TRI facility · TRI 2024 reporting year

Terra Nitrogen L.P. Verdigris Plant

Total reported releases 2.6M lb rose sharply year over year (+46%). Total releases concentrations are up 11% since 2010.

6606 E 540 RD, Claremore, Oklahoma · 325311 · Chemicals · operated by Cf Industries Holdings INC

TOTAL RELEASES · 20102024
Bar chart of annual values from 2010 to 2024, in lb. Most recent year (2024): 2.6M.3.9M'10'12'14'16'18'20'22'242.6M
Anomaly engine

Notable Signals

YEAR-OVER-YEAR SURGE · RELEASE SHIFT

Methanol

Methanol releases at Terra Nitrogen L.P. Verdigris Plant rose from 26k lb to 147k lb (5.7×) between 2023 and 2024.

Chemicals reported · most recent year

What This Facility Releases

GENERALCAS 7664-41-7

Ammonia

2.3M lb · +43% YoY

Ammonia concentrations are roughly unchanged from 2010.

RESPIRATORYCAS 67-56-1

Methanol

147k lb · +468% YoY

Methanol concentrations have more than doubled since 2010.

GENERALCAS N511

Nitrate compounds (water dissociable; reportable only when in aqueous solution)

140k lb · +0% YoY

Nitrate compounds (water dissociable; reportable only when in aqueous solution) concentrations are roughly unchanged from 2010.

GENERALCAS 7697-37-2

Nitric acid

551 lb · -2% YoY

Nitric acid concentrations are up 10% since 2010.

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 6,849. Why we surface this →

POPULATION SHARE
26.1%

Low-income

POPULATION SHARE
29.4%

People of color

POPULATION SHARE
5.8%

Under age 5

POPULATION SHARE
16.2%

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.