EPA TRI Facility · Metal Mining

Nevada Gold Mines LLC - Turquoise Ridge

Golconda, NV · Parent: Nevada Gold Mines LLC

Total releases
180.8M lbs
Chemicals reported
28
Carcinogens
5
Primary pathway
Land Disposal

LAND Form-R mix

Nevada Gold Mines LLC - Turquoise Ridge: how the 180.8M lbs splits

180.8M lbs across all reported pathways

  • Land Disposal 180.6M lbs 99.9%
  • Air Releases 224.0K lbs 0.1%
  • Off-site Transfers 7.6K lbs <0.1%
  • Water Discharges 4.0K lbs <0.1%

Nevada Gold Mines LLC - Turquoise Ridge's 180.8M lbs Form-R total is LAND - land disposal is 99.9% of the bar. Next segment: air releases at 0.1%. Leading chemical by pounds: Arsenic compounds.

Carcinogen-classified pounds vs other reported pounds

Same cumulative TRI total as above, split by EPA/IARC carcinogen classification on each chemical: pounds share, not chemical count. Classification is not a site health-risk score.

DENSE volume LAND pathway CARC-MID

Nevada Gold Mines LLC - Turquoise Ridge is an EPA Toxics Release Inventory reporter in Golconda, NV, in the metal mining sector. It reported 15.9M lbs of releases across 22 chemicals in 2023, and 180.8M lbs in total across its 2019-2023 reporting years. That ranks 7 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Nevada's 158 reporting TRI sites, pounds #1 is not chemical-count #1. Nevada Gold Mines LLC - Turquoise Ridge is pounds #3 and chemical-count #4 at 180.8M lbs. Nevada Gold Mines LLC - Goldstrike Mines Inc leads reported pounds (930.8M lbs) at 33 chemicals (chemical-count #2). US Ecology Nevada Inc. leads chemical count at 93 chemicals (41.2M lbs, pounds #8). Reported volume rose against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Midas Project; Granite Creek Mine; Hollister Mine; Hycroft Mine. Similar-scale Metal Mining peers outside Nevada: Montana Resources LLC; Fort Knox Mine; Nyrstar Clarksville Inc; Hecla Ltd Lucky Friday Mine Unit. Other Nevada Gold Mines LLC sites in this extract: Nevada Gold Mines LLC - Goldstrike Mines Inc; Nevada Gold Mines Llc-Cortez District; Nevada Gold Energy LLC. Largest disclosed chemicals by pounds: Arsenic compounds; Antimony compounds; Nitrate compounds (water dissociable; reportable only when in aqueous solution); Manganese And Manganese Compounds.

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Nevada Gold Mines LLC - Turquoise Ridge stamps DENSE volume with a dominant LAND pathway (99.9% land disposal) across 28 chemicals · 5 carcinogen-classified. Cumulative Form-R extract: 180.8M lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Montana Resources LLC and Fort Knox Mine.

#7 of 25,986 TRI facilities nationwide by total reported releases - among the top 0.1% of reporting sites by volume. Ranking reflects reported pounds, not toxicity or health risk.

Nevada Gold Mines LLC - Turquoise Ridge vs. every reporting TRI facility

Cumulative reported release pounds, with this facility marked in the national distribution

181M lbs Top 1% higher than 100% of 25,986 reporting TRI facilities

This facility 0 lbs 20M+ lbs every reporting TRI facility, bucketed by value

Each bar is a $1M-wide band; taller bars hold more reporting TRI facilities. The dashed line and filled bar mark this facility. Hover, focus, or tap a bar for its full count, share, and position.

Source U.S. Environmental Protection Agency, Toxics Release Inventory · 2023 reporting year

Nevada Gold Mines LLC - Turquoise Ridge inside Humboldt's TRI pounds

Among the 103 Metal Mining facilities in this database, Nevada Gold Mines LLC - Turquoise Ridge reports the 7th-largest volume, placing it in the top 6.8% of its sector. This one site accounts for 96.1% of every pound reported in Humboldt. Scale peers outside Nevada include Montana Resources LLC and Fort Knox Mine.

County-dominant here means ≥25% of Humboldt's reported pounds (188.0M lbs county total). Shares only print when the site reports ≥1,000 lbs.

Annual disclosure change

What changed: EPA TRI 2023 reporting year

2022 → 2023
  • Nevada Gold Mines LLC - Turquoise Ridge's total reported releases rose from 15.6 million lb in 2022 to 15.9 million lb in 2023, based on EPA TRI filings.
  • Nevada Gold Mines LLC - Turquoise Ridge's off-site transfers rose from 16 lb in 2022 to 7.3 thousand lb in 2023, based on EPA TRI filings.
  • Nevada Gold Mines LLC - Turquoise Ridge's water releases rose from 620 lb in 2022 to 798 lb in 2023, based on EPA TRI filings.
  • Nevada Gold Mines LLC - Turquoise Ridge's chemicals reported rose from 21 in 2022 to 22 in 2023, based on EPA TRI filings.

Nevada Gold Mines LLC - Turquoise Ridge Form-R facts

Sector
Metal Mining
DENSE volume
180.8M lbs
LAND pathway
Land Disposal
CARC-MID chem count
28 · 5 carc.
Lead chemical
Arsenic compounds

Compare this facility

See how Nevada Gold Mines LLC - Turquoise Ridge stacks up against nearby facilities and the typical reporter.

Total reported releases
Nevada Gold Mines LLC - Turquoise Ridge
180.8M lbs
Midas Project
42.1K lbs

4296.8× more than the comparison

Chemicals reported
Nevada Gold Mines LLC - Turquoise Ridge
28
Midas Project
12

2.3× more than the comparison

Comparison reflects reported pounds and chemical counts, not toxicity or health risk. Averages cover facilities reporting any release.

