B75/100
WARREN MUNICIPAL WATER WORKS — Water Quality Report 2026
Serving 1,237 people · Indiana
Water Source
Groundwater
County
—
System ID
IN5235012
Violations
18
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.006 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
6
Violations (last 5yr)
0
Unresolved
1
Health-Related
TIER 3Resolved
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: May 1, 2025 – May 31, 2025Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2024 – August 2, 2024Enforcement: Resolving — corrective action underway
TIER 3Resolved
Monitoring violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: March 1, 2024 – April 30, 2024Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
TIER 2Resolved
Violation related to Consumer Confidence Report
When: January 21, 2022 – May 17, 2022Rule: Consumer Confidence RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Monitoring violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: July 1, 2021 – September 8, 2021Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2021 – August 2, 2021Enforcement: 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 WARREN MUNICIPAL WATER WORKS
Is WARREN MUNICIPAL WATER WORKS water safe to drink?
WARREN MUNICIPAL WATER WORKS water receives a grade of B (75/100), which is considered good. Out of 51 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has WARREN MUNICIPAL WATER WORKS detected?
51 contaminants were tested in WARREN MUNICIPAL WATER WORKS's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does WARREN MUNICIPAL WATER WORKS have any EPA violations?
Yes, WARREN MUNICIPAL WATER WORKS has 18 EPA violation(s) on record, with the most recent in 2025. Violation types include MON, Other, RPT. 1 are health-based violations.
How many people does WARREN MUNICIPAL WATER WORKS serve?
WARREN MUNICIPAL WATER WORKS serves approximately 1,237 people, Indiana. The system provides water to 1 community: Warren.
What type of water does WARREN MUNICIPAL WATER WORKS provide?
WARREN MUNICIPAL WATER WORKS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IN5235012.
How does WARREN MUNICIPAL WATER WORKS compare to other utilities in Indiana?
WARREN MUNICIPAL WATER WORKS scores 75/100 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.