Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
MOSAIC FERTILIZER LLC UNCLE SAM PLANT
7250 HWY 44, UNCLE SAM, LA, 70792
Parent company: THE MOSAIC CO
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 | Phosphoric acid | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Lead compounds | Hydrogen fluoride | Hydrogen sulfide | Total (lbs) |
| 2024 | — | 241,200 | — | 12,380 | 21,300 | 307,501 |
| 2023 | — | 181,200 | 26,123 | 11,420 | 17,300 | 236,486 |
| 2022 | — | 231,500 | 67,199 | 12,420 | 19,100 | 330,838 |
| 2021 | — | 191,300 | 48,312 | 13,150 | 15,500 | 295,498 |
| 2020 | — | 292,720 | 56,860 | 19,260 | 23,100 | 435,798 |
| 2019 | — | 213,831 | — | 15,200 | 16,800 | 350,169 |
| 2018 | — | 289,007 | 39,996 | 8,532 | 21,900 | 397,691 |
| 2017 | — | 308,301 | 41,241 | 8,674 | 23,100 | 420,698 |
| 2016 | — | 309,052 | 42,957 | 8,881 | 23,000 | 425,207 |
| 2015 | — | 300,597 | 42,531 | 9,768 | — | 353,614 |
| 2014 | — | 292,861 | 135,390 | 10,326 | — | 440,815 |
| 2013 | — | 310,815 | 144,654 | 35,930 | — | 492,162 |
| 2012 | — | 258,301 | 117,416 | 44,076 | 29,306 | 449,169 |
| 2011 | — | 250,530 | 118,221 | 51,268 | — | 420,220 |
| 2010 | — | 318,211 | 149,285 | 44,317 | — | 516,139 |
| 2009 | — | 283,500 | 263,927 | 44,846 | — | 594,561 |
| 2008 | — | 269,920 | 9 | 8,550 | — | 278,480 |
| 2007 | — | 329,080 | 9 | 8,512 | — | 337,602 |
| 2006 | — | 373,364 | 2 | 8,288 | — | 381,722 |
| 2005 | — | 82,431 | 18 | 13,500 | — | 96,454 |
| 2004 | — | 182,548 | 22 | — | — | 183,396 |
| 2003 | — | 196,791 | 20 | — | — | 197,302 |
| 2002 | — | 231,166 | 25 | — | — | 231,844 |
| 2001 | — | 100,435 | 35 | — | — | 100,804 |
| 2000 | — | 207,530 | — | — | — | 207,607 |
| 1999 | — | 221,663 | — | — | — | 221,936 |
| 1998 | 3,109,936 | 236,284 | — | — | — | 3,351,153 |
| 1997 | 2,969,474 | 206,044 | — | — | — | 3,180,377 |
| 1996 | 3,335,643 | 230,002 | — | — | — | 3,570,548 |
| 1995 | 1,940,320 | 216,109 | — | — | — | 2,161,040 |
| 1994 | 3,175,928 | 226,390 | — | — | — | 3,407,122 |
| 1993 | 50,091,552 | 11,710,879 | — | — | — | 61,807,180 |
| 1992 | 52,273,885 | 6,125,731 | — | 38,319 | — | 58,442,831 |
| 1991 | 33,742,655 | 15,395,494 | — | 44,483 | — | 49,187,528 |
| 1990 | 30,152,300 | 5,969,512 | — | 57,550 | — | 36,213,512 |
| 1989 | 10,480,300 | 3,777,650 | — | 50,124 | — | 14,314,224 |
| 1988 | 54,315,505 | — | — | — | — | 54,320,405 |
| 1987 | 52,153,210 | 12,413,850 | — | — | — | 64,571,677 |
▎ 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.