Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
THATCHER CO OF CALIFORNIA
8625 UNSWORTH AVE, SACRAMENTO, CA, 95828
Parent company: THATCHER GROUP
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 | Chlorine | Methanol | Total (lbs) | ||
| 2024 | 1,535 | 424 | 104 | 2,063 | ||
| 2023 | 1,371 | 355 | 57 | 1,783 | ||
| 2022 | — | 340 | 84 | 424 | ||
| 2021 | — | 268 | 100 | 368 | ||
| 2020 | — | — | 104 | 104 | ||
| 2019 | — | — | 119 | 119 | ||
| 2018 | — | — | 124 | 124 | ||
| 2017 | — | — | 161 | 161 | ||
▎ 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.