ADEQ is committed to improving the rules, procedures, and policies for the onsite wastewater treatment program. Our updates are focused on meeting the needs of Arizonans by increasing accessibility while protecting human health and the environment.

Onsite Wastewater Treatment Facilities Rulemaking page | View > 

Get Involved

We began the process of updating A.A.C. Title 18, Chapter 9,1 as it applies to onsite wastewater treatment systems, and we encourage interested members of the community to participate and give us feedback. You can get involved in the following ways:

• Subscribe to receive email updates and upcoming meeting announcements (when selecting subscription topics, select Water Quality, proceed to the next page(s), and then select Onsite Wastewater Treatment Facilities where listed) | Subscribe > 
• Submit comments or feedback | Email Us >