Texas Department of State Health Services
 www.tdh.state.tx.us

American Public Works Association
 www.apwa.net

Texas Water Utilities Association
 www.twua.org

American Water Works Association
 www.awwa.org

Texas Water Development Board
www.twdb.state.tx.us/home/index.asp

Environment Protection Agency
 www.epa.gov

Texas Water Resources Institute
 www.twri.tamu.edu

Texas Water Foundation
 www.texaswater.org

Texas Water Matters
 www.texaswatermatters.org

Texas Water Conservation Association
 www.twca.org