UNHSC logo

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

  • working shoreline, Portsmouth NH
  • 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.

  • Aerail View of Greenland Meadows

    Greenland Meadows commerical shopping center using porous asphalt and gravel wetlands, Greenland, NH, installed Summer 2008.

  • black and white architectural view of columns and bridge

    Historic Dover Water Works sand filter circa 1908, site of future Berry Brook stream restoration and headwaters reconstruction.

News & Announcements

  • 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. 

  • System Sizing

    Research results from a two year monitoring project that evaluated green infrastructure retrofit systems reveal significant volume reductions in the field compared to modeled performance estimates.

     

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 »