Florence, Arizona Water Quality Report
Water quality data for 4 water systems serving 22,688 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 320.0 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 3200% | Above guideline |
| PFBA | 0.009 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFBS | 0.060 | No federal limit | 2000.0 ug/L(EPA Health Advisory) | 0% | Below guideline |
| PFHxS | 0.007 | 0.010 ug/L | 0.001 ug/L(EWG) | 70% | Within limit |
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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Compliance & Violations
Active Violations (6)
71
Jul 1, 2025
45
Jan 11, 2025
45
Jan 11, 2025
45
Jan 11, 2025
52
Oct 1, 2009
51
Jan 1, 2007
Resolved Violations (494)
02
Jul 1, 2025 — Sep 30, 2025
02
Jul 1, 2025 — Sep 30, 2025
02
Jul 1, 2025 — Sep 30, 2025
02
Jul 1, 2025 — Sep 30, 2025
02
Apr 1, 2025 — Jun 30, 2025
+ 489 more resolved violations
Frequently Asked Questions
Is Florence tap water safe to drink?
Florence's water meets all EPA maximum contaminant levels. However, 4 contaminants were detected at various levels. Some residents may prefer additional filtration for peace of mind.
What contaminants are in Florence tap water?
4 contaminants have been detected in Florence's water supply across 4 water systems. See the full contaminant table above for details.
How can I improve my water quality in Florence?
Install a water filter rated for the specific contaminants found in Florence's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Florence have any water quality violations?
Yes, Florence currently has 59 active violations. See the violations section above for details.