EPA TRI Facility · Electric Utilities
U.S. Tva Caledonia Combined Cycle Plant
Steens, MS
- Total releases
- 650.0K lbs
- Chemicals reported
- 1
- Latest report
- 2023
- Primary pathway
- Air Releases
AIR Form-R mix
U.S. Tva Caledonia Combined Cycle Plant: how the 650.0K lbs splits
650.0K lbs across all reported pathways
- Air Releases 650.0K lbs 100.0%
U.S. Tva Caledonia Combined Cycle Plant's 650.0K lbs Form-R total is AIR - air releases is 100.0% of the bar. Off-site transfers stay separate from air, water, and land releases. Leading chemical by pounds: Ammonia.
MID volume AIR pathway CLEAN
U.S. Tva Caledonia Combined Cycle Plant is an EPA Toxics Release Inventory reporter in Steens, MS, in the electric utilities sector. It reported 140.0K lbs of releases across 1 chemical in 2023, and 650.0K lbs in total across its 2019-2023 reporting years. That ranks 1,666 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Mississippi's 328 reporting TRI sites, pounds #1 is not chemical-count #1. U.S. Tva Caledonia Combined Cycle Plant is pounds #37 and chemical-count #205 at 650.0K lbs. Tronox LLC leads reported pounds (64.0M lbs) at 17 chemicals (chemical-count #12). Chevron Products Co Pascagoula Refinery leads chemical count at 46 chemicals (7.4M lbs, pounds #9). Reported volume rose against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Columbus Brick Co; Valmet Inc Service Center; Tronox LLC; Apac-Mississippi Inc Columbus Asphalt Plant. Similar-scale Electric Utilities peers outside Mississippi: Montour Steam Electric Station; Prepa - Palo Seco Steam Plant; American Electric Power Northeastern Plant; Mount Carmel Cogen Facility. Largest disclosed chemicals by pounds: Ammonia.
U.S. Tva Caledonia Combined Cycle Plant stamps MID volume with a dominant AIR pathway (100.0% air releases) across 1 chemical. Cumulative Form-R extract: 650.0K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Montour Steam Electric Station and Prepa - Palo Seco Steam Plant.
U.S. Tva Caledonia Combined Cycle Plant vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
650K lbs Top 6% higher than 94% 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
U.S. Tva Caledonia Combined Cycle Plant: Ammonia-led volume
Among the 513 Electric Utilities facilities in this database, U.S. Tva Caledonia Combined Cycle Plant reports the 217th-largest volume (650.0K lbs). Its reported volume is concentrated rather than spread: Ammonia alone is 100% of the total. Scale peers outside Mississippi include Montour Steam Electric Station and Prepa - Palo Seco Steam Plant.
Concentrated means ≥60% of U.S. Tva Caledonia Combined Cycle Plant's pounds in one chemical - here Ammonia at 100%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- U.S. Tva Caledonia Combined Cycle Plant's total reported releases rose from 91.0 thousand lb in 2022 to 140.0 thousand lb in 2023, based on EPA TRI filings.
- U.S. Tva Caledonia Combined Cycle Plant's air releases rose from 91.0 thousand lb in 2022 to 140.0 thousand lb in 2023, based on EPA TRI filings.
U.S. Tva Caledonia Combined Cycle Plant Form-R facts
Compare this facility
See how U.S. Tva Caledonia Combined Cycle Plant stacks up against nearby facilities and the typical reporter.
8.0× more than the comparison
67% 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 U.S. Tva Caledonia Combined Cycle Plant releases toxic chemicals into the environment. Total: 650.0K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 22% (180.0K lbs to 140.0K lbs).
U.S. Tva Caledonia Combined Cycle Plant: annual Form-R pounds
MID site · AIR pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows U.S. Tva Caledonia Combined Cycle Plant year-over-year reported totals (decreased by 22% 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: Ammonia.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 180.0K lbs | 1 |
| 2020 | 170.0K lbs | 1 |
| 2021 | 69.0K lbs | 1 |
| 2022 | 91.0K lbs | 1 |
| 2023 | 140.0K lbs | 1 |
Chemical Releases
Aggregated across all reporting years (2019–2023). Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Ammonia | 650.0K lbs | - |
U.S. Tva Caledonia Combined Cycle Plant · AIR-pathway site
Nearest TRI Facilities to U.S. Tva Caledonia Combined Cycle Plant
Closest other reporters in Mississippi - including Columbus Brick Co, Valmet Inc Service Center, Tronox LLC, ordered by distance.
Showing 8 of 327 other reporting facilities in Mississippi.
Similar Electric Utilities Facilities
Other Electric Utilities facilities with similar total release volumes (±80%), outside Mississippi - e.g. Montour Steam Electric Station, Prepa - Palo Seco Steam Plant, American Electric Power Northeastern Plant.
Compare beyond Mississippi
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest U.S. Tva Caledonia Combined Cycle Plant on cumulative reported pounds (650.0K lbs) and distinct chemical count (1). Release-pound peers include Mincey Marble Manufacturing Inc., Howmet Fastening Systems Waco, Novelis Corp. Chemical-count peers include Ecoelectrica LP, Planta Penuelas, Tallaboa 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).
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 Ammonia; nearby reporters include Columbus Brick Co. U.S. Tva Caledonia Combined Cycle Plant stamps MID volume · AIR 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 U.S. Tva Caledonia Combined Cycle Plant TRI extract (MID · AIR · CLEAN · lead Ammonia) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
U.S. Tva Caledonia Combined Cycle Plant totals are self-reported EPCRA §313 estimates for Steens, MS, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 221112 · Electric Utilities. 5.5% of Lowndes TRI pounds in this extract. Nearest ABS peer: Mincey Marble Manufacturing Inc. (Δ 82 lbs). Pounds ≠ exposure.
U.S. Tva Caledonia Combined Cycle Plant stamps MID volume · AIR pathway · CLEAN · lead Ammonia. 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