Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
U.S. NAVY NORFOLK NAVAL SHIPYARD
INTERSECTION OF EFFINGHAM ST & GEORGE WASHINGTON H, PORTSMOUTH, VA, 237095000
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 | n-Butyl alcohol | Xylene (mixed isomers) | 1,2,4-Trimethylbenzene | 1,1,1-Trichloroethane | Ethylene glycol | Total (lbs) |
| 2024 | — | 220 | — | — | — | 330 |
| 2023 | — | 862 | — | — | — | 1,032 |
| 2022 | — | 2,092 | — | — | — | 2,092 |
| 2021 | — | 23,400 | — | — | — | 23,400 |
| 2020 | 15,410 | 12,330 | — | — | — | 27,756 |
| 2019 | 18,480 | 15,150 | — | — | 620 | 35,165 |
| 2018 | — | — | — | — | — | 26 |
| 2017 | 18,100 | 18,900 | — | — | — | 38,830 |
| 2016 | 11,300 | 7,100 | — | — | — | 18,400 |
| 2015 | 14,200 | 18,400 | — | — | — | 32,600 |
| 2014 | 28,500 | 21,700 | — | — | — | 50,200 |
| 2013 | 15,700 | 18,200 | — | — | — | 33,900 |
| 2012 | — | 6,400 | — | — | — | 6,400 |
| 2011 | 41,000 | 18,400 | 20,940 | — | — | 84,108 |
| 2010 | 19,900 | — | 13,100 | — | — | 33,151 |
| 2009 | 47,700 | 14,760 | 12,510 | — | — | 75,991 |
| 2008 | 14,300 | 10,000 | — | — | — | 24,584 |
| 2007 | 38,300 | 9,950 | 18,380 | — | 1,200 | 67,832 |
| 2006 | 46,600 | 22,600 | 15,630 | — | 3,400 | 89,920 |
| 2005 | 19,000 | 17,200 | — | — | — | 36,200 |
| 2004 | 39,100 | 24,300 | 11,570 | — | 2,000 | 78,957 |
| 2003 | 27,500 | 36,600 | 15,280 | — | 1,400 | 82,239 |
| 2002 | 41,700 | 30,900 | 13,100 | — | 1,400 | 102,545 |
| 2001 | 16,700 | 34,500 | 21,200 | — | 1,400 | 89,135 |
| 2000 | 19,600 | 39,100 | — | — | 2,000 | 63,380 |
| 1999 | 49,700 | 23,836 | — | — | 4,000 | 78,826 |
| 1998 | 38,000 | 31,000 | — | — | 3,700 | 76,500 |
| 1997 | 16,700 | 17,800 | — | 21,000 | 3,800 | 59,300 |
| 1996 | 17,900 | 17,900 | — | — | 2,100 | 52,700 |
| 1995 | 15,700 | 20,000 | — | 14,000 | — | 55,850 |
| 1994 | 24,300 | 34,400 | — | 11,005 | 1,200 | 100,020 |
▎ 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.