More information about drinking water:

American Water Works Association: awwa.org

Maricopa County Environmental Services Department: Maricopa.gov/envsvc

U.S. EPA: http://water.epa.gov/drink/index.cfm

Arizona Department of Environmental Quality: azdeq.gov

For more information on water conservation:

EPA: https://www.epa.gov/watersense

Water Use it Wisely: https://wateruseitwisely.com/