County · Utah
Cache County, Utah: drinking water records
This overview covers 18 ZIP codes and 22 community water systems in Cache County. It also stands in for 1 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 |
|---|---|---|---|---|---|
| North Logan City UTAH03015 | 8,500 | 240 | 0 | 1 | 2.7 ppb |
| Wellsville City Water System UTAH03022 | 4,190 | 180 | 0 | 3 | 2.8 ppb |
| Logan City Water System UTAH03010 | 55,540 | 300 | 0 | 0 | 2.2 ppb |
| Hyrum City UTAH03008 | 10,891 | 180 | 0 | 0 | 3.4 ppb |
| Smithfield City UTAH03020 | 10,223 | 60 | 0 | 0 | 46 ppb |
| Providence City Water System UTAH03017 | 9,690 | 120 | 0 | 0 | 1.5 ppb |
| Nibley City Water UTAH03001 | 9,200 | 60 | 0 | 0 | 1.6 ppb |
| Paradise Town Water System UTAH03016 | 1,014 | 0 | 0 | 2 | 11.3 ppb |
| Benson Culinary Improvement District UTAH03097 | 743 | 0 | 0 | 1 | 4.2 ppb |
| Amalga Town Water System UTAH03002 | 495 | 0 | 0 | 1 | 2 ppb |
| Trenton Town Water System UTAH03021 | 490 | 0 | 0 | 2 | 16 ppb |
| Cornish Town Water System UTAH03005 | 275 | 0 | 0 | 5 | 1.6 ppb |
| High Creek Water Co UTAH03086 | 120 | 0 | 0 | 1 | 3.5 ppb |
| Cove Waterworks UTAH03006 | 60 | 0 | 0 | 6 | 1.7 ppb |
| Goaslind Spring W W Co UTAH03014 | 45 | 0 | 0 | 1 | 1 ppb |
| Paradise West Subdivision UTAH03103 | 27 | 0 | 0 | 1 | 0.9 ppb |
| River Heights City UTAH03019 | 2,195 | 0 | 0 | 0 | 11.7 ppb |
| Lewiston City UTAH03009 | 2,078 | 0 | 0 | 0 | 1.2 ppb |
| Millville City UTAH03012 | 1,900 | 0 | 0 | 0 | 4 ppb |
| Mendon City UTAH03011 | 1,640 | 0 | 0 | 0 | 2 ppb |
| Newton Town Water System UTAH03013 | 810 | 0 | 0 | 0 | 1.5 ppb |
| Clarkston Town Water System UTAH03004 | 763 | 0 | 0 | 0 | 3.7 ppb |
ZIP reports in Cache 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: 84304.
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.