Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
10570 2ND ST NW, KILLDEER, ND, 58640
Parent company: ONEOK INC
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 | n-Hexane | Toluene | Benzene | Total (lbs) | ||
| 2024 | 6,060 | — | 255 | 6,315 | ||
| 2023 | 6,134 | 353 | 169 | 6,656 | ||
| 2022 | 6,040 | 255 | 169 | 6,464 | ||
▎ 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.