Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
KEMWATER NA ANTIOCH PLANT
2151 WILBUR AVE, ANTIOCH, CA, 94509
Parent company: PIONEER COS
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 | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Chlorine | Total (lbs) | |||
| 1998 | — | 1 | 1 | |||
| 1997 | — | 3 | 3 | |||
| 1996 | — | 1 | 1 | |||
| 1995 | — | 21 | 21 | |||
| 1994 | — | 23 | 23 | |||
| 1993 | — | 250 | 250 | |||
| 1992 | — | 250 | 250 | |||
| 1991 | 960 | 250 | 1,210 | |||
| 1990 | 15,000 | 500 | 15,500 | |||
| 1989 | — | 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.