Williams, Arizona Water Quality Report
Water quality data for 7 water systems serving 10,648 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 22.0 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 220% | Above guideline |
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Compliance & Violations
Active Violations (5)
75
Dec 20, 2024
4G
Oct 17, 2024
2E
Oct 17, 2024
2E
Oct 17, 2024
4G
Oct 17, 2024
Resolved Violations (495)
75
Jul 2, 2025
75
Jul 2, 2025
71
Jul 1, 2025
27
Jun 1, 2025 — Jun 30, 2025
27
Jun 1, 2025 — Jun 30, 2025
+ 490 more resolved violations
Frequently Asked Questions
Is Williams tap water safe to drink?
Williams'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 Williams tap water?
1 contaminants have been detected in Williams's water supply across 7 water systems. See the full contaminant table above for details.
How can I improve my water quality in Williams?
Install a water filter rated for the specific contaminants found in Williams's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Williams have any water quality violations?
Yes, Williams currently has 47 active violations. See the violations section above for details.