An Excessive Heat Warning is in effect on July 23, 2014 for La Paz, Maricopa, Pinal, and Yuma Counties until July 24, 2014 at 8:00 PM. Learn more about how to stay safe in extreme heat and stay informed about future heat alerts.

Licensure & Certification

Private Well Owner Resources

If you are a private well owner, please refer to the following links and resources for testing guidelines and other general information:

  • Well Owner.org – Has information on finding a water well contractor, state guidance on water testing, and finding a drinking water testing lab.
  • EPA.gov FAQs – Has information on contaminants of concern for drinking water, what to do after a flood, and how owners can protect their private water supply.
  • Drinking Water from Household Wells - Pamphlet that gives general information about drinking water from home wells, and the types of activities in your area that can create threats to your water supply. It also describes problems to look for and offers maintenance suggestions. Sources for more information and help are also listed.
  • Private Drinking Water Wells - This website answers questions such as: If your family gets drinking water from a private well, do you know if your water is safe to drink? What health risks could you and your family face? Where can you go for help or advice?
  • Private Wells After the Fire - Pamphlet that describes what private well owners should do after a fire.