St. Augustine, Florida Water Quality Report
Water quality data for 16 water systems serving 209,466 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 10.0 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 100% | Near guideline |
| PFBA | 0.009 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFHpA | 0.006 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFHxA | 0.007 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFPeA | 0.008 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
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Compliance & Violations
Active Violations (19)
34
Sep 1, 2025
4A
Sep 1, 2025
2E
Feb 1, 2025
2E
Feb 1, 2025
2E
Feb 1, 2025
4G
Feb 1, 2025
4G
Feb 1, 2025
4G
Feb 1, 2025
4A
Sep 1, 2024
72
Jul 1, 2024
72
Jul 1, 2024
72
Jul 1, 2024
72
Jul 1, 2024
71
Jul 1, 2024
71
Jul 1, 2024
72
Jul 1, 2022
4A
Oct 1, 2019
75
Oct 30, 2014
76
Jun 1, 2012
Resolved Violations (481)
3A
Aug 1, 2025 — Aug 31, 2025
19
Aug 1, 2025 — Aug 31, 2025
3A
Jul 1, 2025 — Jul 31, 2025
3A
Jul 1, 2025 — Jul 31, 2025
19
Jul 1, 2025 — Jul 31, 2025
+ 476 more resolved violations
Frequently Asked Questions
Is St. Augustine tap water safe to drink?
St. Augustine'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 St. Augustine tap water?
5 contaminants have been detected in St. Augustine's water supply across 16 water systems. See the full contaminant table above for details.
How can I improve my water quality in St. Augustine?
Install a water filter rated for the specific contaminants found in St. Augustine's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does St. Augustine have any water quality violations?
Yes, St. Augustine currently has 233 active violations. See the violations section above for details.