Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
LSB CHEMICAL L.L.C.
4463 HUNT STREET, PRYOR, OK, 74361
Parent company: LSB INDUSTRIES INC
Carcinogen
— 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 | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | Ammonia | Ammonium nitrate (solution) | Nitric acid | Methanol | Total (lbs) |
| 2024 | 2,667,155 | 773,745 | — | — | — | 3,440,942 |
| 2023 | 1,787,848 | 800,786 | — | — | — | 2,588,640 |
| 2022 | 1,333,432 | 687,955 | — | — | — | 2,021,391 |
| 2021 | 575,958 | 658,341 | — | — | — | 1,234,314 |
| 2020 | 574,555 | 806,438 | — | — | 3,888 | 1,384,952 |
| 2019 | 479,060 | 626,629 | — | — | 2,162 | 1,108,021 |
| 2018 | 1,554,465 | 488,199 | — | — | 2,970 | 2,046,836 |
| 2017 | 730,354 | 432,853 | — | — | 3,950 | 1,168,389 |
| 2016 | 962,722 | 527,882 | — | — | 4,264 | 1,496,160 |
| 2015 | 1,078,749 | 334,969 | — | — | 3,659 | 1,418,636 |
| 2014 | 700,849 | 264,866 | — | 193 | 29,856 | 997,011 |
| 2013 | 534,620 | 949,906 | — | 10 | — | 1,485,786 |
| 2012 | 603,300 | 892,777 | — | 10 | — | 1,497,337 |
| 2011 | 357,680 | 1,394,250 | — | 10 | — | 1,753,190 |
| 2010 | 838,334 | 508,379 | — | 10 | — | 1,347,973 |
| 2009 | 24,962 | 29,697 | — | 10 | — | 55,669 |
| 2000 | 77,097 | 3,202 | — | — | — | 80,299 |
| 1998 | 3,593,975 | 384,692 | — | — | — | 3,978,667 |
| 1997 | 1,844,750 | 348,712 | — | — | — | 2,193,462 |
| 1996 | 1,143,000 | 313,400 | — | — | — | 1,456,400 |
| 1995 | 1,529,000 | 330,800 | — | — | — | 1,859,800 |
| 1994 | — | 392,100 | 1,443,980 | — | — | 1,836,080 |
| 1993 | — | 335,400 | 1,030,608 | — | — | 1,366,008 |
| 1992 | — | 1,186,060 | 939,940 | — | — | 2,126,000 |
| 1991 | — | 603,200 | 1,331,000 | — | — | 1,934,200 |
| 1990 | — | 626,300 | 1,623,005 | — | — | 2,249,560 |
| 1989 | — | 693,750 | 1,521,550 | — | — | 2,215,550 |
| 1988 | — | 672,816 | 520,750 | 3,000,750 | — | 4,194,566 |
| 1987 | — | — | 1,280,000 | — | — | 1,280,250 |
▎ 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.