Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
25181 N AZ 79 MILE MARKER 139.5, FLORENCE, AZ, 85232
Parent company: US DEPARTMENT OF DEFENSE
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
The 10 chemicals with the highest cumulative on-site releases in pounds (lbs) across all available years.
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 | Lead | Copper | Lead compounds | Total (lbs) | ||
| 2024 | 4,897 | — | — | 4,897 | ||
| 2023 | 6,798 | — | — | 6,798 | ||
| 2022 | 6,720 | — | — | 6,720 | ||
| 2021 | 5,669 | — | — | 5,669 | ||
| 2020 | 6,757 | — | — | 6,757 | ||
| 2019 | 10,050 | 13,527 | — | 23,577 | ||
| 2018 | 7,522 | — | — | 7,522 | ||
| 2017 | 9,952 | — | — | 9,952 | ||
| 2016 | 9,418 | — | 9,418 | 18,837 | ||
| 2015 | 15,908 | 12,107 | — | 28,015 | ||
| 2014 | 6,768 | — | — | 6,768 | ||
| 2013 | 7,422 | — | — | 7,422 | ||
| 2012 | 7,828 | — | — | 7,828 | ||
| 2011 | 6,042 | — | — | 6,042 | ||
| 2010 | 6,714 | — | — | 6,714 | ||
| 2009 | 8,856 | 10,104 | — | 18,960 | ||
| 2008 | 5,416 | — | — | 5,416 | ||
| 2007 | 2,250 | — | — | 2,250 | ||
▎ 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.