Coatesville, Pennsylvania Water Quality Report
Water quality data for 11 water systems serving 40,386 people.
Water Source
Detected Contaminants
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Compliance & Violations
Active Violations (8)
52
Oct 1, 2025
52
Oct 1, 2025
66
Jan 1, 2025
66
Jan 1, 2025
45
Oct 8, 2023
45
Oct 8, 2023
66
Oct 1, 2023
4B
Aug 10, 2021
Resolved Violations (492)
31
Aug 1, 2025 — Aug 31, 2025
3A
Aug 1, 2025 — Aug 31, 2025
3A
Aug 1, 2025 — Aug 31, 2025
27
Jul 1, 2025 — Sep 30, 2025
27
Jul 1, 2025 — Sep 30, 2025
+ 487 more resolved violations
Frequently Asked Questions
Is Coatesville tap water safe to drink?
Coatesville'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 Coatesville tap water?
2 contaminants have been detected in Coatesville's water supply across 11 water systems. See the full contaminant table above for details.
How can I improve my water quality in Coatesville?
Install a water filter rated for the specific contaminants found in Coatesville's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Coatesville have any water quality violations?
Yes, Coatesville currently has 44 active violations. See the violations section above for details.