Ft. Defiance, Arizona Water Quality Report
Water quality data for 83 water systems serving 122,719 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| 6:2 FTS | 0.005 | No federal limit | — | — | No federal limit |
| lithium | 230.0 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 2300% | Above guideline |
| PFHxA | 0.004 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFHxS | 0.006 | 0.010 ug/L | 0.001 ug/L(EWG) | 61% | Within limit |
| PFPeA | 0.004 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
Recommended Water Filters
Based on the contaminants detected in your water supply, these filtration systems are recommended:
Reverse Osmosis (RO)
Reverse osmosis systems remove up to 99% of PFAS compounds. Recommended for homes with detected PFAS.
Up to 99% PFAS removal
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Connect with a certified water treatment professional in Ft. Defiance, Arizona.
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Compliance & Violations
Active Violations (32)
75
Apr 1, 2025
2A
Feb 1, 2025
75
Feb 1, 2025
2A
Feb 1, 2025
75
Oct 1, 2024
75
Jul 1, 2024
75
Jul 1, 2024
75
Jul 1, 2024
75
Apr 1, 2024
75
Apr 1, 2024
75
Apr 1, 2024
75
Feb 1, 2024
75
Jan 1, 2024
75
Jan 1, 2024
75
Jan 1, 2024
75
Oct 1, 2023
75
Oct 1, 2023
75
Jul 1, 2022
5A
Apr 1, 2016
5A
Apr 1, 2016
5A
Apr 1, 2016
5A
Apr 1, 2016
5A
Apr 1, 2016
5A
Apr 1, 2016
5A
Apr 1, 2016
5A
Apr 1, 2016
5A
Apr 1, 2016
5A
Apr 1, 2016
5A
Apr 1, 2016
5A
Apr 1, 2016
5A
Apr 1, 2016
5A
Apr 1, 2016
Resolved Violations (968)
02
Jul 1, 2025 — Sep 30, 2025
02
Jul 1, 2025 — Sep 30, 2025
02
Apr 1, 2025 — Jun 30, 2025
02
Jan 1, 2025 — Mar 31, 2025
02
Oct 1, 2024 — Dec 31, 2024
+ 963 more resolved violations
Frequently Asked Questions
Is Ft. Defiance tap water safe to drink?
Ft. Defiance's water meets all EPA maximum contaminant levels. However, 5 contaminants were detected at various levels. Some residents may prefer additional filtration for peace of mind.
What contaminants are in Ft. Defiance tap water?
5 contaminants have been detected in Ft. Defiance's water supply across 83 water systems. See the full contaminant table above for details.
How can I improve my water quality in Ft. Defiance?
Install a water filter rated for the specific contaminants found in Ft. 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 Ft. Defiance have any water quality violations?
Yes, Ft. Defiance currently has 1580 active violations. See the violations section above for details.