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

  • Tree in Portsmouth

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

  • 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.

  • 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

  • Clean Sweep Tech Memo & Outreach Toolkit Developed

    Recommendations for New and Updated
    Credits for Street Cleaning in New Hampshire

  • The New England Stormwater Retrofit Manual is now available!

    This manual has been developed by the University of New Hampshire Stormwater Center and VHB with financial support from the SNEP Network, a project of the New England Environmental Finance Center, and technical support from other SNEP Network partners, state agencies, and EPA Region 1.

     

  • UNH and the Urban Forrestry Center provide guidance for stormwater street trees

    This is old but certainly still relevant if you are looking for guidance of tree filter performanc and tree selection.

    Final Report

Recent Projects

Porous Pavement Rehabilitation Project

The UNH Stormwater Center in cooperation with Triverus and UNH Facilities conducted a product... More »

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 »