Elko County, NV
The federal environmental record for Elko County (population 54,293): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
0
Superfund NPL sites
16
federal cleanup sites
1
PFAS-detecting water systems
7
TRI facilities
8
open tank releases
Drinking water: PFAS testing
Public water systems serving Elko with at least one PFAS detection under UCMR5. The federal limit for PFOA and PFOS is 4 ng/L; EPA proposed in May 2026 to rescind the limits for the other compounds, which are shown for information.
| System | Highest results | Reading |
|---|---|---|
| ELKO CITY OF NV0000272 | PFOS: 46 ng/L PFHxS: 29 ng/L PFBS: 15 ng/L | above final limit |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
7 facilities in Elko filed TRI reports for 2024, totalling 52.0M lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| NEVADA GOLD MINES LLC - GOLDSTRIKE MINES INC | CARLIN | Arsenic compounds, Manganese And Manganese Compounds | 49.1M lb |
| NEVADA GOLD MINES LLC - ARTURO MINE | CARLIN | Lead And Lead Compounds, Mercury compounds | 3.0M lb |
| GRAYMONT WESTERN US INC PILOT PEAK LIME PRODUCTION | WEST WENDOVER | Lead And Lead Compounds, Mercury And Mercury Compounds | 13k lb |
| NEVADA GOLD MINES LLC- LONG CANYON MINE | OASIS | Hydrogen cyanide, Propylene | 2k lb |
| JERRITT CANYON MINE | ELKO | Propylene, Mercury And Mercury Compounds | 38 lb |
| JOY GLOBAL ELKO | ELKO | Manganese | 5 lb |
| PILOT THOMAS LOGISTICS LLC - CARLIN NV | CARLIN | Polycyclic aromatic compounds | 0 lb |
Underground fuel tanks
EPA's UST Finder records 242 tank facilities in Elko: 156 tanks in service and 482 closed. 122 fuel releases are on record, of which 8 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Elko as Zone 2, moderate predicted indoor radon (2 to 4 pCi/L average). Radon and air quality are covered in depth on lung.com.
The record for one specific address
County figures blur what matters: distance. The Address Environmental Report runs these same federal datasets against one address and reports every site, tank, polluter and water result around it, with distances, in about a minute.
Get the report - $39All federal cleanup sites on file
The wider Superfund enterprise inventory (SEMS) for Elko, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- AARON MININGCRESCENT VALLEY
- AMERICAN BEAUTY MINEELKO
- BAR RESOURCES INC BUCKHORN MINECARLIN
- BUCKSKIN NATIONAL MINEELKO
- CARLIN CHEMICALS SITECARLIN
- CHROMALLOY MINING & MINERALSELKO
- CRESCENT VALLEY MILLCRESCENT VALLEY
- DEE GOLD MINING CO - BLMELKO
- DUCK VALLEY PESTICIDEELKO
- EISENMAN CHEM CO BARITE MINING INCCARLIN
- ELKO VICTORIA CHEMICAL ERELKO
- MAGGIE CREEK SULFURIC ACID SPILLCARLIN
- MONTELLO SHEELITEMONTELLO
- NEVADA BARTH CORPPALISADE
- NEWMONT GOLD CO BOOTSTRAP SITECARLIN
- RIO TINTO MINEMOUNTAIN CITY