B60/100
ELLSWORTH WATERWORKS — Water Quality Report 2026
Serving 3,304 people · Wisconsin
Water Source
Groundwater
County
—
System ID
WI6480239
Violations
13
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
2
Violations (last 5yr)
2
Unresolved
1
Health-Related
TIER 2Unresolved
Treatment technique violation
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 ELLSWORTH WATERWORKS
Is ELLSWORTH WATERWORKS water safe to drink?
ELLSWORTH WATERWORKS water receives a grade of B (60/100), 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 ELLSWORTH WATERWORKS detected?
31 contaminants were tested in ELLSWORTH WATERWORKS's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does ELLSWORTH WATERWORKS have any EPA violations?
Yes, ELLSWORTH WATERWORKS has 13 EPA violation(s) on record, with the most recent in 2024. Violation types include TT, Other, MCL. 6 are health-based violations.
How many people does ELLSWORTH WATERWORKS serve?
ELLSWORTH WATERWORKS serves approximately 3,304 people, Wisconsin. The system provides water to 1 community: Ellsworth.
What type of water does ELLSWORTH WATERWORKS provide?
ELLSWORTH WATERWORKS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is WI6480239.
How does ELLSWORTH WATERWORKS compare to other utilities in Wisconsin?
ELLSWORTH WATERWORKS scores 60/100 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.