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

  • aerial view of Boulder Hills

    New Hampshires first porous asphalt road located at the Boulder Hills subdivision, Pelham, NH, Installed Fall 2009.

  • field in Dover, NH

    Berry Brook Channel Restoration and Daylighting, Dover, NH. Since approximately 1888 the headwaters of Berry Brook was piped downstream. As part of an urban watershed renewal effort beginning in 2011, stream and wetland restoration in combination with LID stormwater management is being implemented.

  • working shoreline, Portsmouth NH
  • workers installing blocks on site

    Installation of permeable interlocking concrete pavers at Hood House, University of New Hampshire, taken in Summer of 2010

News & Announcements

  • 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

  • UNH Stormwater Center Develops a Hybrid Bioretention Template

    The University of New Hampshire Stormwater Center (UNHSC) has developed an innovative hybrid bioretention template for use by municipalities and others to address stormwater runoff and achieve pollutant load reductions.

    You can download the hybrid bioretention standard detail here: UNHSC Hybrid Bio Detail 

  • Credit for Going Green

     

    The UNH Stormwater Center co-created to help New Hampshire communities meet water quality standards through the use of buffers. 

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 »