Castine, Maine Water Quality Report
Water quality data for 2 water systems serving 1,056 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (5)
66
Dec 30, 2021
66
Dec 30, 2021
52
Oct 1, 2019
52
Oct 1, 2019
52
Oct 1, 2019
Resolved Violations (495)
27
May 1, 2025 — May 31, 2025
27
May 1, 2025 — May 31, 2025
27
May 1, 2025 — May 31, 2025
27
May 1, 2025 — May 31, 2025
27
Apr 1, 2025 — Apr 30, 2025
+ 490 more resolved violations
Frequently Asked Questions
Is Castine tap water safe to drink?
Castine's water meets all EPA maximum contaminant levels. However, 0 contaminants were detected at various levels. Some residents may prefer additional filtration for peace of mind.
What contaminants are in Castine tap water?
0 contaminants have been detected in Castine's water supply across 2 water systems. See the full contaminant table above for details.
How can I improve my water quality in Castine?
Install a water filter rated for the specific contaminants found in Castine's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Castine have any water quality violations?
Yes, Castine currently has 13 active violations. See the violations section above for details.