County · Utah
Summit County, Utah: drinking water records
This overview covers 9 ZIP codes and 26 community water systems in Summit County. It also stands in for 0 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 |
|---|---|---|---|---|---|
| Park City Water System UTAH22011 | 8,875 | 540 | 5 | 0 | 1.9 ppb |
| Mountain Regional Water Ssd UTAH22137 | 8,245 | 420 | 3 | 0 | 4.5 ppb |
| Summit Water Distribution Company UTAH22059 | 6,000 | 720 | 0 | 0 | 3.8 ppb |
| Gorgoza Mutual Water Co UTAH22030 | 4,305 | 180 | 0 | 0 | 8.2 ppb |
| Hoytsville Pipe Water Co UTAH22006 | 440 | 0 | 0 | 3 | 1 ppb |
| Marion Waterworks Co UTAH22008 | 380 | 0 | 0 | 1 | 2.8 ppb |
| Woodland Mutual Water Co UTAH22018 | 190 | 0 | 0 | 3 | 1.5 ppb |
| Cluff Ward Pipeline Co UTAH22001 | 188 | 0 | 0 | 3 | 24.5 ppb |
| Peoa Pipeline Company UTAH22013 | 141 | 0 | 0 | 6 | 5.5 ppb |
| Bridge Hollow Water Association UTAH22117 | 85 | 0 | 0 | 1 | 1 ppb |
| Wanship Water Co. LLC UTAH22019 | 79 | 0 | 0 | 1 | 6.6 ppb |
| Deep Springs Water Co UTAH22101 | 75 | 0 | 0 | 1 | 2.8 ppb |
| Echo Mutual Water System UTAH22003 | 70 | 0 | 0 | 2 | 3.7 ppb |
| Kamas City Water System UTAH22007 | 2,200 | 0 | 0 | 0 | 2 ppb |
| Oakley Town Water System UTAH22010 | 1,800 | 0 | 0 | 0 | 1 ppb |
| Francis Town Water System UTAH22004 | 1,700 | 0 | 0 | 0 | 2.5 ppb |
| Coalville City Water System UTAH22002 | 1,590 | 0 | 0 | 0 | 2.1 ppb |
| Pine Meadow Mutual Water UTAH22079 | 1,251 | 0 | 0 | 0 | 3.7 ppb |
| Henefer Town Water System UTAH22005 | 882 | 0 | 0 | 0 | 1.3 ppb |
| High Valley Water Co UTAH22021 | 850 | 0 | 0 | 0 | 4.1 ppb |
| Summit County Service Area #3 UTAH22105 | 600 | 0 | 0 | 0 | 0 ppb |
| Wanship Mutual Water Co UTAH22017 | 325 | 0 | 0 | 0 | 4.1 ppb |
| Woodland Hills Subdivision UTAH22088 | 100 | 0 | 0 | 0 | 1.8 ppb |
| Weber Meadowview Ranch UTAH22009 | 90 | 0 | 0 | 4 | not reported |
| Woodenshoe Water Company UTAH22058 | 76 | 0 | 0 | 0 | 0.3 ppb |
ZIP reports in Summit County
No ZIP report in this county is published yet.
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.