ADEQ maintains regional offices in Flagstaff and Tucson to better serve citizens in the northern and southern parts of the state.

Northern Regional Office/Flagstaff
The Northern Regional Office serves Mohave, Coconino, Yavapai, Navajo, and Apache counties.

Southern Regional Office/Tucson
The Southern Regional Office serves Cochise, Graham, Greenlee, Pima, Santa Cruz and Yuma counties.

Community Liaisons
ADEQ brings advocacy and service to rural Arizona by placing knowledgeable and helpful staff in neighboring communities in the state where they can be closer to the communities they serve and have more frequent, direct contact with customers.