Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
MONUMENT CHEMICAL BAYPORT LLC
10200 BAY AREA BLVD, PASADENA, TX, 77507
Parent company: MONUMENT CHEMICAL 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 | Methanol | n-Butyl alcohol | Acetonitrile | Toluene | Cyclohexane | Total (lbs) |
| 2024 | 385 | — | — | — | — | 389 |
| 2023 | 527 | 5 | — | — | — | 534 |
| 2022 | 97 | 57 | — | — | — | 155 |
| 2021 | 22 | 277 | — | — | — | 304 |
| 2020 | 1,598 | 136 | — | — | — | 1,808 |
| 2019 | 1,413 | 500 | — | — | — | 1,913 |
| 2018 | 500 | 10 | 1,000 | — | — | 1,530 |
| 2017 | 195 | — | 1,177 | — | — | 1,558 |
| 2016 | 5,592 | 171 | 538 | — | — | 6,301 |
| 2015 | 210 | 33 | — | — | — | 285 |
| 2014 | 645 | 41 | 12 | — | — | 698 |
| 2013 | 1,508 | 462 | 336 | — | — | 2,354 |
| 2012 | 1,290 | 902 | 880 | — | — | 3,143 |
| 2011 | 1,290 | 658 | 666 | — | — | 2,700 |
| 2010 | 1,508 | 462 | 336 | — | — | 2,354 |
| 2009 | 905 | 652 | 727 | — | — | 2,581 |
| 2008 | 1,322 | 134 | — | — | — | 2,718 |
| 2007 | 1,000 | 1,000 | — | — | — | 3,255 |
| 2006 | 1,116 | 125 | — | — | — | 1,472 |
| 2005 | 413 | 834 | — | — | — | 1,261 |
| 2004 | 619 | 1,661 | — | 321 | — | 2,676 |
| 2003 | 238 | 596 | — | 33 | — | 998 |
| 2002 | 500 | 500 | — | — | — | 2,010 |
| 2001 | 500 | 500 | — | 1,500 | — | 3,500 |
| 2000 | 345 | 190 | — | 141 | — | 2,048 |
| 1999 | 500 | — | — | 500 | — | 2,231 |
| 1998 | — | — | — | 19 | — | 484 |
| 1997 | — | — | — | 255 | — | 1,030 |
| 1996 | — | — | — | 255 | 1,000 | 1,775 |
| 1995 | — | — | — | 255 | 1,000 | 1,775 |
| 1994 | 500 | — | — | — | 1,000 | 1,515 |
▎ 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.