Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
STOCK ISLAND POWER PLANT
6900 FRONT ST EXTENDED, KEY WEST, FL, 33040
Parent company: FLORIDA MUNICIPAL POWER AGENCY
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 | Xylene (mixed isomers) | 1,2,4-Trimethylbenzene | Naphthalene | Phenanthrene | Total (lbs) |
| 2024 | 14 | — | 14 | 8 | — | 36 |
| 2023 | 16 | — | 16 | 9 | — | 41 |
| 2022 | 16 | — | 16 | 9 | — | 41 |
| 2021 | 16 | — | 16 | 9 | — | 41 |
| 2020 | 16 | — | 16 | 9 | — | 41 |
| 2019 | 16 | — | 16 | 11 | — | 43 |
| 2018 | 16 | — | 16 | — | — | 32 |
| 2015 | 16 | — | 16 | 12 | — | 44 |
| 2014 | 16 | — | 16 | 11 | — | 43 |
| 2013 | 16 | — | 16 | — | — | 32 |
| 2012 | 16 | — | 16 | — | — | 32 |
| 2011 | 16 | — | 16 | 14 | — | 46 |
| 2010 | 16 | — | 16 | 17 | — | 49 |
| 2009 | 16 | 15 | 16 | 18 | — | 64 |
| 2008 | 16 | 14 | — | 8 | — | 38 |
| 2007 | — | 21 | — | 20 | 4 | 45 |
| 2006 | — | 23 | — | 20 | 5 | 48 |
| 2005 | — | 30 | — | 27 | 6 | 63 |
| 2004 | — | 21 | — | 19 | 4 | 44 |
| 2003 | — | 19 | — | 21 | 4 | 44 |
| 2002 | — | 27 | — | 23 | 28 | 78 |
| 2001 | — | 36 | — | 30 | 8 | 74 |
| 2000 | 201 | 156 | 112 | 49 | 8 | 533 |
| 1999 | 151 | 117 | 84 | 32 | 6 | 395 |
| 1998 | 120 | 86 | 74 | 31 | 6 | 317 |
▎ 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.