Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
KOCH FERTILIZER WEVER LLC
3550 180TH ST, WEVER, IA, 52658
Parent company: KOCH 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 | Ammonia | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | Methanol | Formaldehyde | Chlorine dioxide | Total (lbs) |
| 2024 | 729,400 | 350,000 | 1,360 | 4,570 | 14,000 | 1,099,340 |
| 2023 | 584,000 | 120,000 | 29,905 | 4,449 | — | 742,021 |
| 2022 | 414,000 | 140,000 | 10,605 | 4,228 | — | 569,405 |
| 2021 | 595,500 | 97,000 | — | 4,998 | — | 698,758 |
| 2020 | 671,622 | 28,986 | — | 5,008 | — | 705,866 |
| 2019 | 532,353 | 24,705 | — | 1,080 | — | 559,266 |
| 2018 | 828,807 | 21,262 | — | 1,260 | — | 851,339 |
| 2017 | 459,204 | 18,379 | — | 576 | — | 478,170 |
| 2016 | 28,039 | — | — | — | — | 28,039 |
▎ 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.