Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
ONEOK FIELD SVC/MAYSVILLE GAS PLT
2 MI W ON HWY 19, MAYSVILLE, OK, 73057
Parent company: ONEOK 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 | n-Hexane | Formaldehyde | Methanol | Cyclohexane | Benzene | Total (lbs) |
| 2024 | 17,109 | — | 1,763 | — | 410 | 19,283 |
| 2023 | 18,328 | 26,569 | 2,077 | — | — | 46,974 |
| 2022 | 22,381 | 25,944 | 2,436 | 3,152 | — | 53,914 |
▎ 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.