Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
NIPPON STEEL PIPE AMERICA INC.
1515 E 4TH ST, SEYMOUR, IN, 47274
Parent company: NA
Carcinogen
— 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 | Manganese | Chromium compounds (except for chromite ore mined in the Transvaal Region) | Manganese compounds | Nickel compounds | Chromium | Total (lbs) |
| 2024 | 4,105 | — | — | — | — | 4,105 |
| 2023 | 4,156 | — | — | — | — | 4,156 |
| 2022 | 4,086 | — | — | — | — | 4,086 |
| 2021 | 1,990 | — | — | — | — | 1,990 |
| 2020 | 2,015 | — | — | — | — | 2,015 |
| 2019 | 2,557 | — | — | — | — | 2,557 |
| 2018 | 2,486 | — | — | — | — | 2,486 |
| 2017 | 5,368 | — | — | — | — | 5,368 |
| 2016 | 6,074 | — | — | — | — | 6,074 |
| 2015 | 5,933 | — | — | — | — | 5,933 |
| 2014 | 5,442 | — | — | — | — | 5,442 |
| 2013 | 4,902 | — | — | — | — | 4,902 |
| 2012 | 4,706 | — | — | — | — | 4,706 |
| 2011 | — | 38 | 20 | 15 | — | 75 |
| 2010 | — | 41 | 20 | 16 | — | 79 |
| 2009 | — | 27 | 13 | 10 | — | 51 |
| 2007 | — | 42 | 17 | 14 | — | 75 |
| 2006 | — | 44 | 20 | 16 | — | 82 |
| 2005 | — | 42 | 22 | 17 | — | 83 |
| 2004 | — | 250 | 250 | 250 | — | 755 |
| 2003 | — | 250 | 250 | 250 | — | 755 |
| 2002 | — | 500 | 500 | 500 | — | 1,510 |
| 2001 | — | 500 | 500 | 500 | — | 1,510 |
| 2000 | — | 500 | 500 | 500 | — | 1,510 |
| 1999 | — | 255 | 10 | 10 | — | 285 |
| 1998 | — | 255 | 10 | 10 | — | 285 |
| 1997 | — | 255 | 20 | 10 | — | 295 |
| 1996 | — | 255 | 20 | 10 | — | 285 |
| 1995 | 255 | — | — | — | 255 | 765 |
▎ 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.