EPA TRI Facility · Electric Utilities
Rockport Plant
Rockport, IN · Parent: American Electric Power
- Total releases
- 6.6M lbs
- Chemicals reported
- 18
- Carcinogens
- 5
- Primary pathway
- Land Disposal
LAND Form-R mix
Rockport Plant: how the 6.6M lbs splits
6.6M lbs across all reported pathways
- Land Disposal 5.6M lbs 84.8%
- Air Releases 928.8K lbs 14.1%
- Water Discharges 62.2K lbs 0.9%
- Off-site Transfers 10.1K lbs 0.2%
Rockport Plant's 6.6M lbs Form-R total is LAND - land disposal is 84.8% of the bar. Next segment: air releases at 14.1%. 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 LAND pathway CARC-LEAN
Rockport Plant is an EPA Toxics Release Inventory reporter in Rockport, IN, in the electric utilities sector. It reported 787.8K lbs of releases across 16 chemicals in 2023, and 6.6M lbs in total across its 2019-2023 reporting years. That ranks 315 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Indiana's 871 reporting TRI sites, pounds #1 is not chemical-count #1. Rockport Plant is pounds #19 and chemical-count #34 at 6.6M lbs. Uss Gary Works leads reported pounds (77.4M lbs) at 36 chemicals (chemical-count #9). Tradebe Treatment & Recycling LLC leads chemical count at 98 chemicals (11.9M lbs, pounds #12). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Cleveland-Cliffs Steel Corp (rockport Works ); Pvs Technologies Inc; Corn Island Shipyard Inc.; Org Chem Group LLC. Similar-scale Electric Utilities peers outside Indiana: Iatan Generating Station; Aes Puerto Rico LP; Green Power Solutions of Georgia; Pacificorp Jim Bridger Plant & Bridger Coal Co. Other American Electric Power sites in this extract: American Electric Power Amos Plant; American Electric Power Welsh Plant; American Electric Power H.w. Pirkey Power Plant; Mountaineer Plant. Largest disclosed chemicals by pounds: Barium compounds (except for barium sulfate (CAS No. 7727-43-7)); Hydrogen fluoride; Manganese compounds; Vanadium compounds.
Rockport Plant stamps HEAVY volume with a dominant LAND pathway (84.8% land disposal) across 18 chemicals · 5 carcinogen-classified. Cumulative Form-R extract: 6.6M lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Iatan Generating Station and Aes Puerto Rico LP.
Rockport Plant vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
6.6M 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
Rockport Plant in the Electric Utilities sector extract
Among the 513 Electric Utilities facilities in this database, Rockport Plant reports the 56th-largest volume, placing it in the top 10.9% of its sector. Scale peers outside Indiana include Iatan Generating Station and Aes Puerto Rico LP.
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
- Rockport Plant's total reported releases fell from 1.6 million lb in 2022 to 787.8 thousand lb in 2023, based on EPA TRI filings.
- Rockport Plant's land releases fell from 1.4 million lb in 2022 to 674.4 thousand lb in 2023, based on EPA TRI filings.
- Rockport Plant's air releases fell from 220.8 thousand lb in 2022 to 106.8 thousand lb in 2023, based on EPA TRI filings.
- Rockport Plant's water releases rose from 4.2 thousand lb in 2022 to 5.1 thousand lb in 2023, based on EPA TRI filings.
Rockport Plant Form-R facts
Compare this facility
See how Rockport Plant stacks up against nearby facilities and the typical reporter.
90% less than the comparison
80% 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 Rockport Plant releases toxic chemicals into the environment. Total: 6.6M lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 58% (1.9M lbs to 787.8K lbs).
Rockport Plant: annual Form-R pounds
HEAVY site · LAND pathway · TRI years 2019–2023
- 2019
- 2020
- 2021
- 2022
- 2023
What this shows Rockport Plant year-over-year reported totals (decreased by 58% 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: Barium compounds (except for barium sulfate (CAS No. 7727-43-7)).
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 1.9M lbs | 17 |
| 2020 | 1.0M lbs | 16 |
| 2021 | 1.2M lbs | 17 |
| 2022 | 1.6M lbs | 17 |
| 2023 | 787.8K lbs | 16 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 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)) | 3.8M lbs | - |
| Hydrogen fluoride | 563.2K lbs | - |
| Manganese compounds | 425.4K lbs | - |
| Vanadium compounds | 352.2K lbs | - |
| Copper compounds | 290.3K lbs | - |
| Zinc compounds | 247.9K lbs | - |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 179.7K lbs | - |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 167.0K lbs | - |
| Nickel compounds | 162.6K lbs | Carcinogen |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 157.0K lbs | - |
| Lead compounds | 85.6K lbs | - |
| Arsenic compounds | 67.7K lbs | Carcinogen |
| Cobalt compounds | 17.5K lbs | Carcinogen |
| Ammonia | 16.8K lbs | - |
| Mercury compounds | 1.5K lbs | - |
| Polycyclic aromatic compounds | 12 lbs | Carcinogen |
| Benzo[g,h,i]perylene | 1 lbs | - |
| Dioxin and dioxin-like compounds | 0 lbs | Carcinogen |
Rockport Plant · LAND-pathway site
Nearest TRI Facilities to Rockport Plant
Closest other reporters in Indiana - including Cleveland-Cliffs Steel Corp (rockport Works ), Pvs Technologies Inc, Corn Island Shipyard Inc., ordered by distance.
Showing 8 of 870 other reporting facilities in Indiana.
Similar Electric Utilities Facilities
Other Electric Utilities facilities with similar total release volumes (±80%), outside Indiana - e.g. Iatan Generating Station, Aes Puerto Rico LP, Green Power Solutions of Georgia.
Compare beyond Indiana
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Rockport Plant on cumulative reported pounds (6.6M lbs) and distinct chemical count (18). Release-pound peers include International Paper / Red River Mill, Iatan Generating Station, Westrock Southeast LLC. 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 American Electric Power Facilities
Same-parent TRI sites ranked by reported releases - including American Electric Power Amos Plant, American Electric Power Welsh Plant, American Electric Power H.w. Pirkey Power 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 Barium compounds (except for barium sulfate (CAS No. 7727-43-7)), Hydrogen fluoride, Manganese compounds, Vanadium compounds; nearby reporters include Cleveland-Cliffs Steel Corp (rockport Works ). Rockport Plant stamps HEAVY volume · LAND 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 Rockport Plant TRI extract (HEAVY · LAND · 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.
Rockport Plant totals are self-reported EPCRA §313 estimates for Rockport, IN, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 221112 · Electric Utilities. 8.9% of Spencer TRI pounds in this extract. Nearest ABS peer: International Paper / Red River Mill (Δ 14.4K lbs). Pounds ≠ exposure.
Rockport Plant stamps HEAVY volume · LAND 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