A92/100
COLUMBUS MUNICIPAL UTILITY — Water Quality Report 2026
Serving 51,122 people · Indiana
Water Source
Groundwater
County
—
System ID
IN5203002
Violations
2
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
1,4-dioxane | 0.980 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 2012.
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 COLUMBUS MUNICIPAL UTILITY
Is COLUMBUS MUNICIPAL UTILITY water safe to drink?
COLUMBUS MUNICIPAL UTILITY water receives a grade of A (92/100), which is considered excellent. 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 COLUMBUS MUNICIPAL UTILITY detected?
66 contaminants were tested in COLUMBUS MUNICIPAL UTILITY's water. Notable contaminants include Lead (90th percentile), 1,4-dioxane. No contaminants exceed EPA legal limits. 2 exceed EPA health goals (MCLGs).
Does COLUMBUS MUNICIPAL UTILITY have any EPA violations?
Yes, COLUMBUS MUNICIPAL UTILITY has 2 EPA violation(s) on record, with the most recent in 2012. Violation types include MR.
How many people does COLUMBUS MUNICIPAL UTILITY serve?
COLUMBUS MUNICIPAL UTILITY serves approximately 51,122 people, Indiana. The system provides water to 1 community: Columbus.
What type of water does COLUMBUS MUNICIPAL UTILITY provide?
COLUMBUS MUNICIPAL UTILITY sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IN5203002.
How does COLUMBUS MUNICIPAL UTILITY compare to other utilities in Indiana?
COLUMBUS MUNICIPAL UTILITY scores 92/100 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.