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Review government records associated with Elko, Nevada.
Toxin Scout is in beta. Please verify important findings with the linked sources.
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Preparing Elko environmental records...
Check your water bill for your utility name and confirm the reporting year. See EPA’s guide to finding your annual water quality report.
Public water-system records for Elko, NV from EPA SDWIS.
Elko City of
PFAS above an official threshold detected in available EPA records.
Reviewed: active/open records as of Q1 2026
City listed in EPA records · Serves 23,000 people
Data from EPA SDWIS
PFAS screening separates EPA UCMR5 drinking-water monitoring from nearby DoD PFAS investigation-site records; EPA samples shown are from Jul 2024 to Jan 2025.
Drinking Water PFAS Monitoring
EPA UCMR5 samples public water systems. These results are separate from nearby PFAS cleanup or investigation-site records.
11 PFAS sample results above EPA limits
Sample period: Jul 2024 to Jan 2025
UCMR5 results are sampled by public water system, not every household. Confirm your water provider before treating these as tap-water results for a specific address.
| Chemical | Concentration (µg/L) | EPA Limit (µg/L) | Sample date | Over Limit |
|---|---|---|---|---|
| PFOS | 0.0460 | 0.0040 | 2025-01-22 | Yes |
| PFHxS | 0.0290 | 0.0100 | 2025-01-22 | Yes |
| PFHxS | 0.0220 | 0.0100 | 2025-01-22 | Yes |
| PFHxS | 0.0140 | 0.0100 | 2024-07-16 | Yes |
| PFHxS | 0.0130 | 0.0100 | 2025-01-22 | Yes |
| PFOS | 0.0120 | 0.0040 | 2024-07-15 | Yes |
| PFOS | 0.0079 | 0.0040 | 2025-01-22 | Yes |
| PFOS | 0.0069 | 0.0040 | 2024-07-16 | Yes |
| PFOA | 0.0059 | 0.0040 | 2024-07-16 | Yes |
| PFOA | 0.0057 | 0.0040 | 2025-01-22 | Yes |
| PFOA | 0.0046 | 0.0040 | 2025-01-22 | Yes |
PFAS detections below EPA limits.
Nearby PFAS Investigation Sites
DoD records are nearby site investigations, not Elko drinking-water detections. Record names come from the source database and can be broad.
No DoD PFAS investigation records shown for this report.
EPA ATTAINS records identify assessed water bodies that do not meet water-quality standards for designated uses.
Adobe Creek-Humboldt River
Reported: Nov 2026
Health-relevant causes: Mercury
Affected uses: Ecological, Fishconsumption, Recreation
Data from EPA ATTAINS
Reviewed: source records as of Q4 2025
To investigate water contamination, check the sampling locations, dates and results below. For tap water records, see Drinking water quality above.
Reviewed: source records as of 2026
Review historical EPA air pollution records, including monitoring and facility emissions where available. For current conditions, check local air quality on AirNow.
Elko County
Assessment year: 2020
According to EPA, a cancer risk of 10-in-1-million means that for every 1 million people continuously exposed to these air toxics over a 70-year lifetime, an estimated 10 may develop cancer from that exposure. This is in addition to cancer risk from all other causes.
Top modeled source groups
Data from EPA AirToxScreen
No EPA nonattainment designation records shown for this report.
EPA annual monitor summaries describe past measurements. For current air quality, see AirNow.
Elko Grammar School No. 2
Annual mean: 28.9 Micrograms/cubic meter (25 C)
EPA primary exceedance count: 1 (PM10 24-hour 2006)
Includes measurements flagged for exceptional events.
Observation year: 2025
Data from EPA AQS
Reviewed: source records as of Q4 2025
TRI releases are self-reported annual totals (calendar year 2024). Hover fugitive or stack for definitions.
Bald Mountain Mine
Reported: 2024
Joy Global Elko
Reported: 2024
Reviewed: source query run Nov 2026
Brownfield sites are properties where redevelopment is complicated by the presence of hazardous substances.
