Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
PLYMOUTH ENERGY LLC
22234 K42, MERRILL, IA, 51038
Parent company: NA
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 | Acetaldehyde | n-Hexane | Methanol | Ammonia | Acrolein | Total (lbs) |
| 2024 | 9,279 | 5,984 | 2,304 | — | — | 17,567 |
| 2023 | 6,998 | 5,657 | 1,949 | — | — | 14,604 |
| 2022 | 7,930 | 5,942 | 2,177 | — | — | 16,049 |
| 2021 | 2,972 | 4,397 | — | — | — | 7,369 |
| 2020 | — | 696 | — | — | — | 696 |
| 2019 | 6,780 | 1,633 | — | — | — | 8,413 |
| 2018 | 12,414 | 2,850 | 1,329 | — | — | 16,593 |
| 2017 | 13,220 | 3,265 | 1,245 | — | — | 17,730 |
| 2016 | 10,414 | 4,232 | 1,110 | — | — | 15,756 |
| 2015 | 9,952 | 3,653 | 1,121 | — | — | 14,726 |
| 2014 | 10,479 | 3,609 | 1,172 | — | — | 15,260 |
| 2013 | 14,369 | 3,458 | — | 4,419 | 2,329 | 24,575 |
| 2012 | 13,313 | 2,994 | — | — | 1,678 | 17,985 |
| 2011 | 8,958 | 3,147 | 2,316 | 4,785 | 1,944 | 21,150 |
| 2010 | 10,485 | 3,181 | 2,412 | 4,846 | 2,023 | 22,947 |
| 2009 | 2,160 | 1,158 | 1,901 | 1,414 | 1,590 | 8,223 |
▎ 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.