The Arizona Corporation Commission (ACC) is reviewing a case about EPCOR, the company that provides water and sewer service in the San Tan area. EPCOR has asked the ACC for permission to raise water and wastewater rates, which could change how much families and businesses pay each month.
This case is officially listed as: Docket No. WS-01303A-24-0130
Because this decision affects many people, the ACC is giving the public two ways to take part: (1) intervene in the case, or (2) leave a public comment.
Below is a simple breakdown of both options.
1. How to Intervene (For People Who Want to Be Part of the Case)
Intervening means you become an official party in the case. This is more serious than commenting and gives you special rights, like:
You should only intervene if the outcome will directly affect you and you want to be actively involved.
How to Request Intervention
To intervene, you must send a written request by: January 12, 2026
You can file your request:
By Mail: Arizona Corporation Commission Docket Control 1200 West Washington Phoenix, AZ 85007
Online (eFiling): https://azcc.gov/hearing/efiling
Your request must include:
More details and sample forms are available at azcc.gov under: Divisions → Hearing → Intervene in a Case
2. How to Comment If You Don't Want to Intervene
You do not need to intervene to share your opinion.
Anyone can leave a simple public comment. Your comment becomes part of the case file and is reviewed by ACC staff.
Ways to Comment: Speak at the Meeting
You can give a comment in person or by phone during public comment time at ACC meetings.
Mail a Written Comment
Send a letter (include the docket number) to: Arizona Corporation Commission Consumer Services Section 1200 West Washington Phoenix, AZ 85007
To comment online. go to: azcc.gov → Divisions → Hearing → Make a Public Comment in a Docket
Follow the Docket for Updates
If you just want updates, you can click Follow the Docket on the ACC website to get email alerts without intervening.
What This Case Is About
EPCOR has filed a request to raise water and wastewater rates for customers in the San Tan Water and Wastewater Districts. This is known as a rate case.
Here's why it matters:
All documents for this case—including filings, notices, and updates—are posted on the ACC's e-Docket website and are usually available within 24 hours.
Why Public Input Matters
Rate cases affect thousands of homes and businesses. Whether you choose to intervene or simply leave a public comment, the ACC encourages residents to share their thoughts before a final decision is made.