Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
TERRA MISSISSIPPI NITROGEN INC
39139 HWY 18 W, DONALDSONVILLE, LA, 70346
Parent company: TERRA 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 | Ammonia | Methanol | Sodium sulfate (solution) | Ammonium sulfate (solution) | Formaldehyde | Total (lbs) |
| 2009 | 50,569 | 94,090 | — | — | — | 144,659 |
| 2008 | 33,926 | — | — | — | — | 33,926 |
| 2007 | 8,848 | — | — | — | — | 8,848 |
| 2006 | 17,507 | — | — | — | — | 17,507 |
| 2005 | 30,024 | — | — | — | — | 30,024 |
| 2004 | 599,207 | 63,440 | — | — | 23 | 662,672 |
| 2003 | 1,059,755 | 89,885 | — | — | 250 | 1,150,390 |
| 2002 | 2,487,510 | 104,425 | — | — | 255 | 2,592,690 |
| 2001 | 3,034,230 | 59,111 | — | — | 505 | 3,094,101 |
| 2000 | 3,078,126 | 104,677 | — | — | 505 | 3,183,563 |
| 1999 | 3,293,219 | 165,525 | — | — | 505 | 3,459,504 |
| 1998 | 3,327,926 | 158,245 | — | — | 505 | 3,486,931 |
| 1997 | 3,259,720 | 159,265 | — | — | 505 | 3,419,745 |
| 1996 | 3,404,010 | 74,065 | — | — | 505 | 3,478,835 |
| 1995 | 3,248,578 | 84,005 | — | — | 505 | 3,333,343 |
| 1994 | 3,378,169 | 84,905 | — | — | 505 | 3,463,834 |
| 1993 | 3,471,016 | 108,887 | — | — | 505 | 3,580,663 |
| 1992 | 4,032,242 | 94,328 | — | — | 505 | 4,127,325 |
| 1991 | 5,555,973 | 102,045 | — | — | 505 | 5,658,778 |
| 1990 | 11,686,899 | 90,239 | — | — | 505 | 11,777,898 |
| 1989 | 25,711,732 | 30,070 | — | 409,494 | 500 | 26,152,046 |
| 1988 | 27,252,982 | 450,750 | — | 147,780 | 500 | 27,852,262 |
| 1987 | — | — | 1,242,140 | — | 500 | 1,242,640 |
▎ 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.