Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
HERMOSA
749 HARSHAW RD, PATAGONIA, AZ, 85624
Parent company: NA
Carcinogen
PBT
— 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 | Lead compounds | Manganese compounds | Zinc compounds | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | Mercury compounds | Total (lbs) |
| 2024 | 93 | — | — | — | — | 93 |
| 2023 | — | 74,003 | 9,290 | 1,039 | — | 84,427 |
| 2022 | — | 69,300 | — | — | — | 69,300 |
| 2019 | 95,739 | — | — | — | 93 | 95,834 |
| 2018 | 179,220 | — | — | — | 258 | 179,478 |
▎ 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.