A83/100
CHILTON WATERWORKS — Water Quality Report 2026
Serving 4,191 people · Wisconsin
Water Source
Groundwater
County
—
System ID
WI4080222
Violations
6
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.013 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
2
Violations (last 5yr)
0
Unresolved
1
Health-Related
TIER 2Resolved
Treatment technique violation
When: October 17, 2024 – February 3, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Disinfection byproduct treatment technique failure
When: October 17, 2024 – June 17, 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 CHILTON WATERWORKS
Is CHILTON WATERWORKS water safe to drink?
CHILTON WATERWORKS water receives a grade of A (83/100), which is considered excellent. 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 CHILTON WATERWORKS detected?
31 contaminants were tested in CHILTON WATERWORKS's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does CHILTON WATERWORKS have any EPA violations?
Yes, CHILTON WATERWORKS has 6 EPA violation(s) on record, with the most recent in 2024. Violation types include TT, Other. 2 are health-based violations.
How many people does CHILTON WATERWORKS serve?
CHILTON WATERWORKS serves approximately 4,191 people, Wisconsin. The system provides water to 1 community: Chilton.
What type of water does CHILTON WATERWORKS provide?
CHILTON WATERWORKS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is WI4080222.
How does CHILTON WATERWORKS compare to other utilities in Wisconsin?
CHILTON 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.