Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
U.S. TVA CALEDONIA COMBINED CYCLE PLANT
255 LONE OAK ROAD, STEENS, MS, 39766
Parent company: NA
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 | Ammonia | Total (lbs) | ||||
| 2024 | 200,000 | 200,000 | ||||
| 2023 | 140,000 | 140,000 | ||||
| 2022 | 91,000 | 91,000 | ||||
| 2021 | 69,000 | 69,000 | ||||
| 2020 | 170,000 | 170,000 | ||||
| 2019 | 180,000 | 180,000 | ||||
| 2018 | 440,000 | 440,000 | ||||
| 2017 | 500,000 | 500,000 | ||||
| 2016 | 550,000 | 550,000 | ||||
| 2015 | 380,000 | 380,000 | ||||
| 2014 | 300,000 | 300,000 | ||||
| 2013 | 350,000 | 350,000 | ||||
| 2012 | 36,000 | 36,000 | ||||
| 2011 | 28,000 | 28,000 | ||||
| 2010 | 32,000 | 32,000 | ||||
| 2009 | 28,000 | 28,000 | ||||
| 2008 | 18,000 | 18,000 | ||||
▎ 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.