Facility detail

US ARMY CORPS OF ENGINEERS DALECARLIA WTP

5900 MACARTHUR BLVD NW, WASHINGTON, DC, 20016

Parent company: US DEPARTMENT OF DEFENSE

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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	Manganese compounds	Chlorine	Ammonia	Copper compounds	Total (lbs)
2024	—	—	182	—	182
2023	—	—	152	—	152
2022	—	—	3,486	—	3,486
2021	—	—	57	—	57
2020	—	—	100	—	100
2019	—	—	99	—	99
2018	—	—	89	—	89
2017	—	—	100	—	100
2016	—	—	93	—	93
2015	—	—	93	—	93
2014	—	—	83	—	83
2013	—	—	87	—	87
2012	—	738	96	—	834
2011	—	533	107	—	640
2010	—	603	96	—	699
2009	1,635	566	115	—	2,316
2008	4,291	602	120	—	5,013
2007	11,236	700	141	—	12,077
2006	2,835	606	133	—	3,574
2005	16,900	657	163	—	17,720
2004	3,440	2,000	149	—	5,589
2003	6,447	1,700	156	—	8,303
2002	—	2,200	189	—	2,389
2001	10,200	—	487	—	10,687
2000	5,967	—	—	—	5,967
1999	30	—	—	3	33
1998	—	1,506	—	3,300	4,806
1997	—	1,810	—	900	2,710
1996	—	2,805	—	—	2,805
1995	—	2,060	—	—	2,060
1994	—	3,555	—	—	3,555

▎ 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.