Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
TENNECO INC.
645 E BROAD ST, SMITHVILLE, TN, 37166
Parent company: TENNECO INC
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 | Nickel | Chromium | Manganese | Total (lbs) | ||
| 2024 | 54 | 17 | 18 | 90 | ||
| 2023 | 43 | 14 | 15 | 72 | ||
| 2022 | 60 | 21 | 25 | 106 | ||
| 2021 | 54 | 14 | 17 | 85 | ||
| 2020 | 21 | 8 | 10 | 39 | ||
| 2019 | 38 | 19 | 22 | 79 | ||
| 2018 | 35 | 13 | 15 | 63 | ||
| 2017 | 41 | 24 | 27 | 92 | ||
| 2016 | 56 | 26 | 29 | 111 | ||
| 2015 | 43 | 16 | 19 | 78 | ||
| 2014 | 2 | 2 | 1 | 6 | ||
| 2005 | 5 | 5 | — | 10 | ||
| 2004 | 767 | 5 | — | 772 | ||
| 2003 | 255 | 755 | — | 1,010 | ||
| 2002 | 5 | 255 | — | 260 | ||
| 2001 | 12 | 260 | — | 272 | ||
▎ 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.