Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
SUMCO LLC
1351 S GIRLS SCHOOL RD, INDIANAPOLIS, IN, 46231
Parent company: NA
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 | Nickel compounds | Copper compounds | Cyanide compounds | Copper | Nitric acid | Total (lbs) |
| 2020 | — | — | 0 | — | — | 0 |
| 2019 | 0 | 0 | 0 | — | — | 0 |
| 2018 | 0 | — | 0 | — | — | 0 |
| 2017 | 0 | 0 | 0 | — | — | 0 |
| 2016 | 0 | 0 | 0 | — | — | 0 |
| 2015 | 0 | 0 | 0 | — | — | 0 |
| 2014 | 0 | 0 | 0 | — | — | 1 |
| 2013 | 0 | 0 | — | — | — | 0 |
| 2012 | 0 | 0 | — | — | — | 0 |
| 2011 | 0 | 0 | — | — | — | 0 |
| 2010 | — | 0 | — | — | — | 0 |
| 2009 | 0 | 0 | — | — | — | 0 |
| 2008 | — | 0 | — | — | — | 0 |
| 2007 | 0 | 0 | — | — | — | 0 |
| 2006 | 0 | 0 | — | — | — | 0 |
| 2005 | — | 0 | — | — | — | 0 |
| 1994 | 250 | 250 | 250 | 250 | — | 1,005 |
| 1993 | 250 | 250 | 250 | 250 | — | 1,250 |
| 1992 | 250 | 250 | 250 | 250 | 250 | 2,000 |
| 1991 | 250 | 250 | 250 | 250 | 250 | 2,000 |
| 1990 | 500 | 500 | 500 | 500 | 500 | 3,510 |
| 1989 | 750 | 500 | 500 | 500 | 500 | 6,750 |
| 1988 | — | 250 | — | — | 250 | 1,000 |
▎ 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.