Oro Valley, Arizona Water Quality Report
Water quality data for 3 water systems serving 47,100 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 19.0 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 190% | Above guideline |
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Compliance & Violations
Resolved Violations (500)
27
Mar 1, 2024 — Mar 31, 2024
27
Mar 1, 2024 — Mar 31, 2024
66
Jan 1, 2023
66
Jan 1, 2023
66
Oct 24, 2021
+ 495 more resolved violations
Frequently Asked Questions
Is Oro Valley tap water safe to drink?
Oro Valley's water meets all EPA maximum contaminant levels. However, 1 contaminants were detected at various levels. Some residents may prefer additional filtration for peace of mind.
What contaminants are in Oro Valley tap water?
1 contaminants have been detected in Oro Valley's water supply across 3 water systems. See the full contaminant table above for details.
How can I improve my water quality in Oro Valley?
Install a water filter rated for the specific contaminants found in Oro Valley's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Oro Valley have any water quality violations?
Yes, Oro Valley currently has 23 active violations. See the violations section above for details.