Open data source: Search EPA ECHO1 site with active cleanup or investigation status
1500 College Parkway, Elko
Reported: Feb 2026
Facilities with hazardous-waste handler records under RCRA in the reviewed 5-mile city-center search area. Active handler status is separate from air, water, or other ECHO compliance violations, which are shown in their own sections.
Active RCRA handler records in the reviewed city search area
Release reports
Reported: Dec 2021
Data from EPA UST Finder
Toxics Release Inventory data — chemicals disposed on-site at reporting facilities.
Bald Mountain Mine
Open data source: View EPA TRI facility recordSites regulated by the Mine Safety and Health Administration, including mines, sand and gravel operations, and portable crushers. Status and type are from the MSHA Mine Data Retrieval System. Records with active/intermittent status dates older than 5 years are shown as older records rather than current active sites.
More MSHA records matched the search than this preview shows.
Recently updated active/intermittent sites (2)
Data from MSHA
Elko County, NV
EPA Radon Zone Map (June 2024 release)
Elko County is EPA Radon Zone 2 (moderate potential). EPA defines Zone 2 counties as having predicted average indoor screening levels between 2 pCi/L and 4 pCi/L.
Radon levels can vary from home to home, so EPA recommends testing the property to know its indoor level.
FEMA flood zones describe mapped flood hazards. Look up a specific address with FEMA.
Special Flood Hazard Area — 1% annual chance of flooding (100-year floodplain) with base flood elevation.
Results use an earlier stored RMP inventory. Current EPA ECHO location coverage is unverified.
No EPA ECHO RMP facility records with a usable location matched this city report.
Health outcomes from County Health Rankings. Values shown alongside state and national averages.
Elko County, NevadaPop. 54,046
County Health Rankings edition: 2024
Premature Death
Poor or Fair Health
Poor Physical Health Days
Poor Mental Health Days
Adult Smoking
Adult Obesity
Air Pollution - Particulate Matter
Drinking water violation indicator
Diabetes Prevalence
Life Expectancy
| Indicator | County | State | National |
|---|---|---|---|
| Premature Death | 9,471 | 8,317 | 7,972 |
| Poor or Fair Health | 18.5% | 17.8% | 14.2% |
| Poor Physical Health Days | 4.4 | 4.1 | 3.3 |
| Poor Mental Health Days | 5.4 | 5.5 | 4.8 |
| Adult Smoking | 18.0% | 15.3% | 15.0% |
| Adult Obesity | 34.8% | 31.5% | 34.0% |
| Air Pollution - Particulate Matter | 4.2 | 4.2 | 7.3 |
| Drinking water violation indicator | No | N/A | N/A |
| Diabetes Prevalence | 9.9% | 10.2% | 9.6% |
| Life Expectancy | 76.6 | 77.0 | 77.6 |
EPA testing found PFAS in water samples from the City of Elko. Results dated Jul 15, 2024 to Jan 22, 2025 include PFOS at 0.0069 to 0.046 micrograms per liter and PFHxS at 0.0035 to 0.029 micrograms per liter.
Check with the utility that serves your address for its testing results.
EPA drinking water records on this page list 6 violations for the City of Elko.
Check your water bill to identify the utility serving your address. Ask that utility about current drinking water advisories.
Nearby EPA monitoring stations provide annual air quality measurements for Elko.
The monitoring station at Elko Grammar School No. 2 recorded an annual average of 28.9 Micrograms/cubic meter (25 C) for particles (PM10) in 2025.
The radon data for Elko covers Elko County. EPA places this area in Zone 2, with a predicted average indoor radon screening level of 2 to 4 picocuries per liter.
No Superfund sites were returned for this city report.
This city report shows 1 brownfield site: Elko Great Basin College.
The county data for Elko reports a life expectancy of 76.6 years in Elko County, Nevada.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.
The county data for Elko reports 9,471 years of life lost to deaths before age 75 per 100,000 residents in Elko County, Nevada. This measure adds up the years lost to early deaths and adjusts for differences in population age.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.
The county data for Elko lists fine-particle pollution (PM2.5) at 4.2 micrograms per cubic meter in Elko County, Nevada.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.