B62/100

MICHIGAN CITY DEPARTMENT OF WATER WORKS — Water Quality Report 2026

Serving 33,996 people · Indiana

Water Source
Surface Water
County
System ID
IN5246020
Violations
31

Contaminant Test Results

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

EPA Violation History

2

Violations (last 5yr)

1

Unresolved

0

Health-Related

TIER 3Unresolved

Surface water treatment technique failure

When: July 1, 2025Enforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Resolved

Surface water treatment technique failure

When: July 1, 2024 – October 11, 2024Enforcement: 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 MICHIGAN CITY DEPARTMENT OF WATER WORKS

Is MICHIGAN CITY DEPARTMENT OF WATER WORKS water safe to drink?

MICHIGAN CITY DEPARTMENT OF WATER WORKS water receives a grade of B (62/100), which is considered good. Out of 69 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.

What contaminants has MICHIGAN CITY DEPARTMENT OF WATER WORKS detected?

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

Does MICHIGAN CITY DEPARTMENT OF WATER WORKS have any EPA violations?

Yes, MICHIGAN CITY DEPARTMENT OF WATER WORKS has 31 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, MCL, MR. 1 are health-based violations.

How many people does MICHIGAN CITY DEPARTMENT OF WATER WORKS serve?

MICHIGAN CITY DEPARTMENT OF WATER WORKS serves approximately 33,996 people, Indiana. The system provides water to 1 community: Michigan City.

What type of water does MICHIGAN CITY DEPARTMENT OF WATER WORKS provide?

MICHIGAN CITY DEPARTMENT OF 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 IN5246020.

How does MICHIGAN CITY DEPARTMENT OF WATER WORKS compare to other utilities in Indiana?

MICHIGAN CITY DEPARTMENT OF WATER WORKS scores 62/100 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.

Cities Served