Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
NORTHERN STAINLESS CORP
845 HICKORY ST, PEWAUKEE, WI, 53072
Parent company: NA
Carcinogen
— EPA classifications across all reporting years
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases 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.
| Year | Chromium | Nickel | Copper | Total |
|---|---|---|---|---|
| 2024 | 377 | 393 | 292 | 1,062 |
| 2023 | 394 | 333 | 320 | 1,047 |
| 2022 | 423 | 355 | 390 | 1,168 |
| 2021 | 342 | 409 | 344 | 1,095 |
| 2020 | 299 | 262 | 223 | 784 |
| 2019 | 328 | 327 | 119 | 774 |
| 2018 | 428 | 305 | 63 | 796 |
| 2017 | 322 | 208 | 124 | 654 |
| 2016 | 370 | 206 | 63 | 639 |
| 2015 | 335 | 199 | — | 534 |
| 2014 | 229 | 132 | — | 361 |
| 2013 | 225 | 118 | — | 343 |
| 2012 | 196 | 106 | — | 302 |
| 2011 | 175 | 88 | — | 263 |
| 2010 | 121 | 69 | — | 190 |
| 2009 | 142 | 63 | — | 205 |
| 2008 | 216 | 108 | — | 324 |
| 2007 | 193 | 90 | — | 283 |
| 2006 | 175 | 91 | — | 266 |
| 2005 | 191 | 91 | — | 282 |
| 2004 | 158 | 71 | — | 229 |
| 2003 | 1,005 | 500 | — | 1,505 |
| 2002 | 250 | — | — | 250 |
| 2001 | 750 | 750 | — | 1,500 |
| 2000 | 750 | — | — | 750 |
| 1999 | 750 | 750 | — | 1,500 |
| 1998 | 750 | 750 | — | 1,500 |
| 1997 | 860 | — | — | 860 |
| 1996 | — | 56 | — | 56 |
| 1995 | 130 | — | — | 130 |
| 1994 | 141 | — | — | 141 |
| 1993 | 956 | — | — | 956 |
| 1992 | 850 | — | — | 850 |
| 1991 | 860 | — | — | 860 |
| 1990 | 900 | — | — | 900 |
| 1989 | 800 | — | — | 800 |