B78/100
HOOSIER HILLS REGIONAL WATER DISTRICT — Water Quality Report 2026
Serving 8,660 people · Indiana
Water Source
Groundwater
County
—
System ID
IN5269002
Violations
7
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.003 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
6
Violations (last 5yr)
1
Unresolved
2
Health-Related
TIER 3Resolved
Violation related to Consumer Confidence Report
When: July 27, 2025 – August 1, 2025Rule: Consumer Confidence RuleEnforcement: Resolving — corrective action underway
TIER 3Unresolved
Reporting Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
TIER 2Resolved
Failed treatment technique requirements
When: August 1, 2021 – August 4, 2021Rule: Consumer Confidence RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Violation related to Consumer Confidence Report
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: August 1, 2021 – August 4, 2021Rule: Consumer Confidence RuleEnforcement: Resolving — corrective action underway
TIER 2Resolved
Failed treatment technique requirements
When: June 1, 2021 – June 30, 2021Rule: Consumer Confidence RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Violation related to Consumer Confidence Report
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: June 1, 2021 – June 30, 2021Rule: Consumer Confidence RuleEnforcement: 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 HOOSIER HILLS REGIONAL WATER DISTRICT
Is HOOSIER HILLS REGIONAL WATER DISTRICT water safe to drink?
HOOSIER HILLS REGIONAL WATER DISTRICT water receives a grade of B (78/100), which is considered good. Out of 31 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has HOOSIER HILLS REGIONAL WATER DISTRICT detected?
31 contaminants were tested in HOOSIER HILLS REGIONAL WATER DISTRICT's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does HOOSIER HILLS REGIONAL WATER DISTRICT have any EPA violations?
Yes, HOOSIER HILLS REGIONAL WATER DISTRICT has 7 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, RPT, TT. 3 are health-based violations.
How many people does HOOSIER HILLS REGIONAL WATER DISTRICT serve?
HOOSIER HILLS REGIONAL WATER DISTRICT serves approximately 8,660 people, Indiana. The system provides water to 1 community: Milan.
What type of water does HOOSIER HILLS REGIONAL WATER DISTRICT provide?
HOOSIER HILLS REGIONAL WATER DISTRICT sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IN5269002.
How does HOOSIER HILLS REGIONAL WATER DISTRICT compare to other utilities in Indiana?
HOOSIER HILLS REGIONAL WATER DISTRICT scores 78/100 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.