County · Michigan
Berrien County, Michigan: drinking water records
This overview covers 23 ZIP codes and 36 community water systems in Berrien County. It also stands in for 9 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 |
|---|---|---|---|---|---|
| Benton Harbor MI0000600 | 9,103 | 120 | 0 | 17 | 0.8 ppb |
| Berrien Springs MI0000650 | 1,910 | 180 | 0 | 1 | 2 ppb |
| Southwest Michigan Regional Sanitary Sew MI0003726 | 26,780 | 120 | 0 | 0 | 1.1 ppb |
| Niles MI0004740 | 14,215 | 300 | 0 | 0 | 2 ppb |
| St Joseph MI0006310 | 7,930 | 120 | 0 | 0 | 2.7 ppb |
| Benton Charter Township MI0000605 | 6,768 | 120 | 0 | 0 | 1.3 ppb |
| Buchanan MI0000960 | 4,871 | 60 | 0 | 0 | 1 ppb |
| Lake Charter Township MI0003741 | 4,177 | 120 | 0 | 0 | 1.5 ppb |
| Watervliet MI0006930 | 2,735 | 0 | 0 | 1 | 0.8 ppb |
| Niles Township MI0004750 | 2,270 | 0 | 0 | 1 | 1.6 ppb |
| Oronoko Township MI0005034 | 1,610 | 0 | 0 | 1 | 0 ppb |
| Eau Claire MI0002030 | 610 | 0 | 0 | 1 | 71 ppb |
| Hills Haven Mobile Home Park MI0040057 | 235 | 0 | 0 | 1 | 6 ppb |
| Beechwood Hills - Timber Ridge MI0006627 | 160 | 0 | 0 | 2 | 6.1 ppb |
| Paw Paw Lake Mh Park MI0040062 | 122 | 0 | 0 | 2 | 0 ppb |
| Corewell Health-Berrien Cntr MI0060640 | 90 | 0 | 0 | 4 | 130 ppb |
| Sodus Township MI0006079 | 1 | 0 | 0 | 3 | 0 ppb |
| Andrews University MI0000210 | 3,000 | 0 | 0 | 0 | 1 ppb |
| New Buffalo Township MI0004685 | 2,845 | 0 | 0 | 0 | 2 ppb |
| Chikaming Township MI0001400 | 2,825 | 0 | 0 | 0 | 1.5 ppb |
| Bridgman MI0000850 | 2,096 | 0 | 0 | 0 | 2 ppb |
| New Buffalo MI0004680 | 1,900 | 0 | 0 | 0 | 2.7 ppb |
| Three Oaks MI0006600 | 1,622 | 0 | 0 | 0 | 7.8 ppb |
| Coloma MI0001530 | 1,555 | 0 | 0 | 0 | 0 ppb |
| Baroda MI0000420 | 910 | 0 | 0 | 0 | 0 ppb |
ZIP reports in Berrien 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: 49038, 49084, 49101, 49102, 49104, 49106, 49113, 49119, 49128.
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.