B72/100
KIEL WATERWORKS — Water Quality Report 2026
Serving 3,932 people · Wisconsin
Water Source
Groundwater
County
—
System ID
WI4360427
Violations
10
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
strontium | 2500.00 µg/L | — | Above Goal |
Lead (90th percentile) | < 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
2
Violations (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Failed to issue ongoing public notification
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: June 1, 2024 – June 10, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: June 1, 2022 – June 30, 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 KIEL WATERWORKS
Is KIEL WATERWORKS water safe to drink?
KIEL WATERWORKS water receives a grade of B (72/100), which is considered good. Out of 51 contaminants tested, none exceed EPA legal limits. 2 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has KIEL WATERWORKS detected?
51 contaminants were tested in KIEL WATERWORKS's water. Notable contaminants include Lead (90th percentile), strontium. No contaminants exceed EPA legal limits. 2 exceed EPA health goals (MCLGs).
Does KIEL WATERWORKS have any EPA violations?
Yes, KIEL WATERWORKS has 10 EPA violation(s) on record, with the most recent in 2024. Violation types include MR, MON, TT. 3 are health-based violations.
How many people does KIEL WATERWORKS serve?
KIEL WATERWORKS serves approximately 3,932 people, Wisconsin. The system provides water to 1 community: Kiel.
What type of water does KIEL WATERWORKS provide?
KIEL WATERWORKS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is WI4360427.
How does KIEL WATERWORKS compare to other utilities in Wisconsin?
KIEL WATERWORKS scores 72/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Wisconsin state page for a full comparison of water systems.