Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
DCP MIDSTREAM LP CIMARRON PLANT
HWY. 270 APPROX 4 1/2 MI NW, SEILING, OK, 73663
Parent company: PHILLIPS 66
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 | Cyclohexane | Benzene | n-Hexane | Toluene | Ethylbenzene | Total (lbs) |
| 2024 | 9,200 | 1,080 | 680 | — | — | 10,960 |
| 2023 | 4,610 | 1,069 | 1,340 | 968 | — | 8,097 |
| 2022 | 9,950 | 1,750 | 1,250 | 1,435 | 940 | 15,805 |
▎ 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.