EPA TRI Facility · Metal Mining
Hecla Greens Creek Mining Co
Juneau, AK · Parent: Hecla Mining Co
- Total releases
- 375.5M lbs
- Chemicals reported
- 14
- Carcinogens
- 4
- Primary pathway
- Land Disposal
LAND Form-R mix
Hecla Greens Creek Mining Co: how the 375.5M lbs splits
375.5M lbs across all reported pathways
- Land Disposal 375.4M lbs 100.0%
- Air Releases 99.5K lbs <0.1%
- Water Discharges 2.2K lbs <0.1%
- Off-site Transfers 1.8K lbs <0.1%
Hecla Greens Creek Mining Co's 375.5M lbs Form-R total is LAND - land disposal is 100.0% of the bar. Next segment: air releases at <0.1%. Leading chemical by pounds: Barium compounds (except for barium sulfate (CAS No. 7727-43-7)).
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 TRACE-CARC
Hecla Greens Creek Mining Co is an EPA Toxics Release Inventory reporter in Juneau, AK, in the metal mining sector. It reported 98.1M lbs of releases across 13 chemicals in 2023, and 375.5M lbs in total across its 2019-2023 reporting years. That ranks 4 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Alaska's 54 reporting TRI sites, pounds #1 is not chemical-count #1. Hecla Greens Creek Mining Co is pounds #2 and chemical-count #7 at 375.5M lbs. Red Dog Operations leads reported pounds (3.3B lbs) at 23 chemicals (chemical-count #3). Pogo Mine leads chemical count at 30 chemicals (34.9M lbs, pounds #4). Reported volume rose against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Coeur Alaska Inc Kensington Gold Project; Crowley Juneau Bulk Fuel Storage Facility; Delta Western LLC Juneau Bulk Facility; Delta Western LLC Haines Bulk Facility. Similar-scale Metal Mining peers outside Alaska: Nevada Gold Mines LLC - Carlin South Area; Montana Resources LLC; Nevada Gold Mines LLC - Turquoise Ridge; Nevada Gold Mines Llc-Cortez District. Other Hecla Mining Co sites in this extract: Hecla Ltd Lucky Friday Mine Unit. Largest disclosed chemicals by pounds: Barium compounds (except for barium sulfate (CAS No. 7727-43-7)); Zinc compounds; Lead compounds; Chromium.
Hecla Greens Creek Mining Co stamps DENSE volume with a dominant LAND pathway (100.0% land disposal) across 14 chemicals · 4 carcinogen-classified. Cumulative Form-R extract: 375.5M lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Nevada Gold Mines LLC - Carlin South Area and Montana Resources LLC.
Hecla Greens Creek Mining Co vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
376M lbs Top 1% higher than 100% of 25,986 reporting TRI facilities
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
Hecla Greens Creek Mining Co inside Juneau City And Borough's TRI pounds
Among the 103 Metal Mining facilities in this database, Hecla Greens Creek Mining Co reports the 4th-largest volume, placing it in the top 3.9% of its sector. This one site accounts for 97.1% of every pound reported in Juneau City And Borough. Its reported volume is concentrated rather than spread: Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) alone is 72.1% of the total. Scale peers outside Alaska include Nevada Gold Mines LLC - Carlin South Area and Montana Resources LLC.
County-dominant here means ≥25% of Juneau City And Borough's reported pounds (386.9M lbs county total). Shares only print when the site reports ≥1,000 lbs.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Hecla Greens Creek Mining Co's total reported releases rose from 90.0 million lb in 2022 to 98.1 million lb in 2023, based on EPA TRI filings.
- Hecla Greens Creek Mining Co's off-site transfers fell from 831 lb in 2022 to 305 lb in 2023, based on EPA TRI filings.
- Hecla Greens Creek Mining Co's land releases rose from 90.0 million lb in 2022 to 98.1 million lb in 2023, based on EPA TRI filings.
- Hecla Greens Creek Mining Co's chemicals reported rose from 12 in 2022 to 13 in 2023, based on EPA TRI filings.
Hecla Greens Creek Mining Co Form-R facts
Compare this facility
See how Hecla Greens Creek Mining Co stacks up against nearby facilities and the typical reporter.
33.1× more than the comparison
18% less 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 Hecla Greens Creek Mining Co releases toxic chemicals into the environment. Total: 375.5M lbs.
