EPA TRI Facility · Chemicals
US Doe Portsmouth Gaseous Diffusion Plant
Piketon, OH · Parent: US Department of Energy
- Total releases
- 152.2K lbs
- Chemicals reported
- 2
- Latest report
- 2023
- Primary pathway
- Water Discharges
WATER Form-R mix
US Doe Portsmouth Gaseous Diffusion Plant: how the 152.2K lbs splits
152.2K lbs across all reported pathways
- Water Discharges 152.0K lbs 99.9%
- Air Releases 109 lbs 0.1%
- Off-site Transfers 76 lbs 0.1%
US Doe Portsmouth Gaseous Diffusion Plant's 152.2K lbs Form-R total is WATER - water discharges is 99.9% of the bar. Next segment: air releases at 0.1%. Leading chemical by pounds: Nitrate compounds (water dissociable; reportable only when in aqueous solution).
MID volume WATER pathway CLEAN
US Doe Portsmouth Gaseous Diffusion Plant is an EPA Toxics Release Inventory reporter in Piketon, OH, in the chemicals sector. It reported 30.0K lbs of releases across 2 chemicals in 2023, and 152.2K lbs in total across its 2019-2023 reporting years. That ranks 3,726 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Ohio's 1,299 reporting TRI sites, pounds #1 is not chemical-count #1. US Doe Portsmouth Gaseous Diffusion Plant is pounds #218 and chemical-count #742 at 152.2K lbs. Ineos Nitriles USA LLC leads reported pounds (42.4M lbs) at 31 chemicals (chemical-count #10). Heritage Thermal Services leads chemical count at 217 chemicals (431.4K lbs, pounds #116). Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Osco Industries Inc New Boston Div; Osco Industries Inc Portsmouth Div; Osco Industries Inc Jackson Div; Bellisio Foods. Similar-scale Chemicals peers outside Ohio: Engineered Polymer Solutions Inc.; Shintech Louisiana LLC - Addis Plant A; Hexion Inc-Sheboygan Site; Moses Lake Industries Inc. Other US Department of Energy sites in this extract: Nnsa Y-12 National Security Complex; US Doe Hanford Site; US Doe Idaho National Laboratory Site; U.S. Doe Savannah River Ops. Largest disclosed chemicals by pounds: Nitrate compounds (water dissociable; reportable only when in aqueous solution); Hydrogen fluoride.
US Doe Portsmouth Gaseous Diffusion Plant stamps MID volume with a dominant WATER pathway (99.9% water discharges) across 2 chemicals. Cumulative Form-R extract: 152.2K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Engineered Polymer Solutions Inc. and Shintech Louisiana LLC - Addis Plant A.
US Doe Portsmouth Gaseous Diffusion Plant vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
152K lbs Top 14% higher than 86% 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
US Doe Portsmouth Gaseous Diffusion Plant inside Pike's TRI pounds
Among the 3,917 Chemicals facilities in this database, US Doe Portsmouth Gaseous Diffusion Plant reports the 718th-largest volume, placing it in the top 18.3% of its sector. This one site accounts for 100% of every pound reported in Pike. Its reported volume is concentrated rather than spread: Nitrate compounds (water dissociable; reportable only when in aqueous solution) alone is 99.9% of the total. Scale peers outside Ohio include Engineered Polymer Solutions Inc. and Shintech Louisiana LLC - Addis Plant A.
County-dominant here means ≥25% of Pike's reported pounds (152.2K lbs county total). Shares only print when the site reports ≥1,000 lbs.
US Doe Portsmouth Gaseous Diffusion Plant Form-R facts
Compare this facility
See how US Doe Portsmouth Gaseous Diffusion Plant stacks up against nearby facilities and the typical reporter.
5.2× more than the comparison
67% 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 US Doe Portsmouth Gaseous Diffusion Plant releases toxic chemicals into the environment. Total: 152.2K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 12% (34.0K lbs to 30.0K lbs).
US Doe Portsmouth Gaseous Diffusion Plant: annual Form-R pounds
MID site · WATER pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows US Doe Portsmouth Gaseous Diffusion Plant year-over-year reported totals (decreased by 12% 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: Nitrate compounds (water dissociable; reportable only when in aqueous solution).
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 34.0K lbs | 2 |
| 2020 | 30.0K lbs | 2 |
| 2021 | 28.0K lbs | 2 |
| 2022 | 30.0K lbs | 2 |
| 2023 | 30.0K lbs | 2 |
Chemical Releases
Aggregated across all reporting years (2019–2023). Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 152.0K lbs | - |
| Hydrogen fluoride | 186 lbs | - |
US Doe Portsmouth Gaseous Diffusion Plant · WATER-pathway site
Nearest TRI Facilities to US Doe Portsmouth Gaseous Diffusion Plant
Closest other reporters in Ohio - including Osco Industries Inc New Boston Div, Osco Industries Inc Portsmouth Div, Osco Industries Inc Jackson Div, ordered by distance.
Showing 8 of 1,298 other reporting facilities in Ohio.
Similar Chemicals Facilities
Other Chemicals facilities with similar total release volumes (±80%), outside Ohio - e.g. Engineered Polymer Solutions Inc., Shintech Louisiana LLC - Addis Plant A, Hexion Inc-Sheboygan Site.
Compare beyond Ohio
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest US Doe Portsmouth Gaseous Diffusion Plant on cumulative reported pounds (152.2K lbs) and distinct chemical count (2). Release-pound peers include Engineered Polymer Solutions Inc., Premier Fiberglass, Shintech Louisiana LLC - Addis Plant A. Chemical-count peers include Idi Caribe Inc, Suiza Dairy Corp, Edwards Lifesciences Technology Sarl. 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.
- Engineered Polymer Solutions Inc. Williamsport, MD · Chemicals 152.2K lbs reported
- Premier Fiberglass Elkhart, IN · Plastics and Rubber 152.1K lbs reported
- Shintech Louisiana LLC - Addis Plant A Addis, LA · Chemicals 152.3K lbs reported
- Lumileds LLC San Jose, CA · Computers and Electronic Products 152.4K lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
Other US Department of Energy Facilities
Same-parent TRI sites ranked by reported releases - including Nnsa Y-12 National Security Complex, US Doe Hanford Site, US Doe Idaho National Laboratory Site.
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 Nitrate compounds (water dissociable; reportable only when in aqueous solution), Hydrogen fluoride; nearby reporters include Osco Industries Inc New Boston Div. US Doe Portsmouth Gaseous Diffusion Plant stamps MID volume · WATER pathway · CLEAN 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 US Doe Portsmouth Gaseous Diffusion Plant TRI extract (MID · WATER · CLEAN · lead Nitrate compounds (water dissociable; reportable only when in aqueous solution)) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
US Doe Portsmouth Gaseous Diffusion Plant totals are self-reported EPCRA §313 estimates for Piketon, OH, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 325180 · Chemicals. 100% of Pike TRI pounds in this extract. Nearest ABS peer: Engineered Polymer Solutions Inc. (Δ 30 lbs). Pounds ≠ exposure.
US Doe Portsmouth Gaseous Diffusion Plant stamps MID volume · WATER pathway · CLEAN · lead Nitrate compounds (water dissociable; reportable only when in aqueous solution). 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