County · Minnesota
Wright County, Minnesota: drinking water records
This overview covers 12 ZIP codes and 18 community water systems in Wright County. It also stands in for 2 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 |
|---|---|---|---|---|---|
| Joint Powers Water Board MN1860024 | 30,922 | 120 | 0 | 0 | 0 ppb |
| Otsego MN1860026 | 19,000 | 240 | 0 | 0 | 0 ppb |
| Buffalo MN1860005 | 16,711 | 60 | 0 | 0 | 2 ppb |
| Monticello MN1860012 | 15,087 | 240 | 2 | 0 | 4 ppb |
| Delano Municipal Utilities MN1860007 | 6,564 | 60 | 0 | 0 | 0 ppb |
| Rockford MN1860018 | 4,863 | 60 | 0 | 0 | 2 ppb |
| Annandale MN1860002 | 3,430 | 60 | 0 | 0 | 1 ppb |
| The Meadows MN1860013 | 1,000 | 0 | 0 | 3 | 1 ppb |
| Montrose MN1860016 | 3,899 | 0 | 0 | 0 | 0 ppb |
| Cokato MN1860006 | 2,792 | 0 | 0 | 0 | 1 ppb |
| Maple Lake MN1860011 | 2,215 | 0 | 0 | 0 | 2 ppb |
| Howard Lake MN1860010 | 2,180 | 0 | 0 | 0 | 15 ppb |
| Clearwater MN1860025 | 2,129 | 0 | 0 | 0 | 0 ppb |
| Waverly MN1860019 | 2,100 | 0 | 0 | 0 | 3 ppb |
| 12 Hi Mobile Home Park MN1860017 | 300 | 0 | 0 | 0 | 2 ppb |
| River Terrace Mobile Home Park MN1860015 | 250 | 0 | 0 | 0 | 2 ppb |
| South Haven MN1860021 | 183 | 0 | 0 | 0 | 0 ppb |
| Divine Son Mobile Home Park MN1860003 | 70 | 0 | 0 | 0 | 0 ppb |
ZIP reports in Wright 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: 55321, 55363.
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.