EPA TRI Facility · Chemicals
Terra Nitrogen L.P. Verdigris Plant
Claremore, OK · Parent: Cf Industries Holdings Inc
- Total releases
- 11.9M lbs
- Chemicals reported
- 9
- Carcinogens
- 1
- Primary pathway
- Air Releases
AIR Form-R mix
Terra Nitrogen L.P. Verdigris Plant: how the 11.9M lbs splits
11.9M lbs across all reported pathways
- Air Releases 10.9M lbs 92.2%
- Water Discharges 922.2K lbs 7.8%
- Off-site Transfers 5.6K lbs <0.1%
- Land Disposal 2.3K lbs <0.1%
Terra Nitrogen L.P. Verdigris Plant's 11.9M lbs Form-R total is AIR - air releases is 92.2% of the bar. Next segment: water discharges at 7.8%. Leading chemical by pounds: Ammonia.
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 AIR pathway TRACE-CARC
Terra Nitrogen L.P. Verdigris Plant is an EPA Toxics Release Inventory reporter in Claremore, OK, in the chemicals sector. It reported 1.8M lbs of releases across 7 chemicals in 2023, and 11.9M lbs in total across its 2019-2023 reporting years. That ranks 173 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Oklahoma's 350 reporting TRI sites, pounds #1 is not chemical-count #1. Terra Nitrogen L.P. Verdigris Plant is pounds #4 and chemical-count #40 at 11.9M lbs. International Paper Co leads reported pounds (28.8M lbs) at 21 chemicals (chemical-count #10). Clean Harbors Lone Mountain LLC Lone Mountain Facility leads chemical count at 51 chemicals (15.9M lbs, pounds #3). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Linde - Claremore Ok; Valmont Coatings-Oklahoma Galvanizing; Safety-Kleen Sys Inc; Brenntag Southwest Inc Cato Osa. Similar-scale Chemicals peers outside Oklahoma: Koch Fertilizer Dodge City LLC; Nutrien US LLC; Emd Acquisition LLC; Isp Technologies Inc. Other Cf Industries Holdings Inc sites in this extract: Cf Industries Nitrogen LLC; Cf Industries Nitrogen Llc-Port Neal Nitrogen Complex; Cf Industries Nitrogen LLC - Yazoo City Mississippi Plant; Terra International (oklahoma) Llc.. Largest disclosed chemicals by pounds: Ammonia; Nitrate compounds (water dissociable; reportable only when in aqueous solution); Methanol; Copper And Copper Compounds.
Terra Nitrogen L.P. Verdigris Plant stamps HEAVY volume with a dominant AIR pathway (92.2% air releases) across 9 chemicals · 1 carcinogen-classified. Cumulative Form-R extract: 11.9M lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Koch Fertilizer Dodge City LLC and Nutrien US LLC.
Terra Nitrogen L.P. Verdigris Plant vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
12M 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
Terra Nitrogen L.P. Verdigris Plant inside Rogers's TRI pounds
Among the 3,917 Chemicals facilities in this database, Terra Nitrogen L.P. Verdigris Plant reports the 35th-largest volume, placing it in the top 0.9% of its sector. This one site accounts for 80.5% of every pound reported in Rogers. Its reported volume is concentrated rather than spread: Ammonia alone is 90.0% of the total. Scale peers outside Oklahoma include Koch Fertilizer Dodge City LLC and Nutrien US LLC.
County-dominant here means ≥25% of Rogers's reported pounds (14.8M lbs county total). Shares only print when the site reports ≥1,000 lbs.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Terra Nitrogen L.P. Verdigris Plant's total reported releases fell from 1.9 million lb in 2022 to 1.8 million lb in 2023, based on EPA TRI filings.
- Terra Nitrogen L.P. Verdigris Plant's off-site transfers rose from 0 lb in 2022 to 3.5 thousand lb in 2023, based on EPA TRI filings.
- Terra Nitrogen L.P. Verdigris Plant's chemicals reported rose from 4 in 2022 to 7 in 2023, based on EPA TRI filings.
- Terra Nitrogen L.P. Verdigris Plant's water releases fell from 173.7 thousand lb in 2022 to 148.2 thousand lb in 2023, based on EPA TRI filings.
Terra Nitrogen L.P. Verdigris Plant Form-R facts
Compare this facility
See how Terra Nitrogen L.P. Verdigris Plant stacks up against nearby facilities and the typical reporter.
