EPA TRI Facility · Metal Mining
Nyrstar- Immel Mine
Mascot, TN · Parent: Nyrstar US Inc
- Total releases
- 5.8M lbs
- Chemicals reported
- 5
- Latest report
- 2023
- Primary pathway
- Land Disposal
LAND Form-R mix
Nyrstar- Immel Mine: how the 5.8M lbs splits
5.8M lbs across all reported pathways
- Land Disposal 5.7M lbs 99.4%
- Air Releases 29.8K lbs 0.5%
- Water Discharges 2.5K lbs <0.1%
Nyrstar- Immel Mine's 5.8M lbs Form-R total is LAND - land disposal is 99.4% of the bar. Next segment: air releases at 0.5%. Leading chemical by pounds: Zinc compounds.
HEAVY volume LAND pathway CLEAN
Nyrstar- Immel Mine is an EPA Toxics Release Inventory reporter in Mascot, TN, in the metal mining sector. It reported 935.3K lbs of releases across 3 chemicals in 2023, and 5.8M lbs in total across its 2019-2023 reporting years. That ranks 370 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Tennessee's 595 reporting TRI sites, pounds #1 is not chemical-count #1. Nyrstar- Immel Mine is pounds #15 and chemical-count #151 at 5.8M lbs. Nyrstar Clarksville Inc leads reported pounds (72.9M lbs) at 13 chemicals (chemical-count #31). Tradebe Treatment & Recycling of Tn leads chemical count at 75 chemicals (6.3M lbs, pounds #13). Reported volume rose against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Exedy America Corp; Darling Ingredients Knoxville Facility; Nystar - Young Mine & Mill; Otics USA. Similar-scale Metal Mining peers outside Tennessee: Pend Oreille Mine; Materion Natural Resources Inc Mill; Marigold Mining Co; Asarco LLC Ray Mine Operations. Other Nyrstar US Inc sites in this extract: Nyrstar Clarksville Inc; Nystar Gordonsville Mine & Mill; Nystar - Young Mine & Mill; Nyrstar Coy-Mine. Largest disclosed chemicals by pounds: Zinc compounds; Lead compounds; Lead And Lead Compounds; Mercury compounds.
Nyrstar- Immel Mine stamps HEAVY volume with a dominant LAND pathway (99.4% land disposal) across 5 chemicals. Cumulative Form-R extract: 5.8M lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Pend Oreille Mine and Materion Natural Resources Inc Mill.
Nyrstar- Immel Mine vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
5.8M lbs Top 1% higher than 99% 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
Nyrstar- Immel Mine inside Knox's TRI pounds
Among the 103 Metal Mining facilities in this database, Nyrstar- Immel Mine reports the 43rd-largest volume (5.8M lbs). This one site accounts for 60.5% of every pound reported in Knox. Its reported volume is concentrated rather than spread: Zinc compounds alone is more than 99.9% of the total. Scale peers outside Tennessee include Pend Oreille Mine and Materion Natural Resources Inc Mill.
County-dominant here means ≥25% of Knox's reported pounds (9.5M lbs county total). Shares only print when the site reports ≥1,000 lbs.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Nyrstar- Immel Mine's total reported releases rose from 892.8 thousand lb in 2022 to 935.3 thousand lb in 2023, based on EPA TRI filings.
- Nyrstar- Immel Mine's air releases rose from 5.5 thousand lb in 2022 to 7.0 thousand lb in 2023, based on EPA TRI filings.
- Nyrstar- Immel Mine's water releases fell from 451 lb in 2022 to 410 lb in 2023, based on EPA TRI filings.
- Nyrstar- Immel Mine's land releases rose from 886.8 thousand lb in 2022 to 927.9 thousand lb in 2023, based on EPA TRI filings.
Nyrstar- Immel Mine Form-R facts
Compare this facility
See how Nyrstar- Immel Mine stacks up against nearby facilities and the typical reporter.
10324.9× more than the comparison
25% 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 Nyrstar- Immel Mine releases toxic chemicals into the environment. Total: 5.8M lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 28% (1.3M lbs to 935.3K lbs).
Nyrstar- Immel Mine: annual Form-R pounds
HEAVY site · LAND pathway · TRI years 2019–2023
- 2019
- 2020
- 2021
- 2022
- 2023
What this shows Nyrstar- Immel Mine year-over-year reported totals (decreased by 28% 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: Zinc compounds.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 1.3M lbs | 3 |
| 2020 | 1.5M lbs | 3 |
| 2021 | 1.2M lbs | 3 |
| 2022 | 892.8K lbs | 3 |
| 2023 | 935.3K lbs | 3 |
Chemical Releases
Aggregated across all reporting years (2019–2023). Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Zinc compounds | 5.8M lbs | - |
| Lead compounds | 987 lbs | - |
| Lead And Lead Compounds | 340 lbs | - |
| Mercury compounds | 20 lbs | - |
| Mercury And Mercury Compounds | 7 lbs | - |
Nyrstar- Immel Mine · LAND-pathway site
Nearest TRI Facilities to Nyrstar- Immel Mine
Closest other reporters in Tennessee - including Exedy America Corp, Darling Ingredients Knoxville Facility, Nystar - Young Mine & Mill, ordered by distance.
Showing 8 of 594 other reporting facilities in Tennessee.
Similar Metal Mining Facilities
Other Metal Mining facilities with similar total release volumes (±80%), outside Tennessee - e.g. Pend Oreille Mine, Materion Natural Resources Inc Mill, Marigold Mining Co.
Compare beyond Tennessee
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Nyrstar- Immel Mine on cumulative reported pounds (5.8M lbs) and distinct chemical count (5). Release-pound peers include International Paper Franklin Mill, Chemours Washington Works, Lacc LLC Us/lotte Chemical Louisiana LLC. Chemical-count peers include Abbvie Ltd, Lilly del Caribe Inc Carolin A, Baxter Healthcare of Puerto Rico LLC. 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.
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
Other Nyrstar US Inc Facilities
Same-parent TRI sites ranked by reported releases - including Nyrstar Clarksville Inc, Nystar Gordonsville Mine & Mill, Nystar - Young Mine & Mill.
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 Zinc compounds, Lead compounds, Lead And Lead Compounds, Mercury compounds; nearby reporters include Exedy America Corp. Nyrstar- Immel Mine stamps HEAVY volume · LAND pathway · CLEAN 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 Nyrstar- Immel Mine TRI extract (HEAVY · LAND · CLEAN · lead Zinc compounds) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Nyrstar- Immel Mine totals are self-reported EPCRA §313 estimates for Mascot, TN, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 212230 · Metal Mining. 60.5% of Knox TRI pounds in this extract. Nearest ABS peer: International Paper Franklin Mill (Δ 5.7K lbs). Pounds ≠ exposure.
Nyrstar- Immel Mine stamps HEAVY volume · LAND pathway · CLEAN · lead Zinc 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