Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
US NAVAL SUBMARINE BASE SAN DIEGO
140 SYLVESTER RD, SAN DIEGO, CA, 92106
Parent company: US DEPARTMENT OF DEFENSE
Carcinogen
PBT
— 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 | Ethylbenzene | Benzene | Xylene (mixed isomers) | Naphthalene | Certain glycol ethers | Total (lbs) |
| 2024 | — | — | 1,960 | 213 | — | 2,173 |
| 2023 | — | — | 4,500 | 287 | — | 4,787 |
| 2022 | 820 | — | 3,400 | 272 | — | 4,492 |
| 2021 | — | — | 2,570 | 277 | — | 2,847 |
| 2020 | — | — | 1,598 | 237 | — | 1,835 |
| 2019 | — | — | — | 35 | — | 35 |
| 2018 | — | — | — | 26 | — | 26 |
| 2017 | — | — | 2,380 | 237 | — | 2,617 |
| 2016 | — | — | 3,040 | 98 | — | 3,138 |
| 2015 | 963 | 1,210 | — | 109 | — | 2,282 |
| 2014 | 2,040 | 1,516 | — | 81 | — | 3,637 |
| 2013 | 2,460 | 1,720 | — | 93 | — | 4,273 |
| 2012 | 2,120 | 1,829 | — | 242 | — | 4,191 |
| 2011 | 1,680 | 1,416 | — | 189 | — | 3,285 |
| 2010 | 1,891 | 1,926 | — | 133 | — | 3,950 |
| 2009 | 1,565 | 2,026 | — | 238 | — | 3,829 |
| 2008 | 1,730 | 2,334 | — | 212 | 16 | 4,292 |
| 2007 | 1,940 | 2,326 | — | 210 | 21 | 4,497 |
| 2006 | 2,510 | 3,161 | — | 332 | 176 | 6,179 |
| 2005 | 1,780 | 2,235 | — | 91 | — | 4,106 |
| 2004 | 500 | — | — | 20 | — | 520 |
▎ 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.