D27/100
CLEAR LAKE WATERWORKS — Water Quality Report 2026
Serving 1,061 people · Wisconsin
Water Source
Groundwater
County
—
System ID
WI6490335
Violations
66
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2012.
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 CLEAR LAKE WATERWORKS
Is CLEAR LAKE WATERWORKS water safe to drink?
CLEAR LAKE WATERWORKS water receives a grade of D (27/100), which is considered poor. 0 contaminant(s) exceed EPA legal limits and 66 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has CLEAR LAKE WATERWORKS detected?
1 contaminants were tested in CLEAR LAKE WATERWORKS's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does CLEAR LAKE WATERWORKS have any EPA violations?
Yes, CLEAR LAKE WATERWORKS has 66 EPA violation(s) on record, with the most recent in 2012. Violation types include Other, MCL, MR. 1 are health-based violations.
How many people does CLEAR LAKE WATERWORKS serve?
CLEAR LAKE WATERWORKS serves approximately 1,061 people, Wisconsin. The system provides water to 1 community: Clear Lake.
What type of water does CLEAR LAKE WATERWORKS provide?
CLEAR LAKE WATERWORKS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is WI6490335.
How does CLEAR LAKE WATERWORKS compare to other utilities in Wisconsin?
CLEAR LAKE WATERWORKS scores 27/100 with a grade of D (poor). This score suggests significant water quality concerns relative to other utilities. Visit our Wisconsin state page for a full comparison of water systems.