Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
US ARMY IOWA ARMY AMMUNITION PLANT-AMERICAN ORDNANCE LLC
17575 HWY 79, MIDDLETOWN, IA, 52638
Parent company: AMERICAN ORDNANCE LLC
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 | Acetone | 1,1,1-Trichloroethane | Xylene (mixed isomers) | Methyl ethyl ketone | Chlorine | Total (lbs) |
| 1993 | 10,692 | — | 10,849 | 10,509 | 20 | 32,070 |
| 1992 | 10,372 | — | 18,293 | 9,611 | 20 | 38,303 |
| 1991 | 9,866 | 11,900 | 476 | 10,966 | 8 | 35,016 |
| 1990 | 21,547 | 44,702 | 8,127 | — | 3,488 | 77,864 |
| 1989 | 4,360 | 3,900 | — | — | 1,922 | 10,182 |
| 1988 | 35,424 | 24,628 | 12,593 | — | 1,827 | 74,472 |
| 1987 | 33,492 | — | — | — | — | 33,492 |
▎ 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.