Facility detail

NLMK INDIANA

6500 S BOUNDARY RD, PORTAGE, IN, 46368

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	Zinc (fume or dust)	Lead	Phosphoric acid	Manganese	Aluminum (fume or dust)	Total (lbs)
2024	21,199	388	—	2,350	—	24,363
2023	15,006	554	—	1,792	—	17,626
2022	15,449	570	—	18,445	—	34,738
2021	9,020	333	—	1,102	—	10,621
2020	14,771	545	—	1,764	—	17,350
2019	21,540	795	—	2,565	—	25,283
2018	17	1	—	2	—	25
2017	2,765	102	—	347	—	3,270
2016	3,634	134	—	450	—	4,288
2015	6,210	229	—	754	—	7,310
2014	20,600	760	—	2,455	—	24,202
2013	14,204	524	—	1,699	—	16,685
2012	26,334	972	—	3,133	—	30,912
2011	50,674	1,725	—	7,542	—	60,947
2010	15,536	536	—	2,186	—	18,567
2009	32,686	1,294	—	2,860	—	37,310
2008	36,997	1,465	—	3,237	—	42,223
2007	71,251	2,821	—	6,234	—	81,314
2006	93,055	3,685	—	8,142	—	105,646
2005	19,707	780	—	1,724	—	22,373
2004	19,581	705	—	2,220	—	22,515
2003	15,791	568	—	1,791	—	18,157
2002	6,800	246	—	775	—	13,580
2001	—	—	—	—	—	5,600
2000	151	15	—	—	—	5,774
1999	981,500	98,200	—	—	—	1,148,825
1998	807,950	81,050	64,400	—	58,500	1,069,250
1997	240,160	24,016	37,000	—	—	323,792

▎ 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.