EPA TRI Facility · Other
Coresco LLC Maidsville Complex
Maidsville, WV · Parent: Mepco Holdings LLC
- Total releases
- 706.1K lbs
- Chemicals reported
- 13
- Carcinogens
- 2
- Primary pathway
- Land Disposal
LAND Form-R mix
Coresco LLC Maidsville Complex: how the 706.1K lbs splits
706.1K lbs across all reported pathways
- Land Disposal 706.0K lbs 100.0%
- Water Discharges 37 lbs <0.1%
Coresco LLC Maidsville Complex's 706.1K lbs Form-R total is LAND - land disposal is 100.0% of the bar. Next segment: water discharges at <0.1%. Leading chemical by pounds: Manganese And Manganese Compounds.
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.
MID volume LAND pathway CARC-LEAN
Coresco LLC Maidsville Complex is an EPA Toxics Release Inventory reporter in Maidsville, WV, in the other sector. It reported 64.4K lbs of releases across 5 chemicals in 2023, and 706.1K lbs in total across its 2019-2023 reporting years. That ranks 1,601 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In West Virginia's 182 reporting TRI sites, pounds #1 is not chemical-count #1. Coresco LLC Maidsville Complex is pounds #25 and chemical-count #22 at 706.1K lbs. Harrison Power Station leads reported pounds (32.5M lbs) at 29 chemicals (chemical-count #2). Mount Storm Power Station leads chemical count at 31 chemicals (5.6M lbs, pounds #7). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Longview Power; Humphrey No 7; Fort Martin Power Station; Morgantown Energy Associates. Similar-scale Other peers outside West Virginia: U.S. Dhs Federal Law Enforcement Training Center Artesia; US Army Fort Drum; U.S. Army - Fort Sill, Ok (range Facility); U.S. Marine Corps Twentynine Palms Air Ground Combat Center. Largest disclosed chemicals by pounds: Manganese And Manganese Compounds; Barium And Barium Compounds; Manganese compounds; Vanadium compounds.
Coresco LLC Maidsville Complex stamps MID volume with a dominant LAND pathway (100.0% land disposal) across 13 chemicals · 2 carcinogen-classified. Cumulative Form-R extract: 706.1K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include U.S. Dhs Federal Law Enforcement Training Center Artesia and US Army Fort Drum.
Coresco LLC Maidsville Complex vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
706K lbs Top 6% higher than 94% 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
Coresco LLC Maidsville Complex in the Other sector extract
Among the 632 Other facilities in this database, Coresco LLC Maidsville Complex reports the 44th-largest volume, placing it in the top 7% of its sector. Scale peers outside West Virginia include U.S. Dhs Federal Law Enforcement Training Center Artesia and US Army Fort Drum.
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
- Coresco LLC Maidsville Complex's total reported releases fell from 118.9 thousand lb in 2022 to 64.4 thousand lb in 2023, based on EPA TRI filings.
- Coresco LLC Maidsville Complex's land releases fell from 118.9 thousand lb in 2022 to 64.4 thousand lb in 2023, based on EPA TRI filings.
- Coresco LLC Maidsville Complex's chemicals reported fell from 6 in 2022 to 5 in 2023, based on EPA TRI filings.
Coresco LLC Maidsville Complex Form-R facts
Compare this facility
See how Coresco LLC Maidsville Complex stacks up against nearby facilities and the typical reporter.
78% less than the comparison
19% 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 Coresco LLC Maidsville Complex releases toxic chemicals into the environment. Total: 706.1K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 76% (269.2K lbs to 64.4K lbs).
Coresco LLC Maidsville Complex: annual Form-R pounds
MID site · LAND pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Coresco LLC Maidsville Complex year-over-year reported totals (decreased by 76% 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: Manganese And Manganese Compounds.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 269.2K lbs | 8 |
| 2020 | 148.9K lbs | 7 |
| 2021 | 104.7K lbs | 6 |
| 2022 | 118.9K lbs | 6 |
| 2023 | 64.4K lbs | 5 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 2 of 13 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Manganese And Manganese Compounds | 144.6K lbs | - |
| Barium And Barium Compounds | 135.9K lbs | - |
| Manganese compounds | 123.6K lbs | - |
| Vanadium compounds | 93.5K lbs | - |
| Zinc compounds | 77.1K lbs | - |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 73.4K lbs | - |
| Arsenic compounds | 17.4K lbs | Carcinogen |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 16.2K lbs | - |
| Arsenic And Arsenic Compounds | 10.2K lbs | Carcinogen |
| Lead And Lead Compounds | 6.9K lbs | - |
| Lead compounds | 5.9K lbs | - |
| Mercury And Mercury Compounds | 727 lbs | - |
| Mercury compounds | 621 lbs | - |
Coresco LLC Maidsville Complex · LAND-pathway site
Nearest TRI Facilities to Coresco LLC Maidsville Complex
Closest other reporters in West Virginia - including Longview Power, Humphrey No 7, Fort Martin Power Station, ordered by distance.
Showing 8 of 181 other reporting facilities in West Virginia.
Similar Other Facilities
Other Other facilities with similar total release volumes (±80%), outside West Virginia - e.g. U.S. Dhs Federal Law Enforcement Training Center Artesia, US Army Fort Drum, U.S. Army - Fort Sill, Ok (range Facility).
Compare beyond West Virginia
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Coresco LLC Maidsville Complex on cumulative reported pounds (706.1K lbs) and distinct chemical count (13). Release-pound peers include Crown Beverage Packaging, Borger Carbon Black Plant, Knauf Insulation Inc.. Chemical-count peers include Puerto Rico Energy LLC - Guaynabo 2 Terminal, Global Companies LLC, Shell Providence Terminal. 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).
- Puerto Rico Energy LLC - Guaynabo 2 Terminal Guaynabo, PR · Petroleum Bulk Terminals 13 chemicals
- Global Companies LLC Revere, MA · Petroleum Bulk Terminals 13 chemicals
- Shell Providence Terminal Providence, RI · Petroleum Bulk Terminals 13 chemicals
- Sig Sauer Inc Newington, NH · Fabricated Metals 13 chemicals
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 Manganese And Manganese Compounds, Barium And Barium Compounds, Manganese compounds, Vanadium compounds; nearby reporters include Longview Power. Coresco LLC Maidsville Complex stamps MID 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 Coresco LLC Maidsville Complex TRI extract (MID · LAND · CARC-LEAN · lead Manganese And Manganese Compounds) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Coresco LLC Maidsville Complex totals are self-reported EPCRA §313 estimates for Maidsville, WV, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 213113 · Other. 5.3% of Monongalia TRI pounds in this extract. Nearest ABS peer: Crown Beverage Packaging (Δ 160 lbs). Pounds ≠ exposure.
Coresco LLC Maidsville Complex stamps MID volume · LAND pathway · CARC-LEAN · lead Manganese And Manganese Compounds. 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