Lancaster, Minnesota Water Quality Report
Water quality data for 2 water systems serving 511 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 Lancaster, Minnesota.
Get Water Quality Alerts
Be the first to know when water quality changes in Lancaster.
Compliance & Violations
Active Violations (7)
75
Oct 26, 2025
52
Oct 1, 2025
52
Oct 1, 2025
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Resolved Violations (200)
02
Jul 1, 2025 — Sep 30, 2025
3A
Jul 1, 2025 — Sep 30, 2025
02
Jul 1, 2025 — Sep 30, 2025
02
Jul 1, 2025 — Sep 30, 2025
3A
Jul 1, 2025 — Sep 30, 2025
+ 195 more resolved violations
Frequently Asked Questions
Is Lancaster tap water safe to drink?
Lancaster'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 Lancaster tap water?
0 contaminants have been detected in Lancaster's water supply across 2 water systems. See the full contaminant table above for details.
How can I improve my water quality in Lancaster?
Install a water filter rated for the specific contaminants found in Lancaster's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Lancaster have any water quality violations?
Yes, Lancaster currently has 7 active violations. See the violations section above for details.