Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
COLONNA'S SHIPYARD INC
400 E INDIAN RIVER RD, NORFOLK, VA, 23523
Parent company: NA
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 | Xylene (mixed isomers) | n-Butyl alcohol | Copper | Copper compounds | Methyl isobutyl ketone | Total (lbs) |
| 2024 | 14,986 | 9,970 | 2,360 | — | — | 27,316 |
| 2023 | 11,812 | 10,794 | 3,081 | — | — | 25,687 |
| 2022 | 12,044 | 8,686 | — | — | — | 20,730 |
| 2021 | 17,830 | 6,309 | — | — | — | 24,139 |
| 2020 | 23,825 | 15,168 | — | — | — | 38,993 |
| 2019 | 13,565 | 9,327 | — | — | — | 22,892 |
| 2018 | 13,881 | 9,534 | — | — | — | 23,415 |
| 2017 | 21,730 | 10,165 | — | — | — | 31,895 |
| 2016 | 21,432 | 11,381 | — | 4,228 | — | 39,418 |
| 2015 | 22,744 | 16,618 | — | — | — | 39,362 |
| 2014 | 19,682 | 15,519 | — | 3,304 | — | 38,505 |
| 2013 | 14,482 | 11,196 | — | 2,181 | — | 27,859 |
| 2012 | 15,732 | 12,146 | — | 3,954 | — | 31,832 |
| 2011 | 9,794 | 13,029 | — | 3,043 | — | 25,866 |
| 2010 | 6,397 | 11,313 | — | 1,657 | — | 19,367 |
| 2009 | 7,976 | 11,022 | — | 2,406 | — | 21,404 |
| 2008 | 3,536 | 4,339 | — | 1,050 | — | 8,926 |
| 2007 | 7,335 | 12,507 | — | 2,464 | — | 22,306 |
| 2006 | 10,445 | 6,385 | — | 3,002 | — | 19,832 |
| 2005 | 15,253 | 9,360 | — | 2,685 | — | 27,298 |
| 2004 | 9,401 | 8,911 | — | 2,232 | — | 20,544 |
| 2003 | 8,013 | 6,533 | — | 1,447 | — | 15,993 |
| 2002 | 11,101 | 13,014 | — | 4,610 | — | 28,725 |
| 2001 | 10,033 | 11,794 | — | 3,090 | — | 24,917 |
| 2000 | 7,664 | 11,406 | 22,777 | — | — | 41,847 |
| 1999 | 7,642 | 9,871 | 31,799 | — | — | 49,312 |
| 1998 | 11,000 | 16,000 | 18,000 | — | — | 45,000 |
| 1997 | 24,000 | 34,000 | 31,000 | — | — | 89,000 |
| 1996 | 21,000 | 22,000 | 34,000 | — | — | 77,000 |
| 1995 | 22,000 | 12,500 | — | — | 8,500 | 43,000 |
| 1994 | 22,000 | 12,500 | — | — | 8,500 | 43,000 |
| 1993 | 22,000 | 13,000 | — | — | 9,000 | 44,000 |
| 1992 | 29,000 | 15,200 | — | — | 9,000 | 53,200 |
| 1991 | 32,500 | 16,550 | — | — | 10,210 | 59,260 |
| 1990 | 7,250 | 14,745 | — | 13,100 | — | 35,095 |
| 1988 | 12,747 | — | — | 16,448 | — | 29,195 |
▎ 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.