A83/100
SHEBOYGAN WATER UTILITIES — Water Quality Report 2026
Serving 49,931 people · Wisconsin
Water Source
Surface Water
County
—
System ID
WI4600354
Violations
14
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
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: January 1, 2024 – March 31, 2024Rule: Stage 2 DBPREnforcement: 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 SHEBOYGAN WATER UTILITIES
Is SHEBOYGAN WATER UTILITIES water safe to drink?
SHEBOYGAN WATER UTILITIES water receives a grade of A (83/100), which is considered excellent. Out of 69 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has SHEBOYGAN WATER UTILITIES detected?
69 contaminants were tested in SHEBOYGAN WATER UTILITIES's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does SHEBOYGAN WATER UTILITIES have any EPA violations?
Yes, SHEBOYGAN WATER UTILITIES has 14 EPA violation(s) on record, with the most recent in 2024. Violation types include MR, Other.
How many people does SHEBOYGAN WATER UTILITIES serve?
SHEBOYGAN WATER UTILITIES serves approximately 49,931 people, Wisconsin. The system provides water to 1 community: Sheboygan.
What type of water does SHEBOYGAN WATER UTILITIES provide?
SHEBOYGAN WATER UTILITIES sources its water from surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is WI4600354.
How does SHEBOYGAN WATER UTILITIES compare to other utilities in Wisconsin?
SHEBOYGAN WATER UTILITIES 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.