PHOENIX, AZ · Pima County
ARIZONA WATER CO - AJO Water System
Consumer Confidence Report status
ARIZONA WATER CO - AJO must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show no open violations for ARIZONA WATER CO - AJO.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace Arizona’s official records. Always confirm current status with Arizona before making decisions based on this information.
System facts
- System ID (PWSID)
- AZ0410003
- System type
- Community Water System
- Population served
- 2,100
- Service connections
- 750
- Ownership
- public/private mix
- Water source
- groundwater (wells)
ARIZONA WATER CO - AJO is one of 272 community water systems in Arizona in the 501 to 3,300 people size category, serving 2,100 people from groundwater.
As of August 1, 2026, its federal record holds 1 entry in 2020, all of which EPA lists as closed. Nothing has been added since 2020.
All 1 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves the Total Coliform Rules.
Violation history
Report Sample Result/Fail Monitor (RTCR)
—Revised Total Coliform Rule
October 1, 2020 – November 25, 2020
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| October 1, 2020 – November 25, 2020 | Report Sample Result/Fail Monitor (RTCR) | Revised Total Coliform Rule | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
No enforcement actions on record for this system.
Common questions
Is ARIZONA WATER CO - AJO required to publish a Consumer Confidence Report?
- Yes. ARIZONA WATER CO - AJO is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is ARIZONA WATER CO - AJO’s next Consumer Confidence Report due?
- ARIZONA WATER CO - AJO’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does ARIZONA WATER CO - AJO have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for ARIZONA WATER CO - AJO.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
CAVALIER, RYAN
602-294-2151
PHOENIX, AZ 85015-5351