Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
TYSON FARMS INC. - UNION CITY PROCESSING
2800 E TYSON DR, UNION CITY, TN, 38261
Parent company: TYSON FOODS INC
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 | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | Ammonia | Hydrogen sulfide | Peracetic acid | Total (lbs) | |
| 2024 | 528,670 | 7,858 | 2,278 | 1,580 | 540,386 | |
| 2023 | 412,201 | 24,481 | 2,430 | — | 439,112 | |
| 2022 | 379,188 | 4,113 | 2,180 | — | 385,481 | |
| 2021 | 428,116 | 2,565 | 2,213 | — | 432,894 | |
| 2020 | 306,973 | 1,216 | — | 6 | 308,195 | |
| 2019 | 305,700 | 10,200 | — | 6 | 315,906 | |
| 2018 | 255,250 | 8,630 | 2,251 | — | 266,131 | |
| 2017 | 363,630 | — | 2,187 | 5 | 365,822 | |
| 2016 | 357,630 | 10,677 | — | — | 368,307 | |
| 2015 | 256,335 | 16,401 | — | — | 272,736 | |
| 2014 | 197,571 | 16,271 | — | — | 213,842 | |
| 2013 | 53,232 | 10,467 | — | — | 63,699 | |
| 2012 | 51,277 | 370 | — | — | 51,647 | |
| 2011 | 98,214 | 5,269 | — | — | 103,482 | |
| 2010 | 73,005 | 445 | — | — | 73,450 | |
| 2009 | 98,876 | 16,000 | — | — | 114,876 | |
| 2008 | 133,535 | 12,874 | — | — | 146,409 | |
| 2007 | 138,224 | 8,316 | — | — | 146,540 | |
| 2006 | 165,303 | 29,497 | — | — | 194,800 | |
| 2005 | 151,143 | 29,478 | — | — | 180,621 | |
| 2004 | 154,452 | 10,862 | — | — | 165,314 | |
| 2003 | 74,878 | 19,940 | — | — | 94,818 | |
| 2002 | 74,588 | 36,792 | — | — | 111,380 | |
| 2001 | 67,000 | 19,145 | — | — | 86,145 | |
| 2000 | — | 8,000 | — | — | 8,000 | |
| 1999 | 42,458 | 9,000 | — | — | 51,458 | |
| 1998 | — | 3,000 | — | — | 3,000 | |
▎ 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.