PFAS in Utah drinking water
EPA's final UCMR 5 data covers 129 public water systems in Utah, serving about 3.5 million people. PFAS turned up in 16 of them (12%). 3 averaged above at least one EPA limit at a sampling point, affecting about 398,587 people.
Highest PFOA and PFOS averages among systems serving 1,000 or more: Hildale - Colorado City (0.0 / 13.0 ppt), Park City Water System (4.3 / 4.5 ppt) and Salt Lake City Water System (0.0 / 7.1 ppt).
Every tested system in Utah
Largest first. PFOA and PFOS columns show the average at each system's worst sampling point; EPA's limit for each is 4 ppt. Filter by name:
| Water system | People | PFOA | PFOS | PFAS found | Result |
|---|---|---|---|---|---|
| Salt Lake City Water System · Salt Lake City | 383,612 | - | 7.1 | 4 | Above limit |
| Granger-hunter Improvement District · Salt Lake City | 121,083 | - | - | 0 | None found |
| West Jordan City Water System · West Jordan | 117,025 | - | - | 3 | Below limits |
| Provo City · Provo | 116,288 | - | - | 0 | None found |
| St George City Water System · St George City | 105,240 | - | - | 0 | None found |
| Sandy City Water System · Lehi | 99,750 | - | - | 0 | None found |
| Jordan Valley Wcd · West Jordan | 99,335 | - | - | 0 | None found |
| Orem City Water System · Orem | 98,129 | - | - | 0 | None found |
| Lehi City · Lehi | 93,446 | - | - | 0 | None found |
| South Jordan City · South Jordan | 89,704 | - | - | 0 | None found |
| Ogden City Water System · Brigham City | 87,267 | - | - | 0 | None found |
| Layton City Water System · Layton | 82,000 | - | - | 0 | None found |
| Saratoga Springs City · Saratoga Springs | 68,000 | - | - | 0 | None found |
| Taylorsville-bennion Id · Riverton | 67,098 | - | - | 0 | None found |
| Eagle Mountain City · Eagle Mountain | 61,266 | - | - | 0 | None found |
| Herriman City Municipal Water Department · Herriman | 60,000 | - | - | 2 | Below limits |
| University of Utah · Sandy | 57,080 | - | - | 0 | None found |
| Kearns Improvement District · Kearns | 56,700 | - | - | 0 | None found |
| Logan City Water System · Wellsville | 55,540 | - | - | 0 | None found |
| Spanish Fork City · Spanish Fork | 47,169 | - | - | 0 | None found |
| Washington City · Hurricane | 45,865 | - | - | 0 | None found |
| Riverton City Water System · Eagle Mountain | 45,600 | - | - | 0 | None found |
| Pleasant Grove City · Orem | 40,000 | - | - | 0 | None found |
| Cedar City Waterworks · Cedar City | 39,670 | - | - | 0 | None found |
| American Fork City · Lehi | 39,045 | - | - | 0 | None found |
| Roy City Water System · Roy | 38,800 | - | - | 0 | None found |
| Murray City Water System · West Jordan | 38,723 | 2.0 | - | 7 | Sample at limit |
| Bountiful City Water System · Bountiful | 37,500 | - | - | 2 | Below limits |
| Tooele City Water System · Tooele | 37,100 | - | - | 0 | None found |
| Syracuse City Water System · Syracuse | 35,561 | - | - | 2 | Below limits |
| Springville City · Springville | 35,516 | - | - | 0 | None found |
| Clearfield City Water System · Brigham City | 33,540 | - | - | 0 | None found |
| Waterpro INC · Draper | 33,100 | - | - | 0 | None found |
| Midvale City Water System · Eagle Mountain | 33,005 | - | - | 0 | None found |
| Kaysville City Water System · Kaysville | 32,976 | - | - | 0 | None found |
| Magna Water District · Magna | 32,100 | - | - | 0 | None found |
| Bona Vista Water District · Farr West | 29,000 | - | - | 0 | None found |
| Farmington City Water System · Ogden | 27,860 | - | - | 1 | Below limits |
