Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
HOUSTON AMMONIA TERMINAL LP
4403 LAPORTE RD, PASADENA, TX, 775030046
Parent company: MISSISSIPPI CHEMICAL
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 | Total (lbs) | ||||
| 2000 | 2,400 | 2,400 | ||||
| 1999 | 2,400 | 2,400 | ||||
| 1998 | 2,400 | 2,400 | ||||
| 1996 | 5,087 | 5,087 | ||||
| 1995 | 6,121 | 6,121 | ||||
| 1994 | 7,241 | 7,241 | ||||
| 1993 | 5,546 | 5,546 | ||||
| 1992 | 6,550 | 6,550 | ||||
| 1991 | 6,550 | 6,550 | ||||
| 1990 | 6,550 | 6,550 | ||||
| 1989 | 1,000 | 1,000 | ||||
| 1987 | 25,056 | 25,056 | ||||
▎ 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.