Public water system · IN5246020
ActiveMichigan City Department of Water Works
At a glance
Michigan City Department of Water Works (PWSID IN5246020) is an active community water system in LaPorte County, Indiana. It reports serving 33,996 people through 13,950 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in July 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
33,996
Service connections
13,950
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Michigan City Department of Water Works compare with other water systems in LaPorte County?
By EPA's size categories, Michigan City Department of Water Works is a large system (10,001 to 100,000 people). LaPorte County has 126 active public water systems, and Michigan City Department of Water Works is the largest of them by population served. Its population served is about 45 times the county average of 755 people per system, and accounts for 36% of the 95,092 people reported by systems filed under the county. Across Indiana, the 3,969 active systems average 1,456 people each. Nationally, the average active community water system reports serving 6,703 people, so Michigan City Department of Water Works is about 5.1 times that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Indiana has 770 active community water systems, 19% of the state's 3,969 active systems. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 30 Indiana systems (0.8%) list surface water as their primary source.
Who owns and regulates Michigan City Department of Water Works?
EPA lists Michigan City Department of Water Works as owned by a local government. The IN state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 21 of the 126 active systems in LaPorte County (17%) are also owned by a local government.
Does Michigan City Department of Water Works have drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in July 2025. The violations listed here began between January 2002 and July 2025. By type: 9 monitoring and reporting, 2 public notice, recordkeeping or other and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Consumer Confidence Rule (2 of them). EPA lists 12 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2024-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2011-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2008-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Bariumcode 1010 | No | Resolved |
| 2008-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Berylliumcode 1075 | No | Resolved |
| 2006-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Atrazinecode 2050 | No | Resolved |
| 2006-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Simazinecode 2037 | No | Resolved |
| 2006-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Di(2-ethylhexyl) adipatecode 2035 | No | Resolved |
| 2006-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Di(2-ethylhexyl) phthalatecode 2039 | No | Resolved |
| 2006-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Alachlor (Lasso)code 2051 | No | Resolved |
| 2002-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Carbon, totalcode 2920 | No | Resolved |
| 2002-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
The 12 most recent violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Michigan City Department of Water Works: frequently asked questions
Who runs Michigan City Department of Water Works?
Michigan City Department of Water Works (PWSID IN5246020) is a community water system owned by a local government. It is regulated by the IN state drinking water program.
How many people does Michigan City Department of Water Works serve?
Michigan City Department of Water Works reports serving 33,996 people through 13,950 service connections in LaPorte County, Indiana.
Where does Michigan City Department of Water Works get its water?
EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.
Does Michigan City Department of Water Works have any drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in July 2025. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Michigan City Department of Water Works' water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in July 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the IN state drinking water program.
Where can I find Michigan City Department of Water Works' water quality report?
As a community water system, Michigan City Department of Water Works must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in LaPorte County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Laporte Water Works | LaPorte | 22,197 | Community | Groundwater |
| Westville Correctional Facility | LaPorte | 2,850 | Community | Groundwater |
| Long Beach Water Department | LaPorte | 2,050 | Community | Purchased surface water |
| South Coast Conservancy District | LaPorte | 2,013 | Community | Purchased groundwater |
| Kingsford Heights Water | LaPorte | 1,800 | Community | Groundwater |
| Westville Water Department | LaPorte | 1,800 | Community | Groundwater |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Michigan City Department of Water Works, PWSID IN5246020, Indiana”, https://aquacensus.com/water-systems/indiana/michigan-city-department-of-water-works-in5246020 (data as of October 1, 2026).