Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
MISSION SYSTEMS DAVENPORT INC.
2734 HICKORY GROVE RD, DAVENPORT, IA, 52804
Parent company: MISSION SYSTEMS ORCHARD PARK 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 | Trichloroethylene | 1,1,1-Trichloroethane | Ammonia | Total (lbs) | ||
| 1993 | — | — | 10 | 10 | ||
| 1992 | 3,220 | 4,814 | 10 | 8,044 | ||
| 1991 | 4,285 | 5,140 | 5 | 9,430 | ||
| 1990 | 10,100 | — | — | 10,100 | ||
| 1989 | 7,800 | 6,400 | — | 14,200 | ||
| 1988 | 8,413 | 13,898 | — | 22,311 | ||
▎ 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.