Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
GUARDIAN ENERGY HANKINSON
9230 COUNTY RD 1, HANKINSON, ND, 58041
Parent company: GUARDIAN ENERGY MANAGEMENT LLC
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 | Ammonia | n-Hexane | Methanol | Acrolein | Total (lbs) |
| 2024 | 5,141 | 12,892 | — | 1,539 | — | 20,772 |
| 2023 | 4,588 | 12,532 | — | 3,052 | — | 25,133 |
| 2022 | 5,263 | 12,262 | 8,903 | 3,431 | — | 34,339 |
| 2021 | 7,412 | 12,287 | 8,804 | 4,275 | — | 35,383 |
| 2020 | 6,736 | 10,761 | 4,818 | 3,898 | — | 28,598 |
| 2019 | 7,259 | 10,600 | 5,988 | 4,206 | — | 30,628 |
| 2018 | 7,454 | 10,518 | 5,989 | 4,294 | — | 30,865 |
| 2017 | 6,091 | 10,355 | 5,906 | 3,285 | — | 26,402 |
| 2016 | 6,671 | — | 6,577 | 5,226 | — | 18,474 |
| 2015 | 16,940 | — | 6,771 | 2,746 | 7,768 | 38,025 |
| 2014 | 18,162 | — | 5,777 | 5,071 | 7,524 | 38,894 |
| 2013 | 12,172 | — | 6,178 | 3,914 | 5,470 | 29,366 |
| 2012 | 6,486 | 10 | 6,190 | 3,560 | 4,839 | 22,324 |
| 2011 | 6,819 | 10 | 5,599 | 3,289 | 6,340 | 23,638 |
| 2010 | 7,498 | 10 | 5,757 | 2,618 | 6,853 | 25,723 |
| 2009 | 1,858 | — | 1,524 | 641 | — | 4,022 |
| 2008 | 4,413 | — | 1,692 | 682 | — | 6,786 |
▎ 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.