmouth

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

News & Announcements

  • UNHSC Director Dr. Tom Ballestero recieves Water Resource Innovation award

    During the International Low Impact Development Conference held in Portland Maine this past August, 2016 the conference committee presented the first International Low Impact Development Conference Water Resource Innovation Award.

  • 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.

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 »