EPA TRI Facility · Electric Utilities
Mississippi Power Co - Plant Daniel
Moss Point, MS · Parent: Southern Co
- Total releases
- 1.3M lbs
- Chemicals reported
- 18
- Carcinogens
- 2
- Primary pathway
- Land Disposal
MIXED Form-R mix
Mississippi Power Co - Plant Daniel: how the 1.3M lbs splits
1.3M lbs across all reported pathways
- Land Disposal 687.7K lbs 51.2%
- Air Releases 654.0K lbs 48.7%
- Off-site Transfers 1.3K lbs 0.1%
- Water Discharges 696 lbs 0.1%
Mississippi Power Co - Plant Daniel's 1.3M lbs Form-R total is MIXED - land disposal is 51.2% of the bar. Next segment: air releases at 48.7%. Leading chemical by pounds: Ammonia.
HEAVY volume MIXED pathway TRACE-CARC
Mississippi Power Co - Plant Daniel is an EPA Toxics Release Inventory reporter in Moss Point, MS, in the electric utilities sector. It reported 211.8K lbs of releases across 8 chemicals in 2023, and 1.3M lbs in total across its 2019-2023 reporting years. That ranks 1,092 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. Mississippi Power Co - Plant Daniel is pounds #20 and chemical-count #11 at 1.3M 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: Airgas Specialty Products - Moss Point Ms; Azz Galvanizing Services-Moss Point; Omega Protein Inc Moss Point; Mmc Materials Gulf Coast LLC - Pascagoula. Similar-scale Electric Utilities peers outside Mississippi: Oge Energy Corp Sooner Generating Station; Xcel Energy A. S. King Generating Plant; Chesterfield Power Station; Valley Energy Center. Other Southern Co sites in this extract: Miller Steam Plant; Barry Steam Plant; Bowen Steam Electric Generating Plant; McDonough/atkinson Steam Electric Generating Plant. Largest disclosed chemicals by pounds: Ammonia; Barium And Barium Compounds; Barium compounds (except for barium sulfate (CAS No. 7727-43-7)); Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size).
Mississippi Power Co - Plant Daniel is a HEAVY · MIXED-pathway Form-R site in Moss Point, MS: 1.3M lbs across 18 chemicals (2 carcinogen-classified, TRACE-CARC). No single media clears 70% of the bar (lead segment land disposal at 51.2%). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Oge Energy Corp Sooner Generating Station and Xcel Energy A. S. King Generating Plant.
Mississippi Power Co - Plant Daniel vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
1.3M lbs Top 4% higher than 96% 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
Mississippi Power Co - Plant Daniel in the Electric Utilities sector extract
Among the 513 Electric Utilities facilities in this database, Mississippi Power Co - Plant Daniel reports the 171st-largest volume (1.3M lbs). Scale peers outside Mississippi include Oge Energy Corp Sooner Generating Station and Xcel Energy A. S. King Generating Plant.
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
- Mississippi Power Co - Plant Daniel's total reported releases fell from 252.5 thousand lb in 2022 to 211.8 thousand lb in 2023, based on EPA TRI filings.
- Mississippi Power Co - Plant Daniel's off-site transfers rose from 0 lb in 2022 to 718 lb in 2023, based on EPA TRI filings.
- Mississippi Power Co - Plant Daniel's water releases fell from 98 lb in 2022 to 38 lb in 2023, based on EPA TRI filings.
- Mississippi Power Co - Plant Daniel's land releases fell from 118.1 thousand lb in 2022 to 67.0 thousand lb in 2023, based on EPA TRI filings.
Mississippi Power Co - Plant Daniel Form-R facts
Compare this facility
See how Mississippi Power Co - Plant Daniel stacks up against nearby facilities and the typical reporter.
113.3× more than the comparison
18.0× 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 Mississippi Power Co - Plant Daniel releases toxic chemicals into the environment. Total: 1.3M lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 20% (263.9K lbs to 211.8K lbs).
Mississippi Power Co - Plant Daniel: annual Form-R pounds
HEAVY site · MIXED pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Mississippi Power Co - Plant Daniel year-over-year reported totals (decreased by 20% 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 | 263.9K lbs | 11 |
| 2020 | 263.4K lbs | 13 |
| 2021 | 352.0K lbs | 12 |
| 2022 | 252.5K lbs | 12 |
| 2023 | 211.8K lbs | 8 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 2 of 18 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Ammonia | 587.7K lbs | - |
| Barium And Barium Compounds | 369.3K lbs | - |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 237.9K lbs | - |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 28.4K lbs | - |
| Hydrogen fluoride | 25.5K lbs | - |
| Vanadium compounds | 25.2K lbs | - |
| Manganese And Manganese Compounds | 15.9K lbs | - |
| Manganese compounds | 15.7K lbs | - |
| Copper And Copper Compounds | 13.8K lbs | - |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 7.1K lbs | - |
| Copper compounds | 5.9K lbs | - |
| Zinc compounds | 5.1K lbs | - |
| Lead compounds | 3.1K lbs | - |
| Lead And Lead Compounds | 2.7K lbs | - |
| Mercury And Mercury Compounds | 173 lbs | - |
| Mercury compounds | 138 lbs | - |
| Dioxin and dioxin-like compounds | 0 lbs | Carcinogen |
| Naphthalene | 0 lbs | Carcinogen |
Mississippi Power Co - Plant Daniel in Jackson
Nearest TRI Facilities to Mississippi Power Co - Plant Daniel
Closest other reporters in Mississippi - including Airgas Specialty Products - Moss Point Ms, Azz Galvanizing Services-Moss Point, Omega Protein Inc Moss Point, 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. Oge Energy Corp Sooner Generating Station, Xcel Energy A. S. King Generating Plant, Chesterfield Power Station.
Compare beyond Mississippi
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Mississippi Power Co - Plant Daniel on cumulative reported pounds (1.3M lbs) and distinct chemical count (18). Release-pound peers include Cargill Meat Solutions Corp, Swift Beef Co, Evonik Corp Tippecanoe Laboratories. 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
Other Southern Co Facilities
Same-parent TRI sites ranked by reported releases - including Miller Steam Plant, Barry Steam Plant, Bowen Steam Electric Generating Plant.
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, Barium And Barium Compounds, Barium compounds (except for barium sulfate (CAS No. 7727-43-7)), Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); nearby reporters include Airgas Specialty Products - Moss Point Ms. Mississippi Power Co - Plant Daniel stamps HEAVY volume · MIXED pathway · TRACE-CARC 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 Mississippi Power Co - Plant Daniel TRI extract (HEAVY · MIXED · TRACE-CARC · lead Ammonia) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Mississippi Power Co - Plant Daniel totals are self-reported EPCRA §313 estimates for Moss Point, MS, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 221112 · Electric Utilities. 11.8% of Jackson TRI pounds in this extract. Nearest ABS peer: Cargill Meat Solutions Corp (Δ 1.6K lbs). Pounds ≠ exposure.
Mississippi Power Co - Plant Daniel stamps HEAVY · MIXED pathway (land disposal leads at 51.2%). Pipeline-rendered EPA Form-R only - no editor-typed pounds. 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