C55/100
WASHBURN WATERWORKS — Water Quality Report 2026
Serving 2,280 people · Wisconsin
Water Source
Groundwater
County
—
System ID
WI8040132
Violations
14
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.005 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
4
Violations (last 5yr)
2
Unresolved
1
Health-Related
TIER 2Resolved
Treatment technique violation
When: October 17, 2024 – June 6, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Unresolved
Disinfection byproduct treatment technique failure
TIER 3Unresolved
Disinfection byproduct treatment technique failure
TIER 3Resolved
Reporting violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 17, 2024 – June 6, 2025Rule: Ground Water 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 WASHBURN WATERWORKS
Is WASHBURN WATERWORKS water safe to drink?
WASHBURN WATERWORKS water receives a grade of C (55/100), which is considered fair. 0 contaminant(s) exceed EPA legal limits and 14 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has WASHBURN WATERWORKS detected?
1 contaminants were tested in WASHBURN WATERWORKS's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does WASHBURN WATERWORKS have any EPA violations?
Yes, WASHBURN WATERWORKS has 14 EPA violation(s) on record, with the most recent in 2024. Violation types include TT, Other, RPT. 7 are health-based violations.
How many people does WASHBURN WATERWORKS serve?
WASHBURN WATERWORKS serves approximately 2,280 people, Wisconsin. The system provides water to 1 community: Washburn.
What type of water does WASHBURN WATERWORKS provide?
WASHBURN WATERWORKS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is WI8040132.
How does WASHBURN WATERWORKS compare to other utilities in Wisconsin?
WASHBURN WATERWORKS scores 55/100 with a grade of C (fair). This score indicates room for improvement compared to other utilities. Visit our Wisconsin state page for a full comparison of water systems.