F0/100
DE PERE WATERWORKS SA 1 — Water Quality Report 2026
Serving 25,660 people · Wisconsin
Water Source
Purchased Surface Water
County
—
System ID
WI4050453
Violations
27
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
strontium | 3847.41 µg/L | — | Above Goal |
Lead (90th percentile) | < 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2015.
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 DE PERE WATERWORKS SA 1
Is DE PERE WATERWORKS SA 1 water safe to drink?
DE PERE WATERWORKS SA 1 water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 27 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has DE PERE WATERWORKS SA 1 detected?
69 contaminants were tested in DE PERE WATERWORKS SA 1's water. Notable contaminants include Lead (90th percentile), strontium. No contaminants exceed EPA legal limits. 2 exceed EPA health goals (MCLGs).
Does DE PERE WATERWORKS SA 1 have any EPA violations?
Yes, DE PERE WATERWORKS SA 1 has 27 EPA violation(s) on record, with the most recent in 2015. Violation types include MR, MCL. 23 are health-based violations.
How many people does DE PERE WATERWORKS SA 1 serve?
DE PERE WATERWORKS SA 1 serves approximately 25,660 people, Wisconsin. The system provides water to 1 community: De Pere.
What type of water does DE PERE WATERWORKS SA 1 provide?
DE PERE WATERWORKS SA 1 sources its water from purchased surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is WI4050453.
How does DE PERE WATERWORKS SA 1 compare to other utilities in Wisconsin?
DE PERE WATERWORKS SA 1 scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Wisconsin state page for a full comparison of water systems.