Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
US NITROGEN LLC
471 POTTERTOWN RD, MIDWAY, TN, 37809
Parent company: AUSTIN POWDER HOLDINGS CO
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 | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | Nitric acid | Chlorine | Total (lbs) | |
| 2024 | 85,886 | 31,603 | 644 | 7 | 118,140 | |
| 2023 | 82,459 | 19,102 | 607 | 4 | 102,172 | |
| 2022 | 84,717 | 11,887 | 791 | 2 | 97,397 | |
| 2021 | 87,861 | 5,983 | 589 | 1 | 94,435 | |
| 2020 | 83,059 | 4,300 | 589 | 5 | 87,953 | |
| 2019 | 83,662 | 7,050 | 627 | 1 | 91,341 | |
| 2018 | 79,260 | 3,369 | 787 | 7 | 83,423 | |
| 2017 | 116,506 | 9,512 | 5,182 | 10 | 131,210 | |
| 2016 | 54,454 | 1,412 | 5 | 10 | 55,881 | |
▎ 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.