| Hill Air Force Base · Elwood | 25,625 | - | - | 0 | None found |
| Hurricane City · Hurricane | 25,555 | - | - | 0 | None found |
| South Salt Lake City Water System · Coalville | 23,600 | - | - | 1 | Below limits |
| Draper City Water System · Bluffdale | 23,205 | - | - | 0 | None found |
| Clinton City Water System · Clinton | 23,000 | - | - | 0 | None found |
| Highland City · Highland | 22,000 | - | - | 0 | None found |
| North Ogden City · North Ogden | 22,000 | - | - | 0 | None found |
| Vineyard City · Saratoga Springs | 21,431 | - | - | 0 | None found |
| Hooper Water Improvement District · Hooper | 20,820 | - | - | 0 | None found |
| Brigham City Water System · West Haven | 20,540 | - | - | 1 | Below limits |
| Bluffdale Water System · Bluffdale | 20,000 | - | - | 0 | None found |
| Weber State University - Ogden Campus · Layton | 20,000 | - | - | 0 | None found |
| Payson City Water System · Payson | 19,000 | - | - | 0 | None found |
| Heber City Water System · Heber City | 19,000 | - | - | 0 | None found |
| North Salt Lake City Water System · North Salt Lake | 18,655 | - | - | 0 | None found |
| Santaquin City · Santaquin | 17,532 | - | - | 0 | None found |
| South Ogden City Water System · Ogden | 17,500 | - | - | 0 | None found |
| Centerville City Water System · Clinton | 17,155 | - | - | 1 | Below limits |
| Grantsville City · Grantsville | 16,284 | - | - | 0 | None found |
| White City Wid · Sandy | 15,800 | - | - | 0 | None found |
| Lagoon Investment Company · Farmington | 15,000 | - | - | 0 | None found |
| Holliday Water Company · Salt Lake City | 15,000 | - | - | 0 | None found |
| Mapleton City · Mapleton | 14,000 | - | - | 0 | None found |
| Ashley Valley Water and Sewer Id · Tridell | 13,835 | - | - | 0 | None found |
| Woods Cross City Water · Farmington | 13,110 | - | - | 1 | Below limits |
| Tremonton City · Tremonton | 13,000 | - | - | 0 | None found |
| Lindon City · Spanish Fork | 11,900 | - | - | 0 | None found |
| Hyrum City · Wellsville | 10,891 | - | - | 0 | None found |
| South Davis Water District · Bountiful | 10,565 | - | - | 4 | Sample at limit |
| Ivins · Ivins | 10,465 | - | - | 0 | None found |
| Smithfield City · Smithfield | 10,223 | - | - | 0 | None found |
| Alpine City · Spanish Fork | 10,200 | - | - | 0 | None found |
| West Point City Water System · West Point | 10,040 | - | - | 1 | Below limits |
| Cedar Hills Town Water System · Saratoga Springs | 10,015 | - | - | 0 | None found |
| Vernal City Water System · Vernal | 10,000 | - | - | 0 | None found |
| Taylor-west Weber Wid · Ogden | 9,900 | - | - | 0 | None found |
| Stansbury Park Improvement District · Stansbury Park | 9,839 | - | - | 0 | None found |
| Providence City Water System · Hyrum | 9,690 | - | - | 0 | None found |
| Salem City · Santaquin | 9,298 | - | - | 0 | None found |
| Washington Terrace City Water System · Washington Terrace | 9,260 | - | - | 0 | None found |
| Pleasant View Culinary Water · Pleasant View | 9,250 | - | - | 0 | None found |
| Nibley City Water · Wellsville | 9,200 | - | - | 0 | None found |
| Utah State University · Newton | 9,000 | - | - | 0 | None found |
| Moab City · Moab | 9,000 | - | - | 0 | None found |
| Santa Clara City · Veyo | 9,000 | - | - | 0 | None found |
| Riverdale City Water System · Riverdale | 8,945 | - | - | 0 | None found |
| Park City Water System · Park City | 8,875 | 4.3 | 4.5 | 5 | Above limit |
| Price Municipal Corporation · Price | 8,867 | - | - | 0 | None found |
