B61/100
EDGERTON WATERWORKS — Water Quality Report 2026
Serving 5,512 people · Wisconsin
Water Source
Groundwater
County
—
System ID
WI1540119
Violations
12
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
2
Violations (last 5yr)
1
Unresolved
1
Health-Related
TIER 2Resolved
Treatment technique violation
When: October 17, 2024 – March 28, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Unresolved
Disinfection byproduct treatment technique failure
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 EDGERTON WATERWORKS
Is EDGERTON WATERWORKS water safe to drink?
EDGERTON WATERWORKS water receives a grade of B (61/100), which is considered good. Out of 31 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has EDGERTON WATERWORKS detected?
31 contaminants were tested in EDGERTON WATERWORKS's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does EDGERTON WATERWORKS have any EPA violations?
Yes, EDGERTON WATERWORKS has 12 EPA violation(s) on record, with the most recent in 2024. Violation types include TT, Other, MR. 6 are health-based violations.
How many people does EDGERTON WATERWORKS serve?
EDGERTON WATERWORKS serves approximately 5,512 people, Wisconsin. The system provides water to 1 community: Edgerton.
What type of water does EDGERTON WATERWORKS provide?
EDGERTON WATERWORKS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is WI1540119.
How does EDGERTON WATERWORKS compare to other utilities in Wisconsin?
EDGERTON WATERWORKS scores 61/100 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.