Facility detail

DESOTO TREATED MATERIALS INC

941 S MAGNOLIA DR, WIGGINS, MS, 39577

Parent company: NA

Carcinogen PBT — 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	Creosote	Chromium compounds (except for chromite ore mined in the Transvaal Region)	Arsenic compounds	Copper compounds	Chromium	Total (lbs)
2024	—	—	—	—	—	69
2023	—	22	11	19	—	54
2022	—	36	11	11	—	61
2021	—	—	—	—	—	226
2020	—	41	25	31	—	100
2019	—	—	—	—	—	72
2018	—	44	23	37	—	107
2017	—	74	43	35	—	154
2016	—	22	16	16	—	57
2015	—	136	46	82	—	268
2014	—	219	108	86	—	417
2013	—	88	36	48	—	175
2012	—	44	21	48	—	113
2011	—	17	7	17	—	41
2010	—	17	12	33	—	66
2009	—	134	53	70	—	261
2008	—	29	77	13	—	123
2007	—	—	—	—	—	4
2005	115	77	11	—	—	207
2004	205	64	24	—	—	307
2003	300	—	11	16	33	369
2002	252	—	29	—	75	370
2001	550	—	51	—	136	755
2000	496	—	—	—	—	510
1999	11,914	40	7	—	—	11,961
1998	8,514	—	—	—	—	8,514
1997	3,114	—	—	—	—	3,114
1996	4,214	—	—	—	—	4,214

▎ 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.