Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
WEBCO INDUSTRIES INC. - OK DIST. DIV.
3116 E 31ST ST N, TULSA, OK, 74110
Parent company: WEBCO INDUSTRIES INC
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 | Copper | Zinc compounds | Total (lbs) |
| 2024 | — | 0 | 1 | 1 | — | 2 |
| 2023 | 15 | 6 | 14 | 4 | — | 39 |
| 2022 | 6 | 2 | 0 | 0 | — | 9 |
| 2021 | 6 | 2 | 0 | 0 | — | 9 |
| 2020 | 5 | 22 | 1 | 1 | — | 29 |
| 2019 | 23 | 22 | 13 | 23 | 5 | 86 |
| 2018 | 0 | — | 0 | 0 | 0 | 0 |
▎ 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.