B79/100
CALEDONIA WATER UTILITY - VILLAGE OF — Water Quality Report 2026
Serving 21,819 people · Wisconsin
Water Source
Purchased Surface Water
County
—
System ID
WI2520184
Violations
14
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.003 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
4
Violations (last 5yr)
2
Unresolved
1
Health-Related
TIER 3Unresolved
Disinfection byproduct treatment technique failure
TIER 3Unresolved
Violation related to Turbidity
TIER 2Resolved
Treatment technique violation
When: October 17, 2024 – February 12, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2023 – July 18, 2023Enforcement: Resolving — corrective action underway
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Frequently Asked Questions About CALEDONIA WATER UTILITY - VILLAGE OF
Is CALEDONIA WATER UTILITY - VILLAGE OF water safe to drink?
CALEDONIA WATER UTILITY - VILLAGE OF water receives a grade of B (79/100), which is considered good. Out of 69 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has CALEDONIA WATER UTILITY - VILLAGE OF detected?
69 contaminants were tested in CALEDONIA WATER UTILITY - VILLAGE OF's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does CALEDONIA WATER UTILITY - VILLAGE OF have any EPA violations?
Yes, CALEDONIA WATER UTILITY - VILLAGE OF has 14 EPA violation(s) on record, with the most recent in 2024. Violation types include Other, TT, MR. 1 are health-based violations.
How many people does CALEDONIA WATER UTILITY - VILLAGE OF serve?
CALEDONIA WATER UTILITY - VILLAGE OF serves approximately 21,819 people, Wisconsin. The system provides water to 1 community: Caledonia.
What type of water does CALEDONIA WATER UTILITY - VILLAGE OF provide?
CALEDONIA WATER UTILITY - VILLAGE OF sources its water from purchased surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is WI2520184.
How does CALEDONIA WATER UTILITY - VILLAGE OF compare to other utilities in Wisconsin?
CALEDONIA WATER UTILITY - VILLAGE OF scores 79/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Wisconsin state page for a full comparison of water systems.