Holbrook, Arizona Water Quality Report
Water quality data for 3 water systems serving 5,705 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 18.0 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 180% | Above guideline |
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Compliance & Violations
Active Violations (3)
71
Jul 1, 2025
71
Jul 1, 2025
75
May 21, 2023
Resolved Violations (497)
02
Apr 1, 2025 — Jun 30, 2025
02
Apr 1, 2025 — Jun 30, 2025
02
Apr 1, 2025 — Jun 30, 2025
4B
Dec 1, 2024
4B
Dec 1, 2024
+ 492 more resolved violations
Frequently Asked Questions
Is Holbrook tap water safe to drink?
Holbrook'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 Holbrook tap water?
1 contaminants have been detected in Holbrook's water supply across 3 water systems. See the full contaminant table above for details.
How can I improve my water quality in Holbrook?
Install a water filter rated for the specific contaminants found in Holbrook's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Holbrook have any water quality violations?
Yes, Holbrook currently has 38 active violations. See the violations section above for details.