County · Indiana
LaPorte County, Indiana: drinking water records
This overview covers 12 ZIP codes and 19 community water systems in LaPorte County. It also stands in for 4 ZIP codes whose utility has too little EPA data for a page of its own.
System population figures are summed from EPA registry records and can overlap where wholesalers and retail systems serve the same people. They are not a Census county-population estimate.
Water systems with the most complete records
| Water system | People served | PFAS survey results | PFAS found | Health-based violations | Lead, 9 in 10 homes at or below |
|---|---|---|---|---|---|
| Laporte Water Works IN5246017 | 22,197 | 120 | 1 | 2 | 3.5 ppb |
| Michigan City Department of Water Works IN5246020 | 33,996 | 120 | 0 | 0 | 1.9 ppb |
| J. B. Water Works, INC. IN5246012 | 307 | 0 | 0 | 1 | 0.7 ppb |
| Colonial Mobile Court IN5246005 | 99 | 0 | 0 | 1 | 0.6 ppb |
| Indian Springs Town Homes IN5246038 | 90 | 0 | 0 | 1 | 1.5 ppb |
| Share Foundation IN5246011 | 86 | 0 | 0 | 1 | 0.7 ppb |
| Neighbors of Beechwood LLC IN5246002 | 63 | 0 | 0 | 2 | 6.4 ppb |
| Sacred Heart Apostolic School IN5246006 | 46 | 0 | 0 | 1 | 0 ppb |
| Westville Correctional Facility IN5246001 | 2,850 | 0 | 0 | 0 | 0 ppb |
| Long Beach Water Department IN5246028 | 2,050 | 0 | 0 | 0 | 0.5 ppb |
| South Coast Conservancy District IN5246004 | 2,013 | 0 | 0 | 0 | 2.6 ppb |
| Kingsford Heights Water IN5246014 | 1,800 | 0 | 0 | 0 | 1.5 ppb |
| Westville Water Department IN5246029 | 1,800 | 0 | 0 | 0 | 0 ppb |
| New Durham Estates IN5246032 | 1,099 | 0 | 0 | 0 | 0.7 ppb |
| Wanatah Water Utility IN5246033 | 1,050 | 0 | 0 | 0 | 0.9 ppb |
| Lacrosse Water Department IN5246015 | 540 | 0 | 0 | 0 | 1 ppb |
| Duneland Beach Association IN5246008 | 300 | 0 | 0 | 0 | 0 ppb |
| Kingsbury Utility Corporation IN5246013 | 240 | 0 | 0 | 0 | 2.7 ppb |
| Shady Grove Mobile Home Park IN5246024 | 100 | 0 | 0 | 0 | 1.6 ppb |
ZIP reports in LaPorte County
No ZIP report in this county is published yet.
These ZIP codes are covered by this overview because their utility has too little EPA data for a separate page: 46340, 46345, 46365, 46382.
Sources and scope
EPA UCMR 5 occurrence data, samples collected 2023-01-03 – 2026-06-17, final release, August 2026 (file dated Aug 28, 2026); EPA SDWIS via ECHO, 2026Q2 extract (file dated Jul 9, 2026); EPA service-area boundaries v3.0; Census 2020 ZCTAs. Page generated 2026-09-03.
Counts cover the systems that report this county to EPA. A water system may cross county lines. "Found" means at least one result at or above the laboratory reporting level; it is not a compliance finding.