Facility detail

POET HOLDING CO LLC

40425 133RD ST, GROTON, SD, 57445

Parent company: POET LLC

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	Ammonia	Acetaldehyde	n-Hexane	Formic acid	Methanol	Total (lbs)
2024	—	16,068	3,280	—	1,722	21,070
2023	—	16,060	3,157	—	1,600	20,817
2022	—	15,076	2,957	—	1,720	19,753
2021	—	15,239	—	770	1,520	18,935
2020	—	13,006	3,300	1,000	860	18,806
2019	5,814	14,006	3,500	870	840	25,690
2018	5,474	13,007	3,400	660	860	24,101
2017	—	9,707	3,400	—	—	13,107
2016	—	9,708	3,300	—	740	14,348
2015	—	9,250	4,041	—	615	14,520
2014	—	9,307	3,984	—	623	14,535
2013	—	9,257	3,884	—	616	14,372
2012	—	9,368	3,887	—	629	14,512
2011	—	9,339	3,827	—	627	14,419
2010	3,050	9,380	4,085	—	631	17,777
2009	—	8,860	1,430	10,181	—	20,472
2008	5,255	9,246	1,435	10,122	—	26,058
2007	47,047	9,166	—	—	—	56,213
2006	45,779	13,121	1,369	—	—	60,269
2005	95,888	17,491	1,449	—	—	114,828
2004	111,600	18,500	1,501	—	—	135,144
2003	49,671	4,909	1,206	—	—	55,786

▎ 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.