San Tan Valley Area Information

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Customer Update from Epcor/Johnson Utilities

Arizona Corporation Commission Approves Epcor's 3 Year Capital Improvement Plan

Commissioners heard discussion on the need for projects ranging from continuing to fix valves to a full replacement of the Section 11 wastewater plant. After hearing discussion about the recommended plan, ACC Commissioners voted to approve EPCOR to proceed with the recommended projects and plans.

What happens next? EPCOR will move ahead to implement the plan and keep customers and the Arizona Corporation Commission updated as progress is made.

Water Supply Updates

With the weather forecast calling for continued very high temperatures, EPCOR is paying close attention to all elements of the water system to make sure they’re working properly and that they’re prepared to respond immediately in the case of any emergencies. While they expect the available supply to meet peak demand, all water sources must stay operational at full capacity.

In early July EPCOR upgraded the pump at the Morning Sun Farms #2 well to enable it to increase production by 600 gallons per minute (gpm) for Region 2. An important power upgrade for the new San Tan Well #1 is coming up, which will double production capacity to about 1,000 gpm. What does that mean for you? Over a million gallons of additional water every day for Johnson Utilities customers.

Johnson Utilities’ entire water supply comes from groundwater, so their primary focus is on development and operation of wells for current and future needs.  They're in various stages of development for several brand new wells, including one north of the Ricke Water Plant and two in the Promenade area. They’re also finalizing their regional groundwater study, which will help them determine where to drill other new wells for long-term water supply security.

Improving Water Quality

At the Main Yard, the ion exchange (IX) system is now fully operational and removing nitrates at the level we planned, resulting in an increase in good quality water being produced at this location. They’ve tied a transmission main line into the Main Yard water system and are now working to increase the size of the pipe that runs under a portion of railroad track – all measures that will improve flow conditions into the Main Yard water system.

EPCOR is also pursuing strategies to combine water treated by the IX system with untreated blended well water for further water quality improvements. They are also evaluating options for several wells that currently show nitrates above acceptable limits but which have the potential to add valuable new supplies to the system with adequate treatment.

What’s in Your Water?

As required by state and federal agencies, EPCOR finalized the 2018 water quality reports for the Johnson Utilities service area in June. They are pleased to report that our water meets all current safety regulations.

You can learn more about your water in the detailed water quality report for your neighborhood, available for customers and the public at the URLs below. Or, if you’d like to receive a printed copy by mail, please call Customer Care at 480-987-9870.

Wastewater Facility Improvements, Section 11, and Odor Concerns

Progress is being made to address odor issues at the Section 11 wastewater treatment plant, which includes four large aeration basins. Basin #2 was identified as the most immediate concern.

Over a seven-month period, EPCOR drained Basin #2, removed a layer of sludge four-to-six feet deep (less than 18 inches is considered optimal for the wastewater treatment process), relined the entire basin and replaced the aerators that clean the water. Basin #2 is now filled and operating properly. As EPCOR noted last month, recent water quality samples indicate that the aerators in all four basins are undersized. The new aerators ordered have come in and they are actively installing these in the remaining three basins. Once installed, they will improve both aeration performance and odors.

Along with these improvements, steps are being taken to enhance the anaerobic conditions in the deep zone settling area. ECOSORB units at Section 11 have been installed, which use natural, environmentally friendly substances to mitigate odors and turn on automatically when they detect odor emissions at a certain level.

Expanding the Pecan wastewater treatment plant is a priority capital improvement project and includes a plan to rehab the headworks and influent pump station. As EPCOR works through the legal, regulatory and contracting issues related to the Pecan expansion project, they are simultaneously working to improve air quality connected to this plant by cleaning and rehabbing the collection system, improving turbulent flow conditions, and injecting chlorine at specific lift stations.

Please know that that some of the steps EPCOR is taking to address odor issues throughout the Johnson Utilities system can cause occasional odor emissions. They know that these issues are important to you, and they appreciate your ongoing patience as they make these improvements.

Meter Management

As reported last month, the Arizona Corporation Commission in June approved EPCOR’s proposal to retain the current allowable number of new service connections at 28 per month, with the added provision that each developer may add two water connections per developer, per community, in Regions 1 and 2. It’s EPCOR's hope that, as a result of their work to secure adequate water supplies for the future, they can recommend lifting the new service connection restrictions in these regions by the end of 2019. With the current conditions in Regions 3 and 4, they were able to lift the water meter restrictions in those two areas of the system.

How You Can Help EPCOR Improve Your Service

EPCOR is committed to open and transparent communications with customers, and they place a high priority on courteous, knowledgeable customer service.

If you experience issues with your water or wastewater service, they want to know about it. Please call the Customer Care number below, and give them as much specific information as you can about where and when the problem happened. Their Customer Care and Field Service representatives are ready and equipped to answer your questions and provide a positive experience. 

How to Contact EPCOR

  • 24/7 Bill Payment: 1-844-567-2502
  • Online:
  • Customer service & billing inquiries: 480-987-9870
  • Emergencies: 480-987-9870 (press 6) or 480-887-0648

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