St. Johns, Arizona Water Quality Report
Water quality data for 1 water system serving 540 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
Get a Free Water Quality Consultation
Connect with a certified water treatment professional in St. Johns, Arizona.
Get Water Quality Alerts
Be the first to know when water quality changes in St. Johns.
Compliance & Violations
Active Violations (10)
66
Jan 1, 2025
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Resolved Violations (490)
3A
Jun 1, 2025 — Jun 30, 2025
3A
Jun 1, 2025 — Jun 30, 2025
3A
Jun 1, 2025 — Jun 30, 2025
2E
Oct 17, 2024
4G
Oct 17, 2024
+ 485 more resolved violations
Frequently Asked Questions
Is St. Johns tap water safe to drink?
St. Johns's water meets all EPA maximum contaminant levels. However, 0 contaminants were detected at various levels. Some residents may prefer additional filtration for peace of mind.
What contaminants are in St. Johns tap water?
0 contaminants have been detected in St. Johns's water supply across 1 water system. See the full contaminant table above for details.
How can I improve my water quality in St. Johns?
Install a water filter rated for the specific contaminants found in St. Johns's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does St. Johns have any water quality violations?
Yes, St. Johns currently has 11 active violations. See the violations section above for details.