B65/100
MISHAWAKA UTILITIES — Water Quality Report 2026
Serving 49,675 people · Indiana
Water Source
Groundwater
County
—
System ID
IN5271009
Violations
9
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
chlorate | 290.00 µg/L | — | Above Goal |
Lead (90th percentile) | 0.009 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
1
Violation (last 5yr)
1
Unresolved
0
Health-Related
TIER 3Unresolved
Surface water treatment technique failure
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 MISHAWAKA UTILITIES
Is MISHAWAKA UTILITIES water safe to drink?
MISHAWAKA UTILITIES water receives a grade of B (65/100), which is considered good. Out of 66 contaminants tested, none exceed EPA legal limits. 2 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has MISHAWAKA UTILITIES detected?
66 contaminants were tested in MISHAWAKA UTILITIES's water. Notable contaminants include Lead (90th percentile), chlorate. No contaminants exceed EPA legal limits. 2 exceed EPA health goals (MCLGs).
Does MISHAWAKA UTILITIES have any EPA violations?
Yes, MISHAWAKA UTILITIES has 9 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, TT, MR. 5 are health-based violations.
How many people does MISHAWAKA UTILITIES serve?
MISHAWAKA UTILITIES serves approximately 49,675 people, Indiana. The system provides water to 1 community: Mishawaka.
What type of water does MISHAWAKA UTILITIES provide?
MISHAWAKA UTILITIES sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IN5271009.
How does MISHAWAKA UTILITIES compare to other utilities in Indiana?
MISHAWAKA UTILITIES scores 65/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Indiana state page for a full comparison of water systems.