482.9× more than the comparison
9.0× 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 Terra Nitrogen L.P. Verdigris Plant releases toxic chemicals into the environment. Total: 11.9M lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 34% (2.7M lbs to 1.8M lbs).
Terra Nitrogen L.P. Verdigris Plant: annual Form-R pounds
HEAVY site · AIR pathway · TRI years 2019–2023
- 2019
- 2020
- 2021
- 2022
- 2023
What this shows Terra Nitrogen L.P. Verdigris Plant year-over-year reported totals (decreased by 34% 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: Ammonia.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 2.7M lbs | 7 |
| 2020 | 3.1M lbs | 6 |
| 2021 | 2.4M lbs | 6 |
| 2022 | 1.9M lbs | 4 |
| 2023 | 1.8M lbs | 7 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 1 of 9 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Ammonia | 10.7M lbs | - |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 871.2K lbs | - |
| Methanol | 304.3K lbs | - |
| Copper And Copper Compounds | 4.1K lbs | - |
| Nitric acid | 3.7K lbs | - |
| Zinc compounds | 3.2K lbs | - |
| Nickel And Nickel Compounds | 3.0K lbs | Carcinogen |
| Chlorine | 250 lbs | - |
| Copper compounds | 70 lbs | - |
Terra Nitrogen L.P. Verdigris Plant · AIR-pathway site
Nearest TRI Facilities to Terra Nitrogen L.P. Verdigris Plant
Closest other reporters in Oklahoma - including Linde - Claremore Ok, Valmont Coatings-Oklahoma Galvanizing, Safety-Kleen Sys Inc, ordered by distance.
Showing 8 of 349 other reporting facilities in Oklahoma.
Similar Chemicals Facilities
Other Chemicals facilities with similar total release volumes (±80%), outside Oklahoma - e.g. Koch Fertilizer Dodge City LLC, Nutrien US LLC, Emd Acquisition LLC.
Compare beyond Oklahoma
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Terra Nitrogen L.P. Verdigris Plant on cumulative reported pounds (11.9M lbs) and distinct chemical count (9). Release-pound peers include Boswell Energy Center, Tradebe Treatment & Recycling LLC, Koch Fertilizer Dodge City LLC. Chemical-count peers include Viatris Pharmaceuticals LLC, Prepa - San Juan Steam Plant, Solutia Inc. 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.
- Boswell Energy Center Cohasset, MN · Electric Utilities 11.9M lbs reported
- Tradebe Treatment & Recycling LLC East Chicago, IN · Hazardous Waste 11.9M lbs reported
- Koch Fertilizer Dodge City LLC Dodge City, KS · Chemicals 11.8M lbs reported
- Viskase Corp Loudon, TN · Plastics and Rubber 11.8M lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
- Viatris Pharmaceuticals LLC Barceloneta, PR · Chemicals 9 chemicals
- Prepa - San Juan Steam Plant Puerto Nuevo, PR · Electric Utilities 9 chemicals
- Solutia Inc Springfield, MA · Plastics and Rubber 9 chemicals
- O'Connell Oil Co Merrill Road Facility Pittsfield, MA · Petroleum Bulk Terminals 9 chemicals
Other Cf Industries Holdings Inc Facilities
Same-parent TRI sites ranked by reported releases - including Cf Industries Nitrogen LLC, Cf Industries Nitrogen Llc-Port Neal Nitrogen Complex, Cf Industries Nitrogen LLC - Yazoo City Mississippi 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 Ammonia, Nitrate compounds (water dissociable; reportable only when in aqueous solution), Methanol, Copper And Copper Compounds; nearby reporters include Linde - Claremore Ok. Terra Nitrogen L.P. Verdigris Plant stamps HEAVY volume · AIR 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 Terra Nitrogen L.P. Verdigris Plant TRI extract (HEAVY · AIR · TRACE-CARC · lead Ammonia) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Terra Nitrogen L.P. Verdigris Plant totals are self-reported EPCRA §313 estimates for Claremore, OK, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 325311 · Chemicals. 80.5% of Rogers TRI pounds in this extract. Nearest ABS peer: Boswell Energy Center (Δ 35.3K lbs). Pounds ≠ exposure.
Terra Nitrogen L.P. Verdigris Plant stamps HEAVY volume · AIR pathway · TRACE-CARC · lead Ammonia. 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