Washoe County, NV
The federal environmental record for Washoe County (population 498,022): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
0
Superfund NPL sites
8
federal cleanup sites
2
PFAS-detecting water systems
16
TRI facilities
19
open tank releases
Drinking water: PFAS testing
Public water systems serving Washoe 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 |
|---|---|---|
| TRUCKEE MEADOWS WATER AUTHORITY NV0000190 | PFOS: 20 ng/L PFHxS: 15 ng/L PFPeA: 13 ng/L | above final limit |
| GREAT BASIN WATER CO COLD SPRINGS NV0000207 | PFPeA: 6.2 ng/L PFBS: 5.1 ng/L PFHxA: 4.7 ng/L | detected |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
16 facilities in Washoe filed TRI reports for 2024, totalling 22k lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| LENNOX AES-RENO | RENO | Chlorodifluoromethane (HCFC-22), Manganese | 11k lb |
| TRIVIUM PACKAGING USA INC | SPARKS | n-Butyl alcohol, Certain glycol ethers | 8k lb |
| VEKA WEST INC. | RENO | Chromium compounds (except for chromite ore mined in the Transvaal Region), Antimony compounds | 836 lb |
| TRADEMARK | RENO | Propylene oxide | 662 lb |
| ELITE SPICE INC. | SPARKS | Propylene oxide, Ethylene oxide | 396 lb |
| EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP | RENO | Chromium, Nickel | 260 lb |
| 3D CONCRETE | SPARKS | Lead And Lead Compounds, Mercury And Mercury Compounds | 20 lb |
| JENSEN PRECAST | SPARKS | Lead compounds | 1 lb |
| FLYERS ENERGY #3001 | SPARKS | - | 0 lb |
| VDM METALS USA LLC | RENO | - | 0 lb |
| WEBER METALS INC. | VERDI | - | 0 lb |
| CEMEX CONSTRUCTION MATERIALS LP - RENO RM PLANT | RENO | - | 0 lb |
| COLORITE PLASTICS CO | SPARKS | - | 0 lb |
| CHEVRON PHILLIPS CHEMICAL CO PERFORMANCE PIPE DIV | RENO | - | 0 lb |
| RINKER RENO PIPE | SPARKS | Lead | 0 lb |
| AMERICAN READY MIX SPARKS PLANT | SPARKS | - | 0 lb |
Underground fuel tanks
EPA's UST Finder records 997 tank facilities in Washoe: 613 tanks in service and 2,190 closed. 137 fuel releases are on record, of which 19 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Washoe 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 Washoe, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- MONITE DYNAMITE SITESPARKS
- REED HIGH SCHOOL MERCURY SITESPARKS
- RENO BLOOD LEADRENO
- RIVER BELLE MOBILE HOMEVERDI
- SMOKE CANYON DRIVE MERCURYSUN VALLEY
- SPANISH SPRINGS LIBRARYSPARKS
- SPARKS SOLVENT/FUEL SITESPARKS
- TRIGON CORP.SPARKS