Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
TERRA INTERNATIONAL (OKLAHOMA) LLC.
1000 TERRA DR, WOODWARD, OK, 73801
Parent company: CF INDUSTRIES HOLDINGS INC
Carcinogen
PBT
— EPA classifications across all reporting years
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases in pounds (lbs) across all available years.
Full release table
Rows are years. Columns show the five highest-total chemicals across all years plus each year's total release volume.
| All values in pounds (lbs) | ||||||
|---|---|---|---|---|---|---|
| Year | Ammonia | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | Methanol | Ammonium nitrate (solution) | Diisocyanates | Total (lbs) |
| 2024 | 887,523 | 262,981 | 177,243 | — | — | 1,328,800 |
| 2023 | 821,129 | 302,135 | 126,097 | — | 23,299 | 1,274,036 |
| 2022 | 1,069,876 | 212,812 | 75,085 | — | — | 1,358,528 |
| 2021 | 855,230 | 133,341 | 100,145 | — | — | 1,089,959 |
| 2020 | 1,230,012 | 113,303 | 242,845 | — | — | 1,586,425 |
| 2019 | 839,106 | 136,798 | 123,825 | — | — | 1,105,666 |
| 2018 | 969,856 | 224,155 | 91,885 | — | — | 1,286,161 |
| 2017 | 757,957 | 183,217 | 67,365 | — | — | 1,008,804 |
| 2016 | 501,575 | 178,417 | 72,950 | — | — | 753,207 |
| 2015 | 375,378 | 203,812 | 37,899 | — | — | 620,859 |
| 2014 | 504,180 | 74,099 | 51,173 | — | — | 629,768 |
| 2013 | 559,628 | 63,210 | 67,979 | — | — | 691,132 |
| 2012 | 713,900 | 55,350 | 124,811 | — | — | 894,376 |
| 2011 | 940,680 | 70,754 | 48,000 | — | — | 1,062,199 |
| 2010 | 1,156,950 | 146,010 | 41,300 | — | — | 1,351,215 |
| 2009 | 255,460 | 174,010 | 46,600 | — | — | 476,170 |
| 2008 | 639,100 | 111,510 | 80,500 | — | — | 831,210 |
| 2007 | 694,000 | 100,510 | 71,500 | — | — | 866,310 |
| 2006 | 516,800 | 79,010 | 91,915 | — | — | 688,230 |
| 2005 | 747,500 | 91,010 | 26,150 | — | — | 866,365 |
| 2004 | 680,700 | 88,010 | 19,050 | — | — | 788,515 |
| 2003 | 786,900 | 119,010 | 14,500 | — | — | 921,665 |
| 2002 | 604,000 | 50,010 | 9,900 | — | — | 664,415 |
| 2001 | 503,000 | 49,010 | 9,900 | — | — | 562,415 |
| 2000 | 644,800 | 52,010 | 23,500 | — | — | 720,815 |
| 1999 | 391,300 | 50,010 | 5,600 | — | — | 447,415 |
| 1998 | 504,300 | 52,010 | 5,770 | — | — | 562,585 |
| 1997 | 799,700 | 35,010 | 29,250 | — | — | 864,970 |
| 1996 | 653,900 | 35,010 | 27,250 | — | — | 716,920 |
| 1995 | 483,200 | 40,010 | 1,650 | — | — | 525,370 |
| 1994 | 416,400 | — | 1,650 | 3,710 | — | 422,520 |
| 1993 | 642,100 | — | 29,250 | 10,010 | — | 681,620 |
| 1992 | 2,427,100 | — | 9,950 | 50,005 | — | 2,487,815 |
| 1991 | 2,749,400 | — | 25,250 | 201,750 | — | 2,976,905 |
| 1990 | 3,240,000 | — | 480,250 | 203,750 | — | 3,925,670 |
| 1989 | 3,374,000 | — | 604,100 | 74,250 | — | 4,054,721 |
| 1988 | — | — | — | — | — | 1,350 |
| 1987 | — | — | — | — | — | 2 |
▎ Facilities report to EPA's TRI once they manufacture, process, or use a listed chemical above set thresholds. Once that threshold is crossed, they must report actual releases regardless of size — so a small number reflects genuine low-level discharge, not a data error.