Cortland, New York Water Quality Report
Water quality data for 9 water systems serving 20,467 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
Get a Free Water Quality Consultation
Connect with a certified water treatment professional in Cortland, New York.
Get Water Quality Alerts
Be the first to know when water quality changes in Cortland.
Compliance & Violations
Active Violations (105)
52
Oct 1, 2014
52
Oct 1, 2014
52
Oct 1, 2014
52
Jan 1, 2013
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Resolved Violations (259)
3A
Jan 1, 2025 — Mar 31, 2025
3A
Jan 1, 2025 — Mar 31, 2025
3A
Jan 1, 2025 — Mar 31, 2025
3A
Jan 1, 2025 — Mar 31, 2025
4G
Oct 17, 2024
+ 254 more resolved violations
Frequently Asked Questions
Is Cortland tap water safe to drink?
Cortland'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 Cortland tap water?
0 contaminants have been detected in Cortland's water supply across 9 water systems. See the full contaminant table above for details.
How can I improve my water quality in Cortland?
Install a water filter rated for the specific contaminants found in Cortland's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Cortland have any water quality violations?
Yes, Cortland currently has 105 active violations. See the violations section above for details.