Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
U.S/ NAVY NAVAL SUPPORT ACTIVITY NORTHWEST ANNEX BASE
1320 NW BLVD SUITE 100, CHESAPEAKE, VA, 23322
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 | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | Naphthalene | Total (lbs) | ||
| 2024 | 16,709 | — | — | 16,709 | ||
| 2023 | 16,598 | — | — | 16,598 | ||
| 2022 | 16,275 | — | — | 16,275 | ||
| 2021 | 18,473 | — | — | 18,473 | ||
| 2020 | 20,178 | — | — | 20,178 | ||
| 2019 | 24,446 | — | — | 24,446 | ||
| 2018 | 22,185 | — | — | 22,185 | ||
| 2017 | 20,146 | — | — | 20,146 | ||
| 2016 | 17,768 | — | 1 | 17,769 | ||
| 2015 | 12,677 | — | — | 12,677 | ||
| 2014 | 23,592 | 28,374 | — | 51,966 | ||
| 2013 | 10,868 | — | — | 10,868 | ||
| 2012 | 11,332 | — | — | 11,332 | ||
| 2011 | 12,646 | — | — | 12,646 | ||
| 2010 | 8,436 | — | — | 8,436 | ||
| 2009 | 3,469 | 17,913 | — | 21,382 | ||
| 2008 | 5,757 | 26,416 | — | 32,173 | ||
| 2007 | 7,346 | — | — | 7,346 | ||
▎ 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.