City of Tigard > City Hall > Departments > Water > Water Quality & Supply

Water Quality Links

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Federal Agencies:
United States Environmental Protection Agency
http://www.epa.gov/safewater

United States Geological Survey
http://www.usgs.gov

State Agency:
Oregon Department of Human Services - Drinking Water Program http://www.ohd.hr.state.or.us/dwp/index.cfm

Local Agencies:
City of Portland Water Bureau
http://www.water.ci.portland.or.us

Tualatin Valley Water District
http://www.tvwd.org

City of Beaverton
http://www.beavertonoregon.gov

City of Lake Oswego
http://www.ci.oswego.or.us

Private Agencies:
American Water Works Association
http://www.awwa.org

Clean Water Project
http://www.cleanwater.project.com

International Water Management Institute
http://www.cgiar.org/iwmi

Willamette River Water Coalition
http://www.willametteriver.org

World Health Organization
http://www.who.int/en/