C50/100
THORNTOWN UTILITIES — Water Quality Report 2026
Serving 1,600 people · Indiana
Water Source
Groundwater
County
—
System ID
IN5206005
Violations
19
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.51 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
2
Violations (last 5yr)
2
Unresolved
0
Health-Related
TIER 3Unresolved
Reporting Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
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 THORNTOWN UTILITIES
Is THORNTOWN UTILITIES water safe to drink?
THORNTOWN UTILITIES water receives a grade of C (50/100), which is considered fair. 1 contaminant(s) exceed EPA legal limits and 19 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has THORNTOWN UTILITIES detected?
2 contaminants were tested in THORNTOWN UTILITIES's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does THORNTOWN UTILITIES have any EPA violations?
Yes, THORNTOWN UTILITIES has 19 EPA violation(s) on record, with the most recent in 2025. Violation types include RPT, Other, MON. 5 are health-based violations.
How many people does THORNTOWN UTILITIES serve?
THORNTOWN UTILITIES serves approximately 1,600 people, Indiana. The system provides water to 1 community: Thorntown.
What type of water does THORNTOWN UTILITIES provide?
THORNTOWN UTILITIES sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IN5206005.
How does THORNTOWN UTILITIES compare to other utilities in Indiana?
THORNTOWN UTILITIES scores 50/100 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.