EPA TRI Facility · Electric Utilities

Seminole Generating Station

Palatka, FL · Parent: Seminole Electric Cooperative

Total releases
7.1M lbs
Chemicals reported
21
Carcinogens
7
Primary pathway
Air Releases

AIR Form-R mix

Seminole Generating Station: how the 7.1M lbs splits

7.1M lbs across all reported pathways

  • Air Releases 5.7M lbs 79.9%
  • Land Disposal 1.4M lbs 19.2%
  • Water Discharges 49.6K lbs 0.7%
  • Off-site Transfers 16.0K lbs 0.2%

Seminole Generating Station's 7.1M lbs Form-R total is AIR - air releases is 79.9% of the bar. Next segment: land disposal at 19.2%. Leading chemical by pounds: Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size).

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 AIR pathway CARC-LEAN

Seminole Generating Station is an EPA Toxics Release Inventory reporter in Palatka, FL, in the electric utilities sector. It reported 1.1M lbs of releases across 16 chemicals in 2023, and 7.1M lbs in total across its 2019-2023 reporting years. That ranks 296 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Florida's 659 reporting TRI sites, pounds #1 is not chemical-count #1. Seminole Generating Station is pounds #5 and chemical-count #9 at 7.1M lbs. Ascend Performance Materials Operations LLC leads reported pounds (116.3M lbs) at 27 chemicals (chemical-count #2). Duke Energy Florida Llc-Crystal River Power Plant leads chemical count at 31 chemicals (2.4M lbs, pounds #15). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Certainteed Gypsum Palatka LLC; Tpg Pressure - Palatka; Veritas Steel; Georgia-Pacific Consumer Operations LLC. Similar-scale Electric Utilities peers outside Florida: American Electric Power Welsh Plant; Clifty Creek Station; U.S. Tva Gallatin Fossil Plant; Limestone Electric Generating Station. Other Seminole Electric Cooperative sites in this extract: Seci Midulla Generating Station. Largest disclosed chemicals by pounds: Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); Vanadium compounds; Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); Ammonia.

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Seminole Generating Station stamps HEAVY volume with a dominant AIR pathway (79.9% air releases) across 21 chemicals · 7 carcinogen-classified. Cumulative Form-R extract: 7.1M lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include American Electric Power Welsh Plant and Clifty Creek Station.

#296 of 25,986 TRI facilities nationwide by total reported releases - among the top 1.1% of reporting sites by volume. Ranking reflects reported pounds, not toxicity or health risk.

Seminole Generating Station vs. every reporting TRI facility

Cumulative reported release pounds, with this facility marked in the national distribution

7.1M lbs Top 1% higher than 99% of 25,986 reporting TRI facilities

This facility 0 lbs 20M+ lbs every reporting TRI facility, bucketed by value

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

Seminole Generating Station inside Putnam's TRI pounds

Among the 513 Electric Utilities facilities in this database, Seminole Generating Station reports the 50th-largest volume, placing it in the top 9.7% of its sector. This one site accounts for 69.0% of every pound reported in Putnam. Its reported volume is concentrated rather than spread: Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) alone is 70.8% of the total. Scale peers outside Florida include American Electric Power Welsh Plant and Clifty Creek Station.

County-dominant here means ≥25% of Putnam's reported pounds (10.3M lbs county total). Shares only print when the site reports ≥1,000 lbs.

Annual disclosure change

What changed: EPA TRI 2023 reporting year

2022 → 2023
  • Seminole Generating Station's total reported releases fell from 1.4 million lb in 2022 to 1.1 million lb in 2023, based on EPA TRI filings.
  • Seminole Generating Station's off-site transfers rose from 1.1 thousand lb in 2022 to 12.6 thousand lb in 2023, based on EPA TRI filings.
  • Seminole Generating Station's land releases fell from 273.9 thousand lb in 2022 to 185.0 thousand lb in 2023, based on EPA TRI filings.
  • Seminole Generating Station's air releases fell from 1.1 million lb in 2022 to 862.2 thousand lb in 2023, based on EPA TRI filings.

