A86/100
MUNSTER WATER COMPANY — Water Quality Report 2026
Serving 23,894 people · Indiana
Water Source
Purchased Surface Water
County
—
System ID
IN5245031
Violations
11
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
3
Violations (last 5yr)
1
Unresolved
0
Health-Related
TIER 3Unresolved
Surface water treatment technique failure
TIER 3Resolved
Monitoring violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: September 1, 2024 – October 28, 2024Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2024 – August 28, 2024Enforcement: 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 MUNSTER WATER COMPANY
Is MUNSTER WATER COMPANY water safe to drink?
MUNSTER WATER COMPANY water receives a grade of A (86/100), 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 MUNSTER WATER COMPANY detected?
69 contaminants were tested in MUNSTER WATER COMPANY's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does MUNSTER WATER COMPANY have any EPA violations?
Yes, MUNSTER WATER COMPANY has 11 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, RPT, MR.
How many people does MUNSTER WATER COMPANY serve?
MUNSTER WATER COMPANY serves approximately 23,894 people, Indiana. The system provides water to 1 community: Munster.
What type of water does MUNSTER WATER COMPANY provide?
MUNSTER WATER COMPANY 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 IN5245031.
How does MUNSTER WATER COMPANY compare to other utilities in Indiana?
MUNSTER WATER COMPANY scores 86/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our Indiana state page for a full comparison of water systems.