Fort Defiance, Arizona Water Quality Report
Water quality data for 11 water systems serving 18,555 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 92.4 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 924% | Above guideline |
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Compliance & Violations
Active Violations (11)
4B
Aug 1, 2025
4B
Jul 1, 2025
4B
Jul 1, 2025
75
Mar 1, 2025
75
Mar 1, 2024
75
Feb 1, 2024
52
Jan 1, 2024
75
Jan 1, 2024
52
Jan 1, 2024
52
Jan 1, 2024
5A
Apr 1, 2016
Resolved Violations (489)
4B
Jun 1, 2025
4B
May 1, 2025
4B
Apr 1, 2025
3A
Mar 1, 2025 — Mar 31, 2025
3A
Mar 1, 2025 — Mar 31, 2025
+ 484 more resolved violations
Frequently Asked Questions
Is Fort Defiance tap water safe to drink?
Fort Defiance'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 Fort Defiance tap water?
1 contaminants have been detected in Fort Defiance's water supply across 11 water systems. See the full contaminant table above for details.
How can I improve my water quality in Fort Defiance?
Install a water filter rated for the specific contaminants found in Fort Defiance's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Fort Defiance have any water quality violations?
Yes, Fort Defiance currently has 190 active violations. See the violations section above for details.