Emissions Trend Summary
From 2019 to 2023, total releases increased by 69% (58.0M lbs to 98.1M lbs).
Hecla Greens Creek Mining Co: annual Form-R pounds
DENSE site · LAND pathway · TRI years 2019–2023
- 2019
- 2020
- 2021
- 2022
- 2023
What this shows Hecla Greens Creek Mining Co year-over-year reported totals (increased 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: Barium compounds (except for barium sulfate (CAS No. 7727-43-7)).
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 58.0M lbs | 13 |
| 2020 | 58.6M lbs | 12 |
| 2021 | 70.9M lbs | 12 |
| 2022 | 90.0M lbs | 12 |
| 2023 | 98.1M lbs | 13 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 4 of 14 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 270.6M lbs | - |
| Zinc compounds | 68.8M lbs | - |
| Lead compounds | 35.8M lbs | - |
| Chromium | 157.5K lbs | - |
| Manganese | 60.5K lbs | - |
| Mercury compounds | 45.8K lbs | - |
| Copper compounds | 19.9K lbs | - |
| Arsenic compounds | 423 lbs | Carcinogen |
| Polycyclic aromatic compounds | 137 lbs | Carcinogen |
| Cadmium compounds | 48 lbs | Carcinogen |
| Antimony compounds | 16 lbs | - |
| 1,2,4-Trimethylbenzene | 0 lbs | - |
| Naphthalene | 0 lbs | Carcinogen |
| Xylene (mixed isomers) | 0 lbs | - |
Hecla Greens Creek Mining Co · LAND-pathway site
Nearest TRI Facilities to Hecla Greens Creek Mining Co
Closest other reporters in Alaska - including Coeur Alaska Inc Kensington Gold Project, Crowley Juneau Bulk Fuel Storage Facility, Delta Western LLC Juneau Bulk Facility, ordered by distance.
Showing 8 of 53 other reporting facilities in Alaska.
Similar Metal Mining Facilities
Other Metal Mining facilities with similar total release volumes (±80%), outside Alaska - e.g. Nevada Gold Mines LLC - Carlin South Area, Montana Resources LLC, Nevada Gold Mines LLC - Turquoise Ridge.
Compare beyond Alaska
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Hecla Greens Creek Mining Co on cumulative reported pounds (375.5M lbs) and distinct chemical count (14). Release-pound peers include Nevada Gold Mines LLC - Carlin South Area, Montana Resources LLC, Nevada Gold Mines LLC - Turquoise Ridge. Chemical-count peers include Shell New Haven Terminal, Chambers Cogeneration L.P., Avantor Performance Materials. Neighborhoods are forced disjoint so each axis surfaces a different set of sites.
Similar reported release pounds
Nearest out-of-state reporters (≥1,000 lbs) by absolute TRI pounds, not same-industry or same-county neighbors.
- Nevada Gold Mines LLC - Carlin South Area Carlin, NV · Metal Mining 216.7M lbs reported
- Montana Resources LLC Butte, MT · Metal Mining 215.2M lbs reported
- Nevada Gold Mines LLC - Turquoise Ridge Golconda, NV · Metal Mining 180.8M lbs reported
- Basin Electric Antelope Valley Station Beulah, ND · Electric Utilities 167.8M lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
Other Hecla Mining Co Facilities
Same-parent TRI sites ranked by reported releases - including Hecla Ltd Lucky Friday Mine Unit.
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 Barium compounds (except for barium sulfate (CAS No. 7727-43-7)), Zinc compounds, Lead compounds, Chromium; nearby reporters include Coeur Alaska Inc Kensington Gold Project. Hecla Greens Creek Mining Co stamps DENSE volume · LAND pathway · TRACE-CARC 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 Hecla Greens Creek Mining Co TRI extract (DENSE · LAND · TRACE-CARC · lead Barium compounds (except for barium sulfate (CAS No. 7727-43-7))) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Hecla Greens Creek Mining Co totals are self-reported EPCRA §313 estimates for Juneau, AK, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 212222 · Metal Mining. 97.1% of Juneau City And Borough TRI pounds in this extract. Nearest ABS peer: Nevada Gold Mines LLC - Carlin South Area (Δ 158.8M lbs). Pounds ≠ exposure.
Hecla Greens Creek Mining Co stamps DENSE volume · LAND pathway · TRACE-CARC · lead Barium compounds (except for barium sulfate (CAS No. 7727-43-7)). 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