Facility detail

DETYENS SHIPYARD

1670 DRY DOCK AVE, NORTH CHARLESTON, SC, 29405

Parent company: DETYENS SHIPYARD

Carcinogen — EPA classifications across all reporting years

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Year-over-year total releases

Reported on-site TRI releases in pounds (lbs), grouped by reporting year.

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	Ethylbenzene	Copper	1,2,4-Trimethylbenzene	Total (lbs)
2024	22,113	—	7,246	810	—	31,078
2023	29,284	—	—	901	—	30,589
2022	23,452	—	—	308	—	24,108
2021	17,497	—	—	606	—	18,871
2020	10,954	—	—	374	—	11,514
2019	25,954	—	—	779	—	27,458
2018	20,267	—	7,377	2,096	—	32,697
2017	28,527	—	10,151	628	—	39,659
2016	44,102	—	15,943	939	—	61,770
2015	31,650	—	10,303	1,381	—	44,311
2014	43,574	7,060	15,044	1,806	—	68,595
2013	26,765	18,997	13,000	1,915	—	61,641
2012	52,427	27,608	15,274	701	—	96,422
2011	29,139	20,561	12,250	1,971	—	63,921
2010	19,906	19,381	8,745	3,727	—	51,759
2009	26,220	22,909	15,214	3,766	—	68,110
2008	30,620	41,479	27,203	4,878	—	107,278
2007	37,441	35,456	23,643	4,405	—	103,323
2006	27,083	34,069	20,819	4,902	—	89,237
2005	30,091	25,991	19,008	3,294	—	78,384
2004	21,367	12,262	7,976	—	—	41,605
2003	25,895	19,381	8,411	1,701	11,460	67,903
2002	46,495	23,512	13,145	8,153	7,763	104,864
2001	37,036	—	12,590	—	—	49,626

▎ 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.