1. American Water Resources Association Cahaba/Warrior Student Chapter
   http://www.eng.ua.edu/~awra/download.htm
   Two extensive databases are available for download from this site: a literature review containing over 4,000 references on urban runoff issues and management prepared by Dr. Robert Pitt; and water quality data from the U.S. Geological Survey and Environmental Protection Agency's National Urban Runoff Program.



2. Center for Watershed Protection's Stormwater Center
   http://www.stormwatercenter.net
   The Stormwater Center offers resources to assist decision-makers and the public on stormwater management issues. Resources include publications and manuals, slide shows, ordinance information, monitoring and assessment methods, and best management practices factsheets.



3. Low Impact Development Center, Inc.
   http://www.lowimpactdevelopment.org
   The Low Impact Development Center is a non-profit water resources research group with a mission of conducting research and training on LID and sustainable stormwater management. Resources include publications, pictures, and other resources.



4. Prince George's County, Maryland, Department of Environmental Resources
   http://www.goprincegeorgescounty.com/Government/DER/PPD/pgcounty/index.htm
   The Programs and Planning Division homepage offers information on County programs and links to on-line information on watershed management & monitoring and low impact design concepts.



5. Puget Sound Water Quality Action Team
   http://www.wa.gov/puget_sound
   Resources on protecting the water quality and biological resources of Puget Sound. Programs for pollution prevention, natural resource protection, stormwater management, public education and involvement, and research are provided.



6. U.S. Environmental Protection Agency
   http://www.epa.gov/owow/nps/urban.html
   The Office of Water provides downloadable factsheets on best management practices for urban stormwater, including bioretention, porous pavement, wet detention ponds, and many more.



7. University of British Columbia Sustainable Communities
   http://www.sustainable-communities.agsci.ubc.ca
   Resource guide on sustainable design including publications, research, and design projects.



8. University of Washington Center for Urban Water Resources
   http://depts.washington.edu/cuwrm/
   Publications, links and research containing extensive studies on the effects of urbanization, best management practices, and habitat. Also included are links to other publications and resources including the City of Olympia's Impervious Surface Reduction Study and presentation abstracts from the Salmon in the City Conference.



9. Urban Land Institute
   http://www.uli.org
   The homepage of the Urban Land Institute, an organization with the mission of providing responsible leadership in the use of land towards enhancing the environment, offers design resources for housing, retail, office, and transportation development.



10. Washington State Department of Ecology
    http://www.ecy.wa.gov/programs/wq/wqhome.html
    This site offers background information on water quality issues as well as the Stormwater Management Manual for Western Washington, technical information, and sustainability resources. Additionally, links to other organizations, newsletters, and community outreach resources are provided.

From the Low Impact Development Center, Inc. (www.lowimpactdevelopment.org)