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D35/100

EAST CHICAGO WATER WORKS — Water Quality Report 2026

Serving 26,370 people · Indiana

Water Source
Surface Water
County
—
System ID
IN5245012
Violations
58

Contaminant Test Results

1 contaminant above EPA health goals
ContaminantDetectedLimit (MCL)Status
Lead (90th percentile)
0.008 mg/L0.015 mg/LAbove Goal

EPA Violation History

9

Violations (last 5yr)

1

Unresolved

0

Health-Related

TIER 3Unresolved

Monitoring violation

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: September 1, 2025Rule: Total Coliform RuleVerify on EPA.gov
TIER 3Resolved

Failed Level 2 Assessment under Revised Total Coliform Rule

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: October 1, 2024 – December 31, 2024Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved

Failed Level 2 Assessment under Revised Total Coliform Rule

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: October 1, 2024 – December 31, 2024Rule: Stage 2 DBPREnforcement: 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 25, 2024Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved

Monitoring / Reporting Violation

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: January 1, 2024 – January 22, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved

Failed Level 2 Assessment under Revised Total Coliform Rule

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: January 1, 2023 – March 31, 2023Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved

Failed Level 2 Assessment under Revised Total Coliform Rule

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: January 1, 2023 – March 31, 2023Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved

Surface water treatment technique failure

When: July 1, 2022 – August 15, 2022Enforcement: Resolving — corrective action underway
TIER 3Resolved

Other Violation

When: May 1, 2021 – April 4, 2022Rule: Total Coliform 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 EAST CHICAGO WATER WORKS

Is EAST CHICAGO WATER WORKS water safe to drink?

EAST CHICAGO WATER WORKS water receives a grade of D (35/100), which is considered poor. 0 contaminant(s) exceed EPA legal limits and 58 violation(s) are on record. Customers may want to consider using a water filter.

What contaminants has EAST CHICAGO WATER WORKS detected?

69 contaminants were tested in EAST CHICAGO WATER WORKS's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).

Does EAST CHICAGO WATER WORKS have any EPA violations?

Yes, EAST CHICAGO WATER WORKS has 58 EPA violation(s) on record, with the most recent in 2025. Violation types include RPT, MR, Other. 1 are health-based violations.

How many people does EAST CHICAGO WATER WORKS serve?

EAST CHICAGO WATER WORKS serves approximately 26,370 people, Indiana. The system provides water to 1 community: East Chicago.

What type of water does EAST CHICAGO WATER WORKS provide?

EAST CHICAGO WATER WORKS sources its water from surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is IN5245012.

How does EAST CHICAGO WATER WORKS compare to other utilities in Indiana?

EAST CHICAGO WATER WORKS scores 35/100 with a grade of D (poor). This score suggests significant water quality concerns relative to other utilities. Visit our Indiana state page for a full comparison of water systems.

Cities Served

East Chicago