Facility detail

HUDAPACK METAL TREATING INC

979 KOOPMAN LN, ELKHORN, WI, 53121

Parent company: THERMAL PROCESS HOLDINGS

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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	Methanol	Total (lbs)
2024	2,709	2,709
2023	2,990	2,990
2022	2,780	2,780
2021	5,668	5,668
2020	3,657	3,657
2019	3,852	3,852
2018	17,950	17,950
2017	17,028	17,028
2016	16,886	16,886
2015	17,044	17,044
2014	15,904	15,904
2013	16,014	16,014
2012	17,733	17,733
2011	17,402	17,402
2010	16,884	16,884
2009	16,039	16,039
2008	16,823	16,823
2007	16,759	16,759
2006	16,851	16,851
2005	17,042	17,042
2004	17,222	17,222
2003	16,878	16,878
2002	16,670	16,670
2001	16,523	16,523
2000	17,253	17,253
1999	17,610	17,610
1998	17,157	17,157
1997	17,071	17,071
1996	16,264	16,264
1995	16,440	16,440
1994	16,218	16,218
1993	16,030	16,030
1992	15,869	15,869
1991	15,733	15,733
1990	15,617	15,617
1989	15,519	15,519
1988	15,435	15,435

▎ 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.