EPA TRI Facility · Electric Utilities
Duke Energy Carolinas LLC - Marshall Steam Station
Terrell, NC · Parent: Duke Energy Corp
- Total releases
- 6.1M lbs
- Chemicals reported
- 28
- Carcinogens
- 8
- Primary pathway
- Land Disposal
LAND Form-R mix
Duke Energy Carolinas LLC - Marshall Steam Station: how the 6.1M lbs splits
6.1M lbs across all reported pathways
- Land Disposal 4.5M lbs 74.3%
- Air Releases 1.5M lbs 25.0%
- Off-site Transfers 26.8K lbs 0.4%
- Water Discharges 18.8K lbs 0.3%
Duke Energy Carolinas LLC - Marshall Steam Station's 6.1M lbs Form-R total is LAND - land disposal is 74.3% of the bar. Next segment: air releases at 25.0%. 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 LAND pathway CARC-LEAN
Duke Energy Carolinas LLC - Marshall Steam Station is an EPA Toxics Release Inventory reporter in Terrell, NC, in the electric utilities sector. It reported 1.2M lbs of releases across 17 chemicals in 2023, and 6.1M lbs in total across its 2019-2023 reporting years. That ranks 347 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In North Carolina's 787 reporting TRI sites, pounds #1 is not chemical-count #1. Duke Energy Carolinas LLC - Marshall Steam Station is pounds #11 and chemical-count #3 at 6.1M lbs. Befesa Zinc Metal LLC leads reported pounds (43.1M lbs) at 4 chemicals (chemical-count #158). Pcs Phosphate Co Inc leads chemical count at 29 chemicals (22.9M lbs, pounds #2). Reported volume rose against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Sws Concrete-Sherrills Ford Road Plant; Wireway/husky Corp.; Commscope Inc (catawba Facility); Argos Ready Mix Denver Concrete Plant. Similar-scale Electric Utilities peers outside North Carolina: Homer City Generation LP; Fort Martin Power Station; Walleye Power LLC - Bay Shore Plant; Keystone Power Plant. Other Duke Energy Corp sites in this extract: Gibson Generating Station; Duke Energy Indiana Inc. Cayuga Generating Station; Duke Energy Progress LLC - Roxboro Steam Electric Plant; Duke Energy Kentucky Inc. East Bend Generating Station. Largest disclosed chemicals by pounds: Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); Barium compounds (except for barium sulfate (CAS No. 7727-43-7)); Vanadium compounds; Barium And Barium Compounds.
Duke Energy Carolinas LLC - Marshall Steam Station stamps HEAVY volume with a dominant LAND pathway (74.3% land disposal) across 28 chemicals · 8 carcinogen-classified. Cumulative Form-R extract: 6.1M lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Homer City Generation LP and Fort Martin Power Station.
Duke Energy Carolinas LLC - Marshall Steam Station vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
6.1M 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
Duke Energy Carolinas LLC - Marshall Steam Station inside Catawba's TRI pounds
Among the 513 Electric Utilities facilities in this database, Duke Energy Carolinas LLC - Marshall Steam Station reports the 65th-largest volume, placing it in the top 12.7% of its sector. This one site accounts for 72.6% of every pound reported in Catawba. Scale peers outside North Carolina include Homer City Generation LP and Fort Martin Power Station.
County-dominant here means ≥25% of Catawba's reported pounds (8.4M lbs county total). Shares only print when the site reports ≥1,000 lbs.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Duke Energy Carolinas LLC - Marshall Steam Station's total reported releases rose from 833.0 thousand lb in 2022 to 1.2 million lb in 2023, based on EPA TRI filings.
- Duke Energy Carolinas LLC - Marshall Steam Station's off-site transfers rose from 42 lb in 2022 to 26.4 thousand lb in 2023, based on EPA TRI filings.
- Duke Energy Carolinas LLC - Marshall Steam Station's land releases rose from 541.2 thousand lb in 2022 to 932.4 thousand lb in 2023, based on EPA TRI filings.
- Duke Energy Carolinas LLC - Marshall Steam Station's water releases rose from 1.9 thousand lb in 2022 to 2.7 thousand lb in 2023, based on EPA TRI filings.
Duke Energy Carolinas LLC - Marshall Steam Station Form-R facts
Compare this facility
See how Duke Energy Carolinas LLC - Marshall Steam Station stacks up against nearby facilities and the typical reporter.
479650244.6× more than the comparison
14.0× 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 Duke Energy Carolinas LLC - Marshall Steam Station releases toxic chemicals into the environment. Total: 6.1M lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 9% (1.3M lbs to 1.2M lbs).
Duke Energy Carolinas LLC - Marshall Steam Station: annual Form-R pounds
HEAVY site · LAND pathway · TRI years 2019–2023
- 2019
- 2020
- 2021
- 2022
- 2023
What this shows Duke Energy Carolinas LLC - Marshall Steam Station year-over-year reported totals (decreased by 9% 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).
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 1.3M lbs | 20 |
| 2020 | 1.2M lbs | 19 |
| 2021 | 1.5M lbs | 18 |
| 2022 | 833.0K lbs | 17 |
| 2023 | 1.2M lbs | 17 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 8 of 28 chemicals are carcinogens. Sorted by total release volume.
Duke Energy Carolinas LLC - Marshall Steam Station · LAND-pathway site
Nearest TRI Facilities to Duke Energy Carolinas LLC - Marshall Steam Station
Closest other reporters in North Carolina - including Sws Concrete-Sherrills Ford Road Plant, Wireway/husky Corp., Commscope Inc (catawba Facility), ordered by distance.
Showing 8 of 786 other reporting facilities in North Carolina.
Similar Electric Utilities Facilities
Other Electric Utilities facilities with similar total release volumes (±80%), outside North Carolina - e.g. Homer City Generation LP, Fort Martin Power Station, Walleye Power LLC - Bay Shore Plant.
Compare beyond North Carolina
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Duke Energy Carolinas LLC - Marshall Steam Station on cumulative reported pounds (6.1M lbs) and distinct chemical count (28). Release-pound peers include Clearwater Paper Corp-Ppd & Cpd Idaho, Kuraray America Inc, Anheuser-Busch LLC. Chemical-count peers include Axalta Coating Systems USA Llc-Front Royal Plant, Pleasants Power Station, Chemours Washington Works. 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).
Other Duke Energy Corp Facilities
Same-parent TRI sites ranked by reported releases - including Gibson Generating Station, Duke Energy Indiana Inc. Cayuga Generating Station, Duke Energy Progress LLC - Roxboro Steam Electric 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 Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size), Barium compounds (except for barium sulfate (CAS No. 7727-43-7)), Vanadium compounds, Barium And Barium Compounds; nearby reporters include Sws Concrete-Sherrills Ford Road Plant. Duke Energy Carolinas LLC - Marshall Steam Station 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 Duke Energy Carolinas LLC - Marshall Steam Station TRI extract (HEAVY · LAND · 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.
Duke Energy Carolinas LLC - Marshall Steam Station totals are self-reported EPCRA §313 estimates for Terrell, NC, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 221112 · Electric Utilities. 72.6% of Catawba TRI pounds in this extract. Nearest ABS peer: Clearwater Paper Corp-Ppd & Cpd Idaho (Δ 8.9K lbs). Pounds ≠ exposure.
Duke Energy Carolinas LLC - Marshall Steam Station stamps HEAVY volume · LAND 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