TRI facility · TRI 2024 reporting year

Plum Point Energy Station

Total reported releases 1.2M lb fell modestly year over year (-10%). Total releases concentrations are up 67% since 2010.

2732A S COUNTY RD 623, Osceola, Arkansas · 221112 · Electric Utilities · operated by Plum Point Energy Associates LLC

TOTAL RELEASES · 20102024
Bar chart of annual values from 2010 to 2024, in lb. Most recent year (2024): 1.2M.2.0M'10'12'14'16'18'20'22'241.2M
Anomaly engine

Notable Signals

LONG-ARC REGRESSION · LONG-ARC SHIFT

Total reported releases

Total reported releases at Plum Point Energy Station have risen 66% since 2010 (through 2024).

LONG-ARC REGRESSION · LONG-ARC SHIFT

Barium compounds (except for barium sulfate (CAS No. 7727-43-7))

Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) at Plum Point Energy Station have risen 60% since 2010 (through 2024).

LONG-ARC IMPROVEMENT · LONG-ARC SHIFT

Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)

Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) at Plum Point Energy Station have more than three-quarters since 2014 (through 2024).

Chemicals reported · most recent year

What This Facility Releases

GENERALCAS N040

Barium compounds (except for barium sulfate (CAS No. 7727-43-7))

936k lb · -10% YoY

Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) concentrations are up 60% since 2010.

GENERALCAS N100

Copper compounds

51k lb · -10% YoY

Copper compounds concentrations are up 53% since 2010.

RESPIRATORYCAS N450

Manganese compounds

44k lb · -9% YoY

Manganese compounds concentrations are up 80% since 2010.

GENERALCAS N770

Vanadium compounds

39k lb · -10% YoY

Vanadium compounds concentrations are up 46% since 2010.

RESPIRATORYCAS N090

Chromium compounds (except for chromite ore mined in the Transvaal Region)

21k lb · -9% YoY

Chromium compounds (except for chromite ore mined in the Transvaal Region) concentrations are up 11% since 2012.

GENERALCAS 7664-41-7

Ammonia

20k lb · +4% YoY

Ammonia concentrations are up 68% since 2010.

GENERALCAS N982

Zinc compounds

19k lb · -10% YoY

Zinc compounds concentrations have fallen 44% since 2011.

GENERALCAS 7664-93-9

Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)

10k lb · -18% YoY

Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) concentrations have more than halved since 2014.

Equity context · ACS 2018-2022 block-group demographics

Who Lives Next To This Facility

Within 3 miles of this facility (4 Census block groups, population-weighted demographics): a population of 5,199. Why we surface this →

POPULATION SHARE
44.2%

Low-income

POPULATION SHARE
62.8%

People of color

POPULATION SHARE
6.6%

Under age 5

POPULATION SHARE
12.2%

Over age 64

Source: Census ACS 2018-2022 block-group demographics, population-weighted across the 3-mile buffer around this facility (from USEPA-clone/EJAM-open blockgroupstats). Indicator-level percentile and EJ-disparity scores are surfaced on the county page and the state page — they describe wider regional exposure burdens, not effects attributable to a single facility.

Source. EPA Toxics Release Inventory · retrieved 2026-05-07. Reporting year 2024. TRI is a federal public-domain dataset under 17 USC §105.

What this is not. TRI quantifies releases reported by the facility under EPCRA §313 — not ambient air or water concentrations measured at receptors. We do not attribute individual health outcomes to specific facilities; that exceeds what the data can support.