County page
Lyon County
Lyon County currently shows 2 Superfund sites, 37 imported facility profiles, and 43,051 lbs in loaded TRI releases.
Overview
What this county page is saying
This live county page is generated from the ingested EPA datasets. It merges ECHO facility compliance rows, TRI release totals, and any Superfund sites attached to Lyon County.
The latest loaded TRI year is 2024, with 43,051 lbs in county-level on-site releases tied to the imported facility set.
Focus points
Design and product notes
County pages combine facility compliance history with chemical release totals.
TRI chemistry shows what is being reported, while ECHO shows who keeps drawing enforcement attention.
Superfund records add legacy cleanup context even when live contaminant detail is still sparse.
Superfund layer
Cleanup sites in this county
Anaconda Copper Mine
Anaconda Copper Mine is in EPA's Superfund layer for Yerington, NV. Live ingestion currently includes the official EPA detail links and geocoded site record.
Carson River Mercury Site
Carson River Mercury Site is in EPA's Superfund layer for Dayton, NV. Live ingestion currently includes the official EPA detail links and geocoded site record.
Facilities
Worst polluters and compliance pressure
Nevada Cement Co
Significant Violation across 12 of the last 12 quarters, with $67,000 in recorded penalties.
Best Environmental Marine Diesel Project
Violation across 10 of the last 12 quarters, with $12,254 in recorded penalties.
Dayton Valley Country Club
Violation across 12 of the last 12 quarters in the imported ECHO record.
Carson River Estates
Significant Violation across 12 of the last 12 quarters in the imported ECHO record.
Dayton Tap House Llc
Significant Violation across 11 of the last 12 quarters in the imported ECHO record.
East 50 Bar
Significant noncompliance across 11 of the last 12 quarters in the imported ECHO record.
Stagecoach Gid
Violation Identified across 10 of the last 12 quarters in the imported ECHO record.
City of Yerington
Significant noncompliance across 9 of the last 12 quarters in the imported ECHO record.
21st Century Environmental Llc - Clean Earth Tsdf
Violation across 5 of the last 12 quarters in the imported ECHO record.
Cg Bar
Significant noncompliance across 4 of the last 12 quarters in the imported ECHO record.
Fernley Public Works
Significant noncompliance across 4 of the last 12 quarters in the imported ECHO record.
Rosies Place
Significant noncompliance across 4 of the last 12 quarters in the imported ECHO record.
Stagecoach Country Market
Significant noncompliance across 4 of the last 12 quarters in the imported ECHO record.
Stagecoach Market
Significant noncompliance across 4 of the last 12 quarters in the imported ECHO record.
Medallic Art Co. Ltd.
No Violation Identified. Last recorded ECHO inspection: 2017-06-14.
Carboline Global Inc
No Violation Identified across 1 of the last 12 quarters in the imported ECHO record.
Western Emulsion Plant
No Violation Identified. Last recorded ECHO inspection: 2017-06-09.
Fernley Facility
No Violation Identified. Last recorded ECHO inspection: 2024-08-05.
Smith Valley Cattle Feeders
No Violation Identified across 3 of the last 12 quarters in the imported ECHO record.
Pumpkin Hollow Shaft Site
No Violation Identified across 3 of the last 12 quarters in the imported ECHO record.
| Chemical | Group | Facilities | Total pounds |
|---|---|---|---|
| Ammonia | TRI-listed chemical | 1 | 32,743 lbs |
| Methanol | TRI-listed chemical | 1 | 8,115 lbs |
| Toluene | Volatile organic compound | 1 | 982 lbs |
| Xylene (mixed isomers) | Volatile organic compound | 1 | 439 lbs |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | Metals and metal compounds | 2 | 274 lbs |
| Zinc compounds | TRI-listed chemical | 2 | 176 lbs |
| Vanadium compounds | TRI-listed chemical | 1 | 62 lbs |
| Manganese | TRI-listed chemical | 1 | 58 lbs |
| Nickel compounds | Metals and metal compounds | 2 | 51 lbs |
| Diisocyanates | TRI-listed chemical | 2 | 26 lbs |
| Hydrogen fluoride | TRI-listed chemical | 1 | 20 lbs |
| Mercury compounds | TRI-listed chemical | 3 | 17 lbs |
| Ethylene glycol | TRI-listed chemical | 1 | 15 lbs |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | TRI-listed chemical | 1 | 12 lbs |
| Naphthalene | TRI-listed chemical | 1 | 11 lbs |
| Nonylphenol | TRI-listed chemical | 1 | 10 lbs |
| 4, 4'-Isopropylidenediphenol | TRI-listed chemical | 1 | 10 lbs |
| Certain glycol ethers | TRI-listed chemical | 1 | 8 lbs |
| Polycyclic aromatic compounds | TRI-listed chemical | 4 | 8 lbs |
| Lead compounds | Metals and metal compounds | 4 | 8 lbs |
Violation pages
State-level violation context tied to this county
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Clean Air Act violations in Nevada
Nevada facilities in the imported ECHO data show air-program oversight, inspections, or noncompliance signals.
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Clean Water Act violations in Nevada
Nevada facilities in the imported ECHO data show water-permit pressure, inspections, or noncompliance signals.
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RCRA violations in Nevada
Nevada facilities in the imported ECHO data show hazardous-waste or RCRA oversight signals.