EPA TRI Facility · Electric Utilities

Independence Steam Electric Station

Newark, AR · Parent: Entergy Corp

Total releases
3.5M lbs
Chemicals reported
21
Carcinogens
4
Primary pathway
Land Disposal

LAND Form-R mix

Independence Steam Electric Station: how the 3.5M lbs splits

3.5M lbs across all reported pathways

  • Land Disposal 3.1M lbs 87.4%
  • Air Releases 444.4K lbs 12.5%
  • Water Discharges 1.2K lbs <0.1%

Independence Steam Electric Station's 3.5M lbs Form-R total is LAND - land disposal is 87.4% of the bar. Next segment: air releases at 12.5%. 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 TRACE-CARC

Independence Steam Electric Station is an EPA Toxics Release Inventory reporter in Newark, AR, in the electric utilities sector. It reported 603.3K lbs of releases across 15 chemicals in 2023, and 3.5M lbs in total across its 2019-2023 reporting years. That ranks 558 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Arkansas's 350 reporting TRI sites, Clean Harbors el Dorado LLC leads both reported pounds (16.6M lbs) and chemical count (251 chemicals). The two rankings do not invert in this pool. Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Futurefuel Chemical Co; Scott Petroleum Corp; Arkansas Steel Associates LLC; Harsco Metals-Asa. Similar-scale Electric Utilities peers outside Arkansas: Miami Fort Power Co LLC; Whelan Energy Center (wec 1 Hu Wec 2 Ppga); De Karn Jc Weadock Generating Plant; Gilberton Power Co. Other Entergy Corp sites in this extract: White Bluff Generating Plant; Ninemile Point Plant. Largest disclosed chemicals by pounds: Barium compounds (except for barium sulfate (CAS No. 7727-43-7)); Barium And Barium Compounds; Hydrogen fluoride; Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size).

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Independence Steam Electric Station stamps HEAVY volume with a dominant LAND pathway (87.4% land disposal) across 21 chemicals · 4 carcinogen-classified. Cumulative Form-R extract: 3.5M lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Miami Fort Power Co LLC and Whelan Energy Center (wec 1 Hu Wec 2 Ppga).

#558 of 25,986 TRI facilities nationwide by total reported releases - among the top 2.1% of reporting sites by volume. Ranking reflects reported pounds, not toxicity or health risk.

Independence Steam Electric Station vs. every reporting TRI facility

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

3.5M lbs Top 2% higher than 98% 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

Independence Steam Electric Station inside Independence's TRI pounds

Among the 513 Electric Utilities facilities in this database, Independence Steam Electric Station reports the 102nd-largest volume, placing it in the top 19.9% of its sector. This one site accounts for 63.3% of every pound reported in Independence. Scale peers outside Arkansas include Miami Fort Power Co LLC and Whelan Energy Center (wec 1 Hu Wec 2 Ppga).

County-dominant here means ≥25% of Independence's reported pounds (5.6M 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
  • Independence Steam Electric Station's total reported releases fell from 726.7 thousand lb in 2022 to 603.3 thousand lb in 2023, based on EPA TRI filings.
  • Independence Steam Electric Station's water releases rose from 226 lb in 2022 to 312 lb in 2023, based on EPA TRI filings.
  • Independence Steam Electric Station's land releases fell from 642.4 thousand lb in 2022 to 515.7 thousand lb in 2023, based on EPA TRI filings.
  • Independence Steam Electric Station's chemicals reported rose from 14 in 2022 to 15 in 2023, based on EPA TRI filings.

Independence Steam Electric Station Form-R facts

Sector
Electric Utilities
HEAVY volume
3.5M lbs
LAND pathway
Land Disposal
TRACE-CARC chem count
21 · 4 carc.
Lead chemical
Barium compounds (except for barium sulfate (CAS No. 7727-43-7))

Compare this facility

See how Independence Steam Electric Station stacks up against nearby facilities and the typical reporter.

Total reported releases
Independence Steam Electric Station
3.5M lbs
Futurefuel Chemical Co
1.4M lbs

2.5× more than the comparison

Chemicals reported
Independence Steam Electric Station
21
Futurefuel Chemical Co
40

48% 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 Independence Steam Electric Station releases toxic chemicals into the environment. Total: 3.5M lbs.

Land Disposal 3.1M lbs (87.4%)
Air Releases 444.4K lbs (12.5%)
Water Discharges 1.2K lbs (<0.1%)
View 5-Year Emissions Trend →

Emissions Trend Summary

From 2019 to 2023, total releases decreased by 35% (926.9K lbs to 603.3K lbs).

Independence Steam Electric Station: annual Form-R pounds

HEAVY site · LAND pathway · TRI years 2019–2023

million lbs

What this shows Independence Steam Electric Station year-over-year reported totals (decreased by 35% 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)).

Source EPA Toxics Release Inventory (TRI)
Year Total Chemicals
2019 926.9K lbs 14
2020 531.0K lbs 12
2021 757.3K lbs 13
2022 726.7K lbs 14
2023 603.3K lbs 15

Chemical Releases

Aggregated across all reporting years (2019–2023). 4 of 21 chemicals are carcinogens. Sorted by total release volume.

Chemical Total Flags
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) 1.7M lbs -
Barium And Barium Compounds 1.0M lbs -
Hydrogen fluoride 226.0K lbs -
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 104.0K lbs -
Vanadium compounds 95.9K lbs -
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 91.0K lbs -
Zinc compounds 75.5K lbs -
Manganese compounds 57.6K lbs -
Copper compounds 46.8K lbs -
Manganese And Manganese Compounds 34.5K lbs -
Copper And Copper Compounds 24.5K lbs -
Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) 13.2K lbs -
Lead compounds 11.1K lbs -
Chromium compounds (except for chromite ore mined in the Transvaal Region) 8.6K lbs -
Lead And Lead Compounds 6.5K lbs -
Nickel And Nickel Compounds 6.1K lbs Carcinogen
Mercury compounds 378 lbs -
Mercury And Mercury Compounds 208 lbs -
Naphthalene 51 lbs Carcinogen
Ethylbenzene 23 lbs Carcinogen
Dioxin and dioxin-like compounds 0 lbs Carcinogen

Independence Steam Electric Station · LAND-pathway site

Newark, AR
35.6804, -91.4287
County TRI context
Independence · 63.3% of county pounds
Parent company
Entergy Corp

Compare beyond Arkansas

Nationwide peers by reported pounds & chemical count

Cross-state TRI reporters nearest Independence Steam Electric Station on cumulative reported pounds (3.5M lbs) and distinct chemical count (21). Release-pound peers include Metalplate Galvanizing L.P., Coffeyville Resources Nitrogen Fertilizers LLC, Inv Camden 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 Entergy Corp Facilities

Same-parent TRI sites ranked by reported releases - including White Bluff Generating Plant, Ninemile Point 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)), Barium And Barium Compounds, Hydrogen fluoride, Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); nearby reporters include Futurefuel Chemical Co. Independence Steam Electric Station stamps HEAVY volume · LAND 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 Independence Steam Electric Station TRI extract (HEAVY · LAND · TRACE-CARC · 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.

Independence Steam Electric Station totals are self-reported EPCRA §313 estimates for Newark, AR, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 221112 · Electric Utilities. 63.3% of Independence TRI pounds in this extract. Nearest ABS peer: Metalplate Galvanizing L.P. (Δ 4.0K lbs). Pounds ≠ exposure.

Independence Steam Electric Station stamps HEAVY volume · LAND pathway · TRACE-CARC · 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