B76/100
LAC DU FLAMBEAU — Water Quality Report 2026
Serving 3,168 people · Wisconsin
Water Source
Groundwater
County
—
System ID
055295401
Violations
9
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.60 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | < 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Monitoring violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 1, 2023 – November 11, 2023Rule: Total Coliform RuleEnforcement: 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 LAC DU FLAMBEAU
Is LAC DU FLAMBEAU water safe to drink?
LAC DU FLAMBEAU water receives a grade of B (76/100), which is considered good. Out of 52 contaminants tested, 1 exceed EPA legal limits. 2 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has LAC DU FLAMBEAU detected?
52 contaminants were tested in LAC DU FLAMBEAU's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does LAC DU FLAMBEAU have any EPA violations?
Yes, LAC DU FLAMBEAU has 9 EPA violation(s) on record, with the most recent in 2023. Violation types include RPT, MR, MCL. 1 are health-based violations.
How many people does LAC DU FLAMBEAU serve?
LAC DU FLAMBEAU serves approximately 3,168 people, Wisconsin.
What type of water does LAC DU FLAMBEAU provide?
LAC DU FLAMBEAU sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is 055295401.
How does LAC DU FLAMBEAU compare to other utilities in Wisconsin?
LAC DU FLAMBEAU scores 76/100 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.