Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
WEATHERFORD INTERNATIONAL HUNTSVILLE MANUFACTURING
7587 HIGHWAY 75 S, HUNTSVILLE, TX, 77340
Parent company: WEATHERFORD INTERNATIONAL
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 | Manganese | Chromium | Nickel | Total (lbs) | ||
| 2024 | 22 | 12 | 14 | 48 | ||
| 2023 | 13 | 11 | 10 | 34 | ||
| 2022 | 12 | 10 | 11 | 33 | ||
| 2021 | 12 | 10 | 10 | 32 | ||
| 2020 | — | 11 | — | 11 | ||
| 2019 | 13 | 10 | 10 | 33 | ||
| 2018 | 15 | 10 | 10 | 35 | ||
▎ 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.