Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
USS GARY WORKS
1 N BROADWAY, GARY, IN, 46402
Parent company: US STEEL CORP
Carcinogen
PBT
— EPA classifications across all reporting years
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 compounds | Manganese compounds | Manganese And Manganese Compounds | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | Ammonia | Total (lbs) |
| 2024 | 5,679,000 | — | 11,028,200 | 120,000 | 161,445 | 19,070,171 |
| 2023 | 4,478,700 | — | 6,824,700 | 130,000 | 173,144 | 12,906,361 |
| 2022 | 4,676,500 | — | 5,725,400 | 150,000 | 158,273 | 11,870,526 |
| 2021 | 4,081,200 | — | 4,626,000 | 130,000 | 162,364 | 9,930,670 |
| 2020 | 5,477,400 | — | 12,033,600 | 140,000 | 132,393 | 19,264,205 |
| 2019 | 7,279,010 | — | 13,033,715 | 240,000 | 131,617 | 22,268,448 |
| 2018 | 10,089,900 | — | 15,027,730 | 250,000 | 148,627 | 27,635,829 |
| 2017 | 7,991,320 | 14,030,400 | — | 240,000 | 173,355 | 24,294,569 |
| 2016 | 7,704,100 | 13,055,400 | — | 280,000 | 135,486 | 22,913,552 |
| 2015 | 6,567,610 | 11,061,200 | — | 2,500,000 | 162,853 | 21,761,006 |
| 2014 | 6,073,200 | 12,052,600 | — | 3,500,000 | 320,977 | 23,472,121 |
| 2013 | 8,172,500 | 8,755,200 | — | 3,200,000 | 380,181 | 22,055,829 |
| 2012 | 6,376,800 | 5,476,400 | — | 8,900,000 | 400,383 | 23,339,563 |
| 2011 | 5,110,200 | 5,473,100 | — | 8,200,000 | 350,222 | 20,138,837 |
| 2010 | 5,139,160 | 4,225,700 | — | 9,100,000 | 294,151 | 19,690,453 |
| 2009 | 3,105,110 | 5,751,100 | — | 1,400,000 | 266,121 | 11,481,585 |
| 2008 | 3,482,900 | 5,959,400 | — | 1,300,000 | 277,290 | 12,033,987 |
| 2007 | 4,294,290 | 3,651,501 | — | 1,600,000 | 274,010 | 11,339,394 |
| 2006 | 4,599,215 | 4,952,716 | — | 1,600,460 | 322,410 | 12,481,096 |
| 2005 | 3,864,446 | 4,536,186 | — | 1,700,180 | 91,926 | 11,178,628 |
| 2004 | 5,174,933 | 4,749,445 | — | 2,400,084 | 114,361 | 13,519,258 |
| 2003 | 8,470,673 | 3,043,704 | — | 3,500,084 | 125,579 | 20,056,205 |
| 2002 | 5,384,763 | 3,045,005 | — | 2,900,000 | 145,861 | 12,941,402 |
| 2001 | 5,279,703 | 4,241,445 | — | 3,000,084 | 180,727 | 13,924,445 |
| 2000 | 5,988,903 | 3,641,474 | — | 3,200,084 | 187,123 | 14,230,525 |
| 1999 | 11,286,150 | 770,850 | — | — | 870,900 | 14,247,258 |
| 1998 | 9,355,034 | 1,674,189 | — | — | 2,112,714 | 14,677,859 |
| 1997 | 12,224,000 | 1,881,000 | — | — | 2,933,900 | 19,008,905 |
| 1996 | 4,155,220 | 1,496,000 | — | — | 2,990,150 | 10,540,532 |
| 1995 | 3,427,000 | 2,411,000 | — | — | 4,021,090 | 11,675,262 |
| 1994 | 427,600 | 1,060,000 | — | — | 3,807,100 | 6,321,639 |
| 1993 | 471,200 | 871,000 | — | — | 347,000 | 2,403,962 |
| 1992 | 389,600 | 797,000 | — | — | 377,400 | 2,385,902 |
| 1991 | 324,400 | 885,000 | — | — | 710,000 | 3,271,694 |
| 1990 | 147,600 | 375,900 | — | — | 1,123,000 | 4,474,622 |
| 1989 | 10,823 | 345,100 | — | — | 1,200,000 | 3,186,123 |
| 1988 | 4,323 | 2,552,300 | — | — | 1,200,000 | 11,710,468 |
| 1987 | 2,320,400 | 2,400,850 | — | — | 1,430,000 | 8,378,086 |
▎ 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.