How does this facility release toxic chemicals?

How Nevada Gold Mines LLC - Turquoise Ridge releases toxic chemicals into the environment. Total: 180.8M lbs.

Land Disposal 180.6M lbs (99.9%)
Air Releases 224.0K lbs (0.1%)
Off-site Transfers 7.6K lbs (<0.1%)
Water Discharges 4.0K lbs (<0.1%)
View 5-Year Emissions Trend →

Emissions Trend Summary

From 2019 to 2023, total releases decreased by 69% (51.6M lbs to 15.9M lbs).

Nevada Gold Mines LLC - Turquoise Ridge: annual Form-R pounds

DENSE site · LAND pathway · TRI years 2019–2023

million lbs

What this shows Nevada Gold Mines LLC - Turquoise Ridge year-over-year reported totals (decreased by 69% from 2019 to 2023). TRI figures are self-reported estimates and can swing with production, waste handling, and reporting changes, not only with controls. Lead chemical in the extract: Arsenic compounds.

Source EPA Toxics Release Inventory (TRI)
Year Total Chemicals
2019 51.6M lbs 22
2020 77.3M lbs 23
2021 20.4M lbs 21
2022 15.6M lbs 21
2023 15.9M lbs 22

Chemical Releases

Aggregated across all reporting years (2019–2023). 5 of 28 chemicals are carcinogens. Sorted by total release volume.

Chemical Total Flags
Arsenic compounds 86.6M lbs Carcinogen
Antimony compounds 32.2M lbs -
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 20.5M lbs -
Manganese And Manganese Compounds 14.3M lbs -
Lead And Lead Compounds 10.7M lbs -
Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) 5.2M lbs -
Zinc compounds 2.8M lbs -
Mercury And Mercury Compounds 2.4M lbs -
Copper And Copper Compounds 1.4M lbs -
Vanadium compounds 1.3M lbs -
Ammonia 841.8K lbs -
Nickel compounds 714.6K lbs Carcinogen
Cyanide compounds 451.0K lbs -
Thallium compounds 336.8K lbs -
Cobalt compounds 197.8K lbs Carcinogen
Cobalt And Cobalt Compounds 197.3K lbs Carcinogen
Selenium compounds 166.5K lbs -
Silver compounds 149.7K lbs -
Propylene 95.0K lbs -
Hydrogen sulfide 39.6K lbs -
Silver And Silver Compounds 24.3K lbs -
Hydrogen cyanide 9.2K lbs -
Toluene 1.9K lbs -
Xylene (mixed isomers) 1.6K lbs -
Naphthalene 1.3K lbs Carcinogen
Nitric acid 926 lbs -
Ethylene glycol 483 lbs -
Zinc (fume or dust) 0 lbs -

Nevada Gold Mines LLC - Turquoise Ridge · LAND-pathway site

Golconda, NV
40.9541, -117.4851
County TRI context
Humboldt · 96.1% of county pounds
Parent company
Nevada Gold Mines LLC

Compare beyond Nevada

Nationwide peers by reported pounds & chemical count

Cross-state TRI reporters nearest Nevada Gold Mines LLC - Turquoise Ridge on cumulative reported pounds (180.8M lbs) and distinct chemical count (28). Release-pound peers include Basin Electric Antelope Valley Station, Montana Resources LLC, Kennecott Utah Copper Smelter & Refinery. Chemical-count peers include Axalta Coating Systems USA Llc-Front Royal Plant, Pleasants Power Station, Chemours Washington Works. Neighborhoods are forced disjoint so each axis surfaces a different set of sites.

Other Nevada Gold Mines LLC Facilities

Same-parent TRI sites ranked by reported releases - including Nevada Gold Mines LLC - Goldstrike Mines Inc, Nevada Gold Mines Llc-Cortez District, Nevada Gold Energy LLC.

About TRI Data

Data as of 2023 reporting year. Source: U.S. Environmental Protection Agency (EPA) Toxic Release Inventory.

On this page the largest disclosed chemicals include Arsenic compounds, Antimony compounds, Nitrate compounds (water dissociable; reportable only when in aqueous solution), Manganese And Manganese Compounds; nearby reporters include Midas Project. Nevada Gold Mines LLC - Turquoise Ridge stamps DENSE volume · LAND pathway · CARC-MID carcinogen-lbs on this Form-R extract. Totals are self-reported estimates under EPCRA §313, not measured stack emissions or a health-risk score.

Use and verify this record

This Nevada Gold Mines LLC - Turquoise Ridge TRI extract (DENSE · LAND · CARC-MID · lead Arsenic compounds) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.

Nevada Gold Mines LLC - Turquoise Ridge totals are self-reported EPCRA §313 estimates for Golconda, NV, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 212221 · Metal Mining. 96.1% of Humboldt TRI pounds in this extract. Nearest ABS peer: Basin Electric Antelope Valley Station (Δ 13.0M lbs). Pounds ≠ exposure.

Nevada Gold Mines LLC - Turquoise Ridge stamps DENSE volume · LAND pathway · CARC-MID · lead Arsenic compounds. PlainEnviro renders this EPA Form-R extract from its pipeline; no figure is typed in by an editor. Corrections: editorial policy.

All federal data sources used on this page
  • EPA Toxics Release Inventory (TRI) Basic Data Files - annual self-reported chemical-release filings. epa.gov
  • EPA TRI Program reference - how chemicals and reported releases are counted. epa.gov
  • EPA Facility Registry Service - facility location and identity. epa.gov
  • EPA ECHO - regulatory and compliance context. epa.gov
  • EPA Envirofacts - the EPA data warehouse exposing these datasets. epa.gov