A83/100
DANE WATERWORKS — Water Quality Report 2026
Serving 1,117 people · Wisconsin
Water Source
Groundwater
County
—
System ID
WI1130220
Violations
10
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
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: May 1, 2022 – May 31, 2022Rule: Total Coliform 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 DANE WATERWORKS
Is DANE WATERWORKS water safe to drink?
DANE WATERWORKS water receives a grade of A (83/100), which is considered excellent. Out of 1 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has DANE WATERWORKS detected?
1 contaminants were tested in DANE WATERWORKS's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does DANE WATERWORKS have any EPA violations?
Yes, DANE WATERWORKS has 10 EPA violation(s) on record, with the most recent in 2022. Violation types include MON, MR, MCL. 1 are health-based violations.
How many people does DANE WATERWORKS serve?
DANE WATERWORKS serves approximately 1,117 people, Wisconsin. The system provides water to 1 community: Dane.
What type of water does DANE WATERWORKS provide?
DANE WATERWORKS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is WI1130220.
How does DANE WATERWORKS compare to other utilities in Wisconsin?
DANE WATERWORKS scores 83/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our Wisconsin state page for a full comparison of water systems.