Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
TERRA MISSISSIPPI NITROGEN (MELAMINE FACILITY)
39041 HWY 18 W, DONALDSONVILLE, LA, 70346
Parent company: TERRA INDUSTRIES INC
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 | Ammonium sulfate (solution) | Chlorine | Total (lbs) | ||
| 2004 | 99,744 | — | — | 99,744 | ||
| 2003 | 195,056 | — | — | 195,056 | ||
| 2002 | 14,569 | — | — | 14,569 | ||
| 2001 | 368,084 | — | — | 368,084 | ||
| 2000 | 367,802 | — | — | 367,802 | ||
| 1999 | 438,023 | — | — | 438,023 | ||
| 1998 | 557,942 | — | — | 557,942 | ||
| 1997 | 589,216 | — | — | 589,216 | ||
| 1996 | 581,608 | — | — | 581,608 | ||
| 1995 | 563,019 | — | — | 563,019 | ||
| 1994 | 96,046 | — | — | 96,046 | ||
| 1993 | 340,738 | — | — | 340,738 | ||
| 1992 | 294,794 | — | — | 294,794 | ||
| 1991 | 75,772 | 878,273 | — | 954,045 | ||
| 1990 | 67,550 | 1,168,519 | — | 1,236,069 | ||
| 1989 | 67,550 | 1,229,965 | — | 1,297,515 | ||
| 1988 | 104,489 | 617,120 | — | 721,609 | ||
| 1987 | — | — | 250 | 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.