Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
MID-CONTINENT FRACTIONATION & STORAGE CONWAY FRA
1407 5TH AVENUE, MCPHERSON, KS, 67460
Parent company: THE WILLIAMS COS
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 | Methanol | n-Hexane | Cyclohexane | Benzene | Total (lbs) | |
| 2024 | 7,200 | 12,580 | 3,270 | 1,478 | 24,528 | |
| 2023 | 11,500 | 12,600 | 3,270 | 1,478 | 28,848 | |
| 2022 | 160,000 | 10,008 | 2,112 | 1,006 | 173,126 | |
▎ 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.