EPA TRI Facility · Electric Utilities
Choctaw Generation LP L.l.l.p.
Ackerman, MS · Parent: Choctaw Generation LP Lllp
- Total releases
- 10.3M lbs
- Chemicals reported
- 22
- Carcinogens
- 5
- Primary pathway
- Off-site Transfers
OFFSITE Form-R mix
Choctaw Generation LP L.l.l.p.: how the 10.3M lbs splits
10.3M lbs across all reported pathways
- Off-site Transfers 8.8M lbs 85.4%
- Land Disposal 1.1M lbs 11.0%
- Air Releases 376.2K lbs 3.7%
Choctaw Generation LP L.l.l.p.'s 10.3M lbs Form-R total is OFFSITE - off-site transfers is 85.4% of the bar. Next segment: land disposal at 11.0%. Leading chemical by pounds: Manganese And Manganese Compounds.
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
Choctaw Generation LP L.l.l.p. is an EPA Toxics Release Inventory reporter in Ackerman, MS, in the electric utilities sector. It reported 1.4M lbs of releases across 14 chemicals in 2023, and 10.3M lbs in total across its 2019-2023 reporting years. That ranks 205 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. Choctaw Generation LP L.l.l.p. is pounds #4 and chemical-count #8 at 10.3M 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 fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: U.S. Tva Ackerman Combined Cycle Plant; Southeastern Timber Products LLC; Plymouth Tube Co; Kloeckner Metals Corp. Similar-scale Electric Utilities peers outside Mississippi: Big Rivers Electric Corp. Wilson Station; Northside Generating Station; Martin Lake Steam Electric Station & Lignite Mine; Omaha Public Power District Nebraska City Station. Largest disclosed chemicals by pounds: Manganese And Manganese Compounds; Manganese compounds; Barium And Barium Compounds; Barium compounds (except for barium sulfate (CAS No. 7727-43-7)).
Choctaw Generation LP L.l.l.p. stamps HEAVY volume with a dominant OFFSITE pathway (85.4% off-site transfers) across 22 chemicals · 5 carcinogen-classified. Cumulative Form-R extract: 10.3M lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Big Rivers Electric Corp. Wilson Station and Northside Generating Station.
Choctaw Generation LP L.l.l.p. vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
10M 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
Choctaw Generation LP L.l.l.p. inside Choctaw's TRI pounds
Among the 513 Electric Utilities facilities in this database, Choctaw Generation LP L.l.l.p. reports the 25th-largest volume, placing it in the top 4.9% of its sector. This one site accounts for 96.7% of every pound reported in Choctaw. Scale peers outside Mississippi include Big Rivers Electric Corp. Wilson Station and Northside Generating Station.
County-dominant here means ≥25% of Choctaw's reported pounds (10.6M lbs county total). Shares only print when the site reports ≥1,000 lbs.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Choctaw Generation LP L.l.l.p.'s total reported releases fell from 2.2 million lb in 2022 to 1.4 million lb in 2023, based on EPA TRI filings.
- Choctaw Generation LP L.l.l.p.'s land releases fell from 379.5 thousand lb in 2022 to 77.0 thousand lb in 2023, based on EPA TRI filings.
- Choctaw Generation LP L.l.l.p.'s off-site transfers fell from 1.8 million lb in 2022 to 1.2 million lb in 2023, based on EPA TRI filings.
- Choctaw Generation LP L.l.l.p.'s air releases rose from 76.7 thousand lb in 2022 to 77.6 thousand lb in 2023, based on EPA TRI filings.
Choctaw Generation LP L.l.l.p. Form-R facts
Compare this facility
See how Choctaw Generation LP L.l.l.p. stacks up against nearby facilities and the typical reporter.
29.7× more than the comparison
22.0× 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 Choctaw Generation LP L.l.l.p. releases toxic chemicals into the environment. Total: 10.3M lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 38% (2.2M lbs to 1.4M lbs).
Choctaw Generation LP L.l.l.p.: annual Form-R pounds
HEAVY site · OFFSITE pathway · TRI years 2019–2023
- 2019
- 2020
- 2021
- 2022
- 2023
What this shows Choctaw Generation LP L.l.l.p. year-over-year reported totals (decreased by 38% 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: Manganese And Manganese Compounds.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 2.2M lbs | 13 |
| 2020 | 2.2M lbs | 13 |
| 2021 | 2.3M lbs | 14 |
| 2022 | 2.2M lbs | 14 |
| 2023 | 1.4M lbs | 14 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 5 of 22 chemicals are carcinogens. Sorted by total release volume.
Choctaw Generation LP L.l.l.p. · OFFSITE-pathway site
Nearest TRI Facilities to Choctaw Generation LP L.l.l.p.
Closest other reporters in Mississippi - including U.S. Tva Ackerman Combined Cycle Plant, Southeastern Timber Products LLC, Plymouth Tube Co, 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. Big Rivers Electric Corp. Wilson Station, Northside Generating Station, Martin Lake Steam Electric Station & Lignite Mine.
Compare beyond Mississippi
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Choctaw Generation LP L.l.l.p. on cumulative reported pounds (10.3M lbs) and distinct chemical count (22). Release-pound peers include Simplot Phosphates LLC, Big Rivers Electric Corp. Wilson Station, US Ecology Idaho Inc.. Chemical-count peers include Seward Power Plant, Pixelle Specialty Solutions LLC, Envirite of Pennsylvania Inc. 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.
- Simplot Phosphates LLC Rock Springs, WY · Chemicals 10.3M lbs reported
- Big Rivers Electric Corp. Wilson Station Centertown, KY · Electric Utilities 10.2M lbs reported
- US Ecology Idaho Inc. Grand View, ID · Hazardous Waste 10.2M lbs reported
- Northside Generating Station Jacksonville, FL · Electric Utilities 10.4M lbs reported
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 Manganese And Manganese Compounds, Manganese compounds, Barium And Barium Compounds, Barium compounds (except for barium sulfate (CAS No. 7727-43-7)); nearby reporters include U.S. Tva Ackerman Combined Cycle Plant. Choctaw Generation LP L.l.l.p. 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 Choctaw Generation LP L.l.l.p. TRI extract (HEAVY · OFFSITE · CARC-LEAN · lead Manganese And Manganese Compounds) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Choctaw Generation LP L.l.l.p. totals are self-reported EPCRA §313 estimates for Ackerman, MS, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 221122 · Electric Utilities. 96.7% of Choctaw TRI pounds in this extract. Nearest ABS peer: Simplot Phosphates LLC (Δ 39.2K lbs). Pounds ≠ exposure.
Choctaw Generation LP L.l.l.p. stamps HEAVY volume · OFFSITE pathway · CARC-LEAN · lead Manganese And Manganese 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