| North Logan City · Smithfield | 8,500 | - | - | 0 | None found |
| Richfield City · Richfield | 8,360 | - | - | 0 | None found |
| Mountain Regional Water Ssd · Park City | 8,245 | - | - | 3 | Below limits |
| South Weber Water System · South Weber City | 8,125 | - | - | 0 | None found |
| Roosevelt City Water System · Roosevelt | 8,000 | - | - | 0 | None found |
| Nephi City · Nephi | 7,122 | - | - | 0 | None found |
| Midway City Water System · Orem | 7,055 | - | - | 0 | None found |
| Ephraim City · Ephraim | 7,000 | - | - | 0 | None found |
| Perry City · Perry | 6,570 | - | - | 0 | None found |
| Enoch City Water System · Cedar City | 6,500 | - | - | 0 | None found |
| Hildale - Colorado City · Hildale | 6,100 | - | 13.0 | 6 | Above limit |
| Fruit Heights City Water System · Fruit Heights | 6,075 | - | - | 0 | None found |
| Summit Water Distribution Company · Heber City | 6,000 | - | - | 0 | None found |
| Price River Wid · Price | 5,790 | - | - | 0 | None found |
| West Bountiful City Water System · Woods Cross | 5,600 | - | - | 0 | None found |
| Elk Ridge Town · Orem | 5,510 | - | - | 0 | None found |
| Sunset City Water System · West Point | 5,300 | - | - | 0 | None found |
| Alta Town Water System · Alta | 5,228 | - | - | 0 | None found |
| Hyde Park City Water System · Franklin | 5,200 | - | - | 0 | None found |
| Sl County Service Area No 3 - Snowbird · Salt Lake City | 5,110 | - | - | 0 | None found |
| Kanab City · Kanab | 4,985 | - | - | 0 | None found |
| Morgan City Water System · Morgan | 4,520 | - | - | 0 | None found |
| La Verkin City Water System · La Verkin | 4,500 | - | - | 0 | None found |
| Gorgoza Mutual Water CO · Park City | 4,305 | - | - | 0 | None found |
| Wellsville City Water System · Wellsville | 4,190 | - | - | 0 | None found |
| Maeser Improvement District · Vernal | 4,152 | - | - | 0 | None found |
| Grand Water and Sewer Agency · Moab | 4,099 | - | - | 0 | None found |
| Mount Pleasant City · Mount Pleasant | 4,040 | - | - | 0 | None found |
| Blanding City · Blanding | 3,760 | - | - | 0 | None found |
| Gunnison City · Gunnison | 3,509 | - | - | 0 | None found |
| Delta City · Delta | 3,436 | - | - | 0 | None found |
| Manti City · Manti | 3,429 | - | - | 0 | None found |
| Zion Canyon Water System · Hurricane | 3,380 | - | - | 0 | None found |
| West Haven Ssd · West Haven | 3,360 | - | - | 0 | None found |
| Boyer Hill Military Housing · Roy | 3,300 | - | - | 0 | None found |
| Va Medical Center Slc · Salt Lake City | 2,798 | - | - | 0 | None found |
| Jordanelle Ssd · Payson | 2,345 | - | - | 0 | None found |
| Duchesne County Upper Country Wid · Talmage | 2,100 | - | - | 0 | None found |
| Virgin · Virgin | 1,512 | - | - | 0 | None found |
| East Carbon City · East Carbon | 1,460 | - | - | 0 | None found |
| Corinne City · Corinne | 740 | - | - | 0 | None found |
| Washington County Wcd - Cottam · St George | 130 | - | - | 0 | None found |
| Gunlock Special Service District · Gunlock | 118 | - | - | 0 | None found |
On a private well in Utah?
EPA's program only covers public systems. Private wells are never part of UCMR 5, so the only way to know is to test. Our well testing guide covers which lab tests to order, and the best well water systems covers what to install once you have results.
Cite this page
Well & Tap. "PFAS in Utah drinking water: results for 129 systems." Data: U.S. EPA UCMR 5, final release August 2026. https://wellandtap.com/pfas/utah/
Source: EPA UCMR 5 final occurrence data (August 2026); population from EPA SDWIS. Method.