St. Croix Falls, Wisconsin Water Quality Report
Water quality data for 1 water system serving 2,079 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (3)
45
Oct 28, 2025
Violation
Unknown
Violation
Unknown
Resolved Violations (3)
66
Jan 1, 2024
66
Jan 1, 2024
22
Feb 25, 1991 — Mar 24, 1991
Frequently Asked Questions
Is St. Croix Falls tap water safe to drink?
St. Croix Falls'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 St. Croix Falls tap water?
0 contaminants have been detected in St. Croix Falls's water supply across 1 water system. See the full contaminant table above for details.
How can I improve my water quality in St. Croix Falls?
Install a water filter rated for the specific contaminants found in St. Croix Falls'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. Croix Falls have any water quality violations?
Yes, St. Croix Falls currently has 3 active violations. See the violations section above for details.