B77/100
FOX LAKE WATERWORKS — Water Quality Report 2026
Serving 1,610 people · Wisconsin
Water Source
Groundwater
County
—
System ID
WI1140145
Violations
8
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.40 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | < 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2011.
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 FOX LAKE WATERWORKS
Is FOX LAKE WATERWORKS water safe to drink?
FOX LAKE WATERWORKS water receives a grade of B (77/100), which is considered good. Out of 2 contaminants tested, 1 exceed EPA legal limits. 2 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has FOX LAKE WATERWORKS detected?
2 contaminants were tested in FOX LAKE WATERWORKS's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does FOX LAKE WATERWORKS have any EPA violations?
Yes, FOX LAKE WATERWORKS has 8 EPA violation(s) on record, with the most recent in 2011. Violation types include MR, Other, TT. 1 are health-based violations.
How many people does FOX LAKE WATERWORKS serve?
FOX LAKE WATERWORKS serves approximately 1,610 people, Wisconsin. The system provides water to 1 community: Fox Lake.
What type of water does FOX LAKE WATERWORKS provide?
FOX LAKE WATERWORKS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is WI1140145.
How does FOX LAKE WATERWORKS compare to other utilities in Wisconsin?
FOX LAKE WATERWORKS scores 77/100 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.