UNHSC logo

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

  • Exterior view of building

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

  • Tree in Portsmouth

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

  • day-lighted headwaters, berry brook, Dover NH
  • students posing with construction equipment

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

News & Announcements

  • 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

  • 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.

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 »