Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
EAST STORAGE / SPLITTER III FACILITY
316 S MAIN ST, MONT BELVIEU, TX, 77580
Parent company: ENTERPRISE PRODUCTS OPERATING LLC
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 | Propylene | Ethylene | n-Hexane | Toluene | Benzene | Total (lbs) |
| 2024 | 44,338 | 19,141 | 1,866 | 17 | 14 | 65,376 |
| 2023 | 51,211 | 9,374 | 2,083 | 43 | 32 | 62,743 |
| 2022 | 44,798 | — | 2,662 | 24 | 18 | 47,502 |
| 2021 | 42,016 | — | 2,096 | 19 | 14 | 44,145 |
| 2020 | 36,628 | — | 2,029 | 659 | 12 | 39,335 |
| 2019 | 68,050 | — | 5,440 | 51 | 39 | 73,602 |
| 2018 | 51,680 | — | 3,720 | 34 | 25 | 55,473 |
| 2017 | 47,280 | — | 4,080 | 38 | 31 | 51,445 |
| 2016 | 94,026 | 48 | — | — | — | 94,073 |
| 2015 | 78,038 | 114 | 2,916 | — | — | 81,068 |
| 2014 | 196,822 | 103 | 3,281 | — | — | 200,205 |
| 2013 | 73,660 | 74 | 3,068 | — | — | 76,802 |
| 2012 | 52,170 | 893 | 2,640 | — | — | 55,704 |
| 2011 | 48,044 | 10,260 | — | — | — | 58,303 |
| 2010 | 57,988 | 3,590 | — | — | — | 61,577 |
| 2009 | 245,941 | — | — | — | — | 245,941 |
| 2008 | 35,685 | — | — | — | — | 35,685 |
| 2007 | 5,816 | — | — | — | — | 5,816 |
| 2006 | 128,459 | — | — | — | — | 128,459 |
| 2005 | 241,700 | — | — | — | — | 241,700 |
| 2004 | 47,651 | — | — | — | — | 47,651 |
| 2003 | 45,955 | — | — | — | — | 45,955 |
| 2002 | 7,355 | — | — | — | — | 7,355 |
| 2001 | 55,700 | — | — | — | — | 55,700 |
| 2000 | 73,081 | 519 | — | — | — | 73,600 |
| 1999 | 52,020 | — | — | — | — | 52,020 |
| 1998 | 55,460 | — | — | — | — | 55,460 |
| 1997 | 47,800 | — | — | — | — | 47,800 |
| 1996 | 46,600 | — | — | — | — | 46,600 |
| 1995 | 66,800 | — | — | — | — | 66,800 |
| 1994 | 50,600 | — | — | — | — | 50,600 |
| 1993 | 81,000 | — | — | — | — | 81,000 |
| 1992 | 80,000 | — | — | — | — | 80,000 |
| 1991 | 73,840 | — | — | — | — | 73,840 |
| 1990 | 17,817 | — | — | — | — | 17,817 |
▎ 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.