C49/100
ST. JOHN MUNICIPAL WATER UTILITY — Water Quality Report 2026
Serving 25,700 people · Indiana
Water Source
Groundwater
County
—
System ID
IN5245043
Violations
33
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
strontium | 1800.00 µg/L | — | Above Goal |
Lead (90th percentile) | 0.003 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2007.
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 ST. JOHN MUNICIPAL WATER UTILITY
Is ST. JOHN MUNICIPAL WATER UTILITY water safe to drink?
ST. JOHN MUNICIPAL WATER UTILITY water receives a grade of C (49/100), which is considered fair. 0 contaminant(s) exceed EPA legal limits and 33 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has ST. JOHN MUNICIPAL WATER UTILITY detected?
66 contaminants were tested in ST. JOHN MUNICIPAL WATER UTILITY's water. Notable contaminants include Lead (90th percentile), strontium. No contaminants exceed EPA legal limits. 2 exceed EPA health goals (MCLGs).
Does ST. JOHN MUNICIPAL WATER UTILITY have any EPA violations?
Yes, ST. JOHN MUNICIPAL WATER UTILITY has 33 EPA violation(s) on record, with the most recent in 2007. Violation types include MCL, MR. 3 are health-based violations.
How many people does ST. JOHN MUNICIPAL WATER UTILITY serve?
ST. JOHN MUNICIPAL WATER UTILITY serves approximately 25,700 people, Indiana. The system provides water to 1 community: St. John.
What type of water does ST. JOHN MUNICIPAL WATER UTILITY provide?
ST. JOHN MUNICIPAL WATER UTILITY sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IN5245043.
How does ST. JOHN MUNICIPAL WATER UTILITY compare to other utilities in Indiana?
ST. JOHN MUNICIPAL WATER UTILITY scores 49/100 with a grade of C (fair). This score indicates room for improvement compared to other utilities. Visit our Indiana state page for a full comparison of water systems.