EPA TRI Facility · Electric Utilities
San Juan Generating Station
Waterflow, NM · Parent: Public Service Co of New Mexico
- Total releases
- 5.0M lbs
- Chemicals reported
- 18
- Carcinogens
- 5
- Primary pathway
- Off-site Transfers
OFFSITE Form-R mix
San Juan Generating Station: how the 5.0M lbs splits
5.0M lbs across all reported pathways
- Off-site Transfers 3.5M lbs 70.4%
- Air Releases 1.4M lbs 28.3%
- Land Disposal 65.5K lbs 1.3%
San Juan Generating Station's 5.0M lbs Form-R total is OFFSITE - off-site transfers is 70.4% of the bar. Next segment: air releases at 28.3%. 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 OFFSITE pathway CARC-LEAN
San Juan Generating Station is an EPA Toxics Release Inventory reporter in Waterflow, NM, in the electric utilities sector. It reported 914.5K lbs of releases across 17 chemicals in 2022, and 5.0M lbs in total across its 2019-2022 reporting years. That ranks 431 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. San Juan Generating Station is pounds #8 and chemical-count #6 at 5.0M 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). Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Westmoreland San Juan Mining LLC - San Juan Mine; Four Corners Steam Electric Station; Raytheon Missile Systems Dine'; Halliburton Farmington Field Camp (new). Similar-scale Electric Utilities peers outside New Mexico: Public Service Co of Colorado Pawnee Station; Cross Generating Station; Cpi USA North Carolina LLC; Barry Steam Plant. Largest disclosed chemicals by pounds: Barium compounds (except for barium sulfate (CAS No. 7727-43-7)); Ammonia; Manganese compounds; Vanadium compounds.
San Juan Generating Station stamps HEAVY volume with a dominant OFFSITE pathway (70.4% off-site transfers) across 18 chemicals · 5 carcinogen-classified. Cumulative Form-R extract: 5.0M lbs (2019–2022). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Public Service Co of Colorado Pawnee Station and Cross Generating Station.
San Juan Generating Station vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
5.0M 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
San Juan Generating Station inside San Juan's TRI pounds
Among the 513 Electric Utilities facilities in this database, San Juan Generating Station reports the 80th-largest volume, placing it in the top 15.6% of its sector. This one site accounts for 28.2% of every pound reported in San Juan. Scale peers outside New Mexico include Public Service Co of Colorado Pawnee Station and Cross Generating Station.
County-dominant here means ≥25% of San Juan's reported pounds (17.6M lbs county total). Shares only print when the site reports ≥1,000 lbs.
San Juan Generating Station Form-R facts
Compare this facility
See how San Juan Generating Station stacks up against nearby facilities and the typical reporter.
37% more than the comparison
28% 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 San Juan Generating Station releases toxic chemicals into the environment. Total: 5.0M lbs.
Emissions Trend Summary
From 2019 to 2022, total releases decreased by 39% (1.5M lbs to 914.5K lbs).
San Juan Generating Station: annual Form-R pounds
HEAVY site · OFFSITE pathway · TRI years 2019–2022
- 2019
- 2020
- 2021
- 2022
What this shows San Juan Generating Station year-over-year reported totals (decreased by 39% from 2019 to 2022). 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 | 1.5M lbs | 18 |
| 2020 | 1.4M lbs | 17 |
| 2021 | 1.2M lbs | 17 |
| 2022 | 914.5K lbs | 17 |
Chemical Releases
Aggregated across all reporting years (2019–2022). 5 of 18 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 2.2M lbs | - |
| Ammonia | 1.3M lbs | - |
| Manganese compounds | 530.9K lbs | - |
| Vanadium compounds | 211.8K lbs | - |
| Copper compounds | 166.1K lbs | - |
| Zinc compounds | 135.7K lbs | - |
| Lead compounds | 116.3K lbs | - |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 84.2K lbs | - |
| Hydrogen fluoride | 73.1K lbs | - |
| Selenium compounds | 66.3K lbs | - |
| Nickel compounds | 52.5K lbs | Carcinogen |
| Cobalt compounds | 46.4K lbs | Carcinogen |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 39.9K lbs | - |
| Mercury compounds | 2.1K lbs | - |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 81 lbs | - |
| Naphthalene | 60 lbs | Carcinogen |
| Polycyclic aromatic compounds | 11 lbs | Carcinogen |
| Dioxin and dioxin-like compounds | 0 lbs | Carcinogen |
San Juan Generating Station · OFFSITE-pathway site
Nearest TRI Facilities to San Juan Generating Station
Closest other reporters in New Mexico - including Westmoreland San Juan Mining LLC - San Juan Mine, Four Corners Steam Electric Station, Raytheon Missile Systems Dine', ordered by distance.
Showing 8 of 96 other reporting facilities in New Mexico.
Similar Electric Utilities Facilities
Other Electric Utilities facilities with similar total release volumes (±80%), outside New Mexico - e.g. Public Service Co of Colorado Pawnee Station, Cross Generating Station, Cpi USA North Carolina LLC.
Compare beyond New Mexico
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest San Juan Generating Station on cumulative reported pounds (5.0M lbs) and distinct chemical count (18). Release-pound peers include National Beef Leathers LLC, Imco Recycling of Ohio LLC, Hood Container Corp. Chemical-count peers include Pride Solvents & Chemical Co of New Jersey, Mpm Silicones LLC, Max Environmental -- Yukon Facility. 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).
- Pride Solvents & Chemical Co of New Jersey Avenel, NJ · Chemical Wholesalers 18 chemicals
- Mpm Silicones LLC Waterford, NY · Chemicals 18 chemicals
- Max Environmental -- Yukon Facility Yukon, PA · Hazardous Waste 18 chemicals
- Desotec US LLC Darlington Facility Darlington, PA · Hazardous Waste 18 chemicals
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)), Ammonia, Manganese compounds, Vanadium compounds; nearby reporters include Westmoreland San Juan Mining LLC - San Juan Mine. San Juan Generating Station stamps HEAVY volume · OFFSITE 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 San Juan Generating Station TRI extract (HEAVY · OFFSITE · 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.
San Juan Generating Station totals are self-reported EPCRA §313 estimates for Waterflow, NM, latest year 2022. Form-R rows span 2019–2022 (4 years). NAICS 221112 · Electric Utilities. 28.2% of San Juan TRI pounds in this extract. Nearest ABS peer: National Beef Leathers LLC (Δ 292 lbs). Pounds ≠ exposure.
San Juan Generating Station stamps HEAVY volume · OFFSITE 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