MICHIGAN CITY DEPARTMENT OF WATER WORKS
Indiana - Community Water System - PWSID: IN5246020
System Information
| PWSID | IN5246020 |
| System Name | MICHIGAN CITY DEPARTMENT OF WATER WORKS |
| System Type | Community Water System |
| Water Source | Surface Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 05 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jan 21, 1981 |
| Last Reported | Feb 12, 2026 |
Location & Contact
| State | Indiana |
| City | MICHIGAN CITY |
| ZIP Code | 46361 |
| Address | P.O. Box 888 |
| Organization | JOHNSEN, CHRISTOPHER |
| Phone | 219-874-3228 |
Population & Service
| Population Served | 33,996 |
| Service Connections | 13,950 |
Drinking Water Violations (69)
This water system has 69 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 2025 | - | Other | No | No | - | - | - | Resolved | Oct 21, 2025 | - | |
| Jul 1, 2025 | - | Other | No | No | - | - | - | Resolved | Oct 21, 2025 | - | |
| Jul 1, 2024 | - | Other | No | No | - | - | - | Resolved | Oct 11, 2024 | - | |
| Jul 1, 2024 | - | Other | No | No | - | - | - | Resolved | Oct 11, 2024 | - | |
| Jul 1, 2024 | - | Other | No | No | - | - | - | Resolved | Oct 11, 2024 | - | |
| Sep 1, 2011 | Sep 30, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2011 | - | |
| Sep 1, 2011 | Sep 30, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2011 | - | |
| Sep 1, 2011 | Sep 30, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2011 | - | |
| Sep 1, 2011 | Sep 30, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2011 | - | |
| Sep 1, 2011 | Sep 30, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2011 | - | |
| Jan 1, 2008 | Dec 31, 2008 | MR | No | Yes | - | 0.004 mg/L | - | Resolved | Dec 31, 2008 | - | |
| Jan 1, 2008 | Dec 31, 2008 | MR | No | Yes | - | 0.004 mg/L | - | Resolved | Dec 31, 2008 | - | |
| Jan 1, 2008 | Dec 31, 2008 | MR | No | Yes | - | 2 mg/L | - | Resolved | Dec 31, 2008 | - | |
| Jan 1, 2008 | Dec 31, 2008 | MR | No | Yes | - | 2 mg/L | - | Resolved | Dec 31, 2008 | - | |
| Jan 1, 2008 | Dec 31, 2008 | MR | No | Yes | - | 2 mg/L | - | Resolved | Dec 31, 2008 | - | |
| Jan 1, 2008 | Dec 31, 2008 | MR | No | Yes | - | 0.004 mg/L | - | Resolved | Dec 31, 2008 | - | |
| Jan 1, 2008 | Dec 31, 2008 | MR | No | Yes | - | 2 mg/L | - | Resolved | Dec 31, 2008 | - | |
| Jan 1, 2008 | Dec 31, 2008 | MR | No | Yes | - | 0.004 mg/L | - | Resolved | Dec 31, 2008 | - | |
| Jul 1, 2006 | Sep 30, 2006 | MR | No | No | - | - | - | Resolved | Sep 30, 2006 | - | |
| Jul 1, 2006 | Sep 30, 2006 | MR | No | No | - | - | - | Resolved | Sep 30, 2006 | - | |
| Jul 1, 2006 | Sep 30, 2006 | MR | No | No | - | - | - | Resolved | Sep 30, 2006 | - | |
| Jul 1, 2006 | Sep 30, 2006 | MR | No | No | - | 0.006 mg/L | - | Resolved | Sep 30, 2006 | - | |
| Jul 1, 2006 | Sep 30, 2006 | MR | No | No | - | 0.006 mg/L | - | Resolved | Sep 30, 2006 | - | |
| Jul 1, 2006 | Sep 30, 2006 | MR | No | No | - | 0.006 mg/L | - | Resolved | Sep 30, 2006 | - | |
| Jul 1, 2006 | Sep 30, 2006 | MR | No | No | - | 0.004 mg/L | - | Resolved | Sep 30, 2006 | - | |
| Jul 1, 2006 | Sep 30, 2006 | MR | No | No | - | 0.004 mg/L | - | Resolved | Sep 30, 2006 | - | |
| Jul 1, 2006 | Sep 30, 2006 | MR | No | No | - | 0.004 mg/L | - | Resolved | Sep 30, 2006 | - | |
| Jul 1, 2006 | Sep 30, 2006 | MR | No | No | - | 0.4 mg/L | - | Resolved | Sep 30, 2006 | - | |
| Jul 1, 2006 | Sep 30, 2006 | MR | No | No | - | 0.4 mg/L | - | Resolved | Sep 30, 2006 | - | |
| Jul 1, 2006 | Sep 30, 2006 | MR | No | No | - | 0.4 mg/L | - | Resolved | Sep 30, 2006 | - | |
| Jul 1, 2006 | Sep 30, 2006 | MR | No | No | - | 0.003 mg/L | - | Resolved | Sep 30, 2006 | - | |
| Jul 1, 2006 | Sep 30, 2006 | MR | No | No | - | 0.003 mg/L | - | Resolved | Sep 30, 2006 | - | |
| Jul 1, 2006 | Sep 30, 2006 | MR | No | No | - | 0.003 mg/L | - | Resolved | Sep 30, 2006 | - | |
| Jan 1, 2002 | Mar 31, 2002 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2002 | - | |
| Jan 1, 2002 | Mar 31, 2002 | MR | No | Yes | - | TT | - | Resolved | Mar 31, 2002 | - | |
| Jan 1, 2002 | Mar 31, 2002 | MR | No | Yes | - | TT | - | Resolved | Mar 31, 2002 | - | |
| Jan 1, 2002 | Mar 31, 2002 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2002 | - | |
| Oct 1, 2001 | - | Other | No | No | - | - | - | Resolved | Apr 1, 2004 | - | |
| Oct 1, 2001 | - | Other | No | No | - | - | - | Resolved | Apr 1, 2004 | - | |
| Oct 1, 2001 | - | Other | No | No | - | - | - | Resolved | Apr 1, 2004 | - | |
| Oct 1, 2000 | - | Other | No | No | - | - | - | Resolved | Apr 1, 2004 | - | |
| Oct 1, 2000 | - | Other | No | No | - | - | - | Resolved | Apr 1, 2004 | - | |
| Oct 1, 2000 | - | Other | No | No | - | - | - | Resolved | Apr 1, 2004 | - | |
| Jan 19, 2000 | - | Other | No | No | - | - | - | Resolved | Apr 1, 2004 | - | |
| Jan 19, 2000 | - | Other | No | No | - | - | - | Resolved | Apr 1, 2004 | - | |
| Oct 1, 1980 | Sep 30, 1981 | MR | No | Yes | - | 2 mg/L | - | Archived | Sep 30, 1981 | - | |
| Oct 1, 1980 | Sep 30, 1981 | MR | No | Yes | - | 0.1 mg/L | - | Archived | Sep 30, 1981 | - | |
| Oct 1, 1980 | Sep 30, 1981 | MR | No | Yes | - | 0.002 mg/L | - | Archived | Sep 30, 1981 | - | |
| Oct 1, 1980 | Sep 30, 1981 | MR | No | Yes | - | 10 mg/L | - | Archived | Sep 30, 1981 | - | |
| Oct 1, 1980 | Sep 30, 1981 | MR | No | Yes | - | 0.05 mg/L | - | Archived | Sep 30, 1981 | - |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.