Seminole Generating Station Form-R facts

Sector
Electric Utilities
HEAVY volume
7.1M lbs
AIR pathway
Air Releases
CARC-LEAN chem count
21 · 7 carc.
Lead chemical
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)

Compare this facility

See how Seminole Generating Station stacks up against nearby facilities and the typical reporter.

Total reported releases
Seminole Generating Station
7.1M lbs
Certainteed Gypsum Palatka LLC
1.1K lbs

6529.5× more than the comparison

Chemicals reported
Seminole Generating Station
21
Certainteed Gypsum Palatka LLC
4

5.3× 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 Seminole Generating Station releases toxic chemicals into the environment. Total: 7.1M lbs.

Air Releases 5.7M lbs (79.9%)
Land Disposal 1.4M lbs (19.2%)
Water Discharges 49.6K lbs (0.7%)
Off-site Transfers 16.0K lbs (0.2%)
View 5-Year Emissions Trend →

Emissions Trend Summary

From 2019 to 2023, total releases decreased by 38% (1.7M lbs to 1.1M lbs).

Seminole Generating Station: annual Form-R pounds

HEAVY site · AIR pathway · TRI years 2019–2023

million lbs

What this shows Seminole Generating Station 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: Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size).

Source EPA Toxics Release Inventory (TRI)
Year Total Chemicals
2019 1.7M lbs 20
2020 1.4M lbs 17
2021 1.5M lbs 18
2022 1.4M lbs 17
2023 1.1M lbs 16

Chemical Releases

Aggregated across all reporting years (2019–2023). 7 of 21 chemicals are carcinogens. Sorted by total release volume.

Chemical Total Flags
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 5.0M lbs -
Vanadium compounds 406.9K lbs -
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 331.4K lbs -
Ammonia 277.6K lbs -
Zinc compounds 276.9K lbs -
Barium And Barium Compounds 175.9K lbs -
Manganese And Manganese Compounds 169.8K lbs -
Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) 136.1K lbs -
Nickel And Nickel Compounds 98.6K lbs Carcinogen
Lead And Lead Compounds 64.0K lbs -
Copper And Copper Compounds 58.2K lbs -
Hydrogen fluoride 38.1K lbs -
Cobalt And Cobalt Compounds 13.1K lbs Carcinogen
Arsenic compounds 11.5K lbs Carcinogen
Beryllium And Beryllium Compounds 11.5K lbs Carcinogen
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 5.4K lbs -
Arsenic And Arsenic Compounds 5.2K lbs Carcinogen
Mercury And Mercury Compounds 650 lbs -
Naphthalene 154 lbs Carcinogen
Dioxin and dioxin-like compounds 0 lbs Carcinogen
Nitric acid 0 lbs -

Seminole Generating Station · AIR-pathway site

Palatka, FL
29.7460, -81.6422
County TRI context
Putnam · 69.0% of county pounds
Parent company
Seminole Electric Cooperative

Compare beyond Florida

Nationwide peers by reported pounds & chemical count

Cross-state TRI reporters nearest Seminole Generating Station on cumulative reported pounds (7.1M lbs) and distinct chemical count (21). Release-pound peers include American Electric Power Welsh Plant, Alloy Resource Corp, Tyson Poultry Inc-Broken Bow Processing Plant. Chemical-count peers include Clean Earth of North Jersey Inc, Cleveland-Cliffs Monessen Coke LLC, Uss Mon Valley Works - Edgar Thomson Plant. Neighborhoods are forced disjoint so each axis surfaces a different set of sites.

Other Seminole Electric Cooperative Facilities

Same-parent TRI sites ranked by reported releases - including Seci Midulla Generating Station.

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 Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size), Vanadium compounds, Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size), Ammonia; nearby reporters include Certainteed Gypsum Palatka LLC. Seminole Generating Station stamps HEAVY volume · AIR 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 Seminole Generating Station TRI extract (HEAVY · AIR · CARC-LEAN · lead Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.

Seminole Generating Station totals are self-reported EPCRA §313 estimates for Palatka, FL, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 221112 · Electric Utilities. 69.0% of Putnam TRI pounds in this extract. Nearest ABS peer: American Electric Power Welsh Plant (Δ 26.1K lbs). Pounds ≠ exposure.

Seminole Generating Station stamps HEAVY volume · AIR pathway · CARC-LEAN · lead Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size). 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