EPA TRI Facility · Coal Mining
Westmoreland San Juan Mining LLC - San Juan Mine
Waterflow, NM · Parent: Westmoreland Mining LLC
- Total releases
- 3.6M lbs
- Chemicals reported
- 25
- Carcinogens
- 8
- Primary pathway
- Land Disposal
LAND Form-R mix
Westmoreland San Juan Mining LLC - San Juan Mine: how the 3.6M lbs splits
3.6M lbs across all reported pathways
- Land Disposal 3.6M lbs 100.0%
- Air Releases 4 lbs <0.1%
Westmoreland San Juan Mining LLC - San Juan Mine's 3.6M 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.
HEAVY volume LAND pathway CARC-LEAN
Westmoreland San Juan Mining LLC - San Juan Mine is an EPA Toxics Release Inventory reporter in Waterflow, NM, in the coal mining sector. It reported 3.6M lbs of releases across 25 chemicals, summed over every year it filed. That ranks 545 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In New Mexico's 97 reporting TRI sites, pounds #1 is not chemical-count #1. Westmoreland San Juan Mining LLC - San Juan Mine is pounds #10 and chemical-count #4 at 3.6M lbs. Dark Horse Treating Facility leads reported pounds (131.3M lbs) at 1 chemicals (chemical-count #82). Hollyfrontier Navajo Refining LLC - Artesia Refinery leads chemical count at 32 chemicals (1.2M lbs, pounds #14). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: San Juan Generating Station; Four Corners Steam Electric Station; Raytheon Missile Systems Dine'; Halliburton Farmington Field Camp (new). Similar-scale Coal Mining peers outside New Mexico: Trapper Mining Inc.; Humphrey No 7; Wild Boar Mine; Solar Sources Mining LLC Antioch Preparation Facility. Largest disclosed chemicals by pounds: Barium compounds (except for barium sulfate (CAS No. 7727-43-7)); Barium And Barium Compounds; Manganese compounds; Vanadium compounds.
Westmoreland San Juan Mining LLC - San Juan Mine stamps HEAVY volume with a dominant LAND pathway (100.0% land disposal) across 25 chemicals · 8 carcinogen-classified. Cumulative Form-R extract: 3.6M lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Trapper Mining Inc. and Humphrey No 7.
Westmoreland San Juan Mining LLC - San Juan Mine vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
3.6M lbs Top 2% higher than 98% 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
Westmoreland San Juan Mining LLC - San Juan Mine in the Coal Mining sector extract
Among the 37 Coal Mining facilities in this database, Westmoreland San Juan Mining LLC - San Juan Mine reports the 2nd-largest volume, placing it in the top 5.4% of its sector. Scale peers outside New Mexico include Trapper Mining Inc. and Humphrey No 7.
Sector rank uses reported TRI pounds only. Share callouts need ≥1,000 lbs so tiny totals cannot mint a false signal.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Westmoreland San Juan Mining LLC - San Juan Mine's total reported releases fell from 559.4 thousand lb in 2022 to 0 lb in 2023, based on EPA TRI filings.
- Westmoreland San Juan Mining LLC - San Juan Mine's land releases fell from 559.4 thousand lb in 2022 to 0 lb in 2023, based on EPA TRI filings.
- Westmoreland San Juan Mining LLC - San Juan Mine's chemicals reported fell from 10 in 2022 to 2 in 2023, based on EPA TRI filings.
Westmoreland San Juan Mining LLC - San Juan Mine Form-R facts
Compare this facility
See how Westmoreland San Juan Mining LLC - San Juan Mine stacks up against nearby facilities and the typical reporter.
27% less than the comparison
39% 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 Westmoreland San Juan Mining LLC - San Juan Mine releases toxic chemicals into the environment. Total: 3.6M lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 100% (1.1M lbs to 0 lbs).
Westmoreland San Juan Mining LLC - San Juan Mine: annual Form-R pounds
HEAVY site · LAND pathway · TRI years 2019–2023
- 2019
- 2020
- 2021
- 2022
- 2023 0
What this shows Westmoreland San Juan Mining LLC - San Juan Mine year-over-year reported totals (decreased by 100% 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 | 1.1M lbs | 13 |
| 2020 | 1.0M lbs | 12 |
| 2021 | 929.5K lbs | 12 |
| 2022 | 559.4K lbs | 10 |
| 2023 | 0 lbs | 2 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 8 of 25 chemicals are carcinogens. Sorted by total release volume.
Westmoreland San Juan Mining LLC - San Juan Mine · LAND-pathway site
Nearest TRI Facilities to Westmoreland San Juan Mining LLC - San Juan Mine
Closest other reporters in New Mexico - including San Juan Generating Station, Four Corners Steam Electric Station, Raytheon Missile Systems Dine', ordered by distance.
Showing 8 of 96 other reporting facilities in New Mexico.
Similar Coal Mining Facilities
Other Coal Mining facilities with similar total release volumes (±80%), outside New Mexico - e.g. Trapper Mining Inc., Humphrey No 7, Wild Boar Mine.
Compare beyond New Mexico
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Westmoreland San Juan Mining LLC - San Juan Mine on cumulative reported pounds (3.6M lbs) and distinct chemical count (25). Release-pound peers include Cargill Inc, Huntsman Petrochemical LLC Port Neches Facility, Structural Metals Inc. Chemical-count peers include Aes Puerto Rico LP, Verso Luke LLC, Virginia City Hybrid Energy Center. 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).
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)), Barium And Barium Compounds, Manganese compounds, Vanadium compounds; nearby reporters include San Juan Generating Station. Westmoreland San Juan Mining LLC - San Juan Mine stamps HEAVY volume · LAND pathway · CARC-LEAN 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 Westmoreland San Juan Mining LLC - San Juan Mine TRI extract (HEAVY · LAND · CARC-LEAN · 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.
Westmoreland San Juan Mining LLC - San Juan Mine totals are self-reported EPCRA §313 estimates for Waterflow, NM, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 212112 · Coal Mining. 20.6% of San Juan TRI pounds in this extract. Nearest ABS peer: Cargill Inc (Δ 1.7K lbs). Pounds ≠ exposure.
Westmoreland San Juan Mining LLC - San Juan Mine stamps HEAVY volume · LAND pathway · CARC-LEAN · 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