Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
U.S. NAVY SAN CLEMENTE ISLAND
55 NM S OF LONG BEACH & 68 NM W OF SAN DIEGO, SAN CLEMENTE ISLAND, CA, 92135
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 | Lead | Copper | Lead compounds | Aluminum (fume or dust) | Naphthalene | Total (lbs) |
| 2024 | 11,732 | — | — | — | — | 11,732 |
| 2023 | 11,606 | — | — | — | — | 11,606 |
| 2022 | 7,566 | — | — | — | — | 7,566 |
| 2021 | 18,250 | 12,000 | — | — | — | 30,250 |
| 2020 | 20,061 | — | — | — | 7 | 20,068 |
| 2019 | 21,509 | 12,000 | — | — | — | 33,509 |
| 2018 | — | 7,000 | 15,913 | — | — | 22,913 |
| 2017 | — | 12,000 | 13,610 | — | — | 25,610 |
| 2016 | 13,953 | 6,700 | — | — | — | 20,653 |
| 2015 | 13,637 | 7,400 | — | — | — | 21,037 |
| 2014 | 11,000 | 6,200 | — | — | — | 17,200 |
| 2013 | 16,000 | 11,000 | — | — | — | 27,000 |
| 2012 | 12,000 | 7,000 | — | — | — | 19,000 |
| 2011 | 2,200 | 1,900 | — | — | — | 4,100 |
| 2010 | 1,400 | 1,500 | — | — | — | 2,900 |
| 2009 | 280 | 1,000 | — | — | — | 1,280 |
| 2008 | 390 | 1,200 | — | — | — | 1,590 |
| 2007 | 830 | 5,600 | — | — | — | 6,430 |
| 2001 | 980 | 14,700 | — | 10,900 | — | 26,580 |
▎ 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.