St. Thomas, Pennsylvania Water Quality Report
Water quality data for 1 water system serving 12,589 people.
Water Source
Detected Contaminants
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Compliance & Violations
Active Violations (6)
52
Jul 1, 2025
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Resolved Violations (248)
3A
May 1, 2023 — May 31, 2023
3A
May 1, 2023 — May 31, 2023
03
Jan 1, 2021 — Dec 31, 2021
03
Jan 1, 2021 — Dec 31, 2021
27
Oct 1, 2020 — Dec 31, 2020
+ 243 more resolved violations
Frequently Asked Questions
Is St. Thomas tap water safe to drink?
St. Thomas's water meets all EPA maximum contaminant levels. However, 2 contaminants were detected at various levels. Some residents may prefer additional filtration for peace of mind.
What contaminants are in St. Thomas tap water?
2 contaminants have been detected in St. Thomas's water supply across 1 water system. See the full contaminant table above for details.
How can I improve my water quality in St. Thomas?
Install a water filter rated for the specific contaminants found in St. Thomas'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. Thomas have any water quality violations?
Yes, St. Thomas currently has 6 active violations. See the violations section above for details.