Contact Us

Our office is located in the Old Museum Building on the Navajo Nation Fairgrounds between the Dean C. Jackson Arena and Gorman Hall, on State Route 264 in Window Rock, Arizona.

Shipping Address: HWY 264, Navajo Nation Fairgrounds, Old Museum Bldg #W008-042, Window Rock, AZ 86515

Mailing Address: PO Box 339, Window Rock, AZ 86515

How can we improve our service?

We welcome and value your comments and suggestions about our service to the Navajo Nation in ensuring the safety of your drinking water with diligence and respect to all of our clientele and the community. Your views help us understand the needs and shortfalls of our program so that we may improve our services to you.
If you have comments or suggestions, or think we could improve any aspect of our service, please let us know. It is also good to know when you think we have done something well or you were impressed by the service we provided.

Privacy Statement
NNEPA respects your right to privacy and we value the trust you place in us to handle your information, whether it be confidential or sensitive. The information you have provided will be used for the purpose for which you have provided it.