PFAS in Nevada drinking water
EPA's final UCMR 5 data covers 59 public water systems in Nevada, serving about 3.2 million people. PFAS turned up in 10 of them (17%). 3 averaged above at least one EPA limit at a sampling point, affecting about 488,064 people.
Highest PFOA and PFOS averages among systems serving 1,000 or more: City of Elko (5.8 / 29.0 ppt), Truckee Meadows Water Authority (5.2 / 13.0 ppt) and Fernley Public Works (0.0 / 5.0 ppt).
Every tested system in Nevada
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 |
|---|---|---|---|---|---|
| Las Vegas Valley Water District · Las Vegas | 1,539,277 | - | - | 2 | Below limits |
| Truckee Meadows Water Authority · Reno | 442,000 | 5.2 | 13.0 | 8 | Above limit |
| North Las Vegas Utilities · North Las Vegas | 376,515 | - | - | 0 | None found |
| City of Henderson · Henderson | 336,534 | - | - | 0 | None found |
| Carson City Public Works · Carson City | 59,000 | - | - | 0 | None found |
| Virgin Valley Water District · Mesquite | 26,000 | - | - | 0 | None found |
| Fernley Public Works · Fernley | 23,064 | - | 5.0 | 1 | Above limit |
| City of Elko · Elko | 23,000 | 5.8 | 29.0 | 7 | Above limit |
| Venetian Palazzo · Las Vegas | 19,387 | - | - | 0 | None found |
| Nellis Air Force Base · Nellis Afb | 19,081 | - | - | 0 | None found |
| City Center Hotels · Las Vegas | 17,739 | - | - | 0 | None found |
| Bellagio Resort and Casino · Las Vegas | 17,171 | - | - | 0 | None found |
| Sun Valley Gid · Sun Valley | 17,000 | - | - | 0 | None found |
| Dayton Valley Water System · Dayton | 16,000 | - | - | 0 | None found |
| Mgm Grand Hotel and Casino · Las Vegas | 15,500 | - | - | 0 | None found |
| Boulder City · Boulder City | 15,000 | - | - | 0 | None found |
| Tri General Improvement District · Mccarran | 13,360 | - | - | 0 | None found |
| Great Basin Water Company · Pahrump | 12,255 | - | - | 0 | None found |
| Gardnerville Ranchos Gid · Gardnerville | 11,300 | - | - | 0 | None found |
| Mandalay Bay Resort and Casino · Las Vegas | 10,549 | - | - | 0 | None found |
| Great Basin Water CO Cold Springs · Reno | 9,910 | - | - | 3 | Below limits |
| Flamingo Las Vegas Hotel and Casino · Las Vegas | 9,421 | - | - | 0 | None found |
| Wynn Resorts · Las Vegas | 9,416 | - | - | 0 | None found |
| Great Basin Water CO Spring Creek · Spring Creek | 9,340 | - | - | 0 | None found |
| Incline Village Gid · Incline Village | 9,313 | - | - | 0 | None found |
| City of Fallon · Fallon | 9,184 | - | - | 0 | None found |
| Big Bend Water District · Las Vegas | 9,000 | - | - | 0 | None found |
| City of Winnemucca · Winnemucca | 8,518 | - | - | 0 | None found |
| Moapa Valley Water District · Overton | 8,500 | - | - | 0 | None found |
| Harrahs Las Vegas · Las Vegas | 8,031 | - | - | 0 | None found |
| Ballys · Las Vegas | 7,850 | - | - | 0 | None found |
| Rio Resort and Casino · Las Vegas | 7,132 | - | - | 0 | None found |
| Primm Valley Casino Resorts · Las Vegas | 7,000 | - | - | 0 | None found |
| New York New York Hotel and Casino · Las Vegas | 7,000 | - | - | 1 | Below limits |
| Planet Hollywood Hotel and Casino · Las Vegas | 6,509 | - | - | 0 | None found |
| East Valley Water System · Minden | 6,488 | - | - | 0 | None found |
| Southern Desert Correctional Ctr Ndoc · Las Vegas | 6,200 | - | - | 0 | None found |
| Indian Hills Gid · Carson City | 5,962 | - | - | 2 | Below limits |
| Gardnerville Water Company · Gardnerville | 5,800 | - | 2.0 | 3 | Sample at limit |
| Grandview at Las Vegas · Las Vegas | 5,750 | - | - | 0 | None found |
| Cosmopolitan Hotel · Las Vegas | 5,534 | - | - | 0 | None found |
| Linq Hotel and Casino · Las Vegas | 5,172 | - | - | 0 | None found |
| City of Yerington · Yerington | 5,050 | - | - | 0 | None found |
| Ely Municipal Water Department · Ely | 5,000 | - | - | 0 | None found |
| West Wendover Water System · West Wendover | 4,535 | - | - | 0 | None found |
| Mountain Falls Water System Gbwc · Pahrump | 4,345 | - | - | 0 | None found |
| Creech Air Force Base · Creech Afb | 4,200 | - | - | 1 | Below limits |
| Kingsbury Gid · Stateline | 3,839 | - | - | 0 | None found |
| Edgewood Water Company · Stateline | 3,800 | - | - | 0 | None found |
| Great Basin Water CO Spring Creek Mhp · Spring Creek | 3,640 | - | - | 0 | None found |
| Lander CO Sewer and Water Dist 1 Bm · Battle Mountian | 3,635 | - | - | 0 | None found |
| Lovelock Meadows Water District · Lovelock | 3,562 | - | - | 0 | None found |
| M Resort Spa and Casino · Las Vegas | 3,550 | - | - | 0 | None found |
| Town of Minden · Minden | 3,500 | - | - | 0 | None found |
| Polo Towers · Las Vegas | 1,512 | - | - | 1 | Below limits |
| Sand Creek · Fallon | 953 | - | - | 0 | None found |
| Tropicana Resort and Casino · Las Vegas | 300 | - | - | 0 | None found |
| Chipmunk Retreat · Pahrump | 45 | - | - | 0 | None found |
| Mirage Resort and Casino | - | - | 0 | None found |
On a private well in Nevada?
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 Nevada drinking water: results for 59 systems." Data: U.S. EPA UCMR 5, final release August 2026. https://wellandtap.com/pfas/nevada/
Source: EPA UCMR 5 final occurrence data (August 2026); population from EPA SDWIS. Method.