Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
POET BIOREFINING - HANLONTOWN LLC
3638 FIR AVE, HANLONTOWN, IA, 50444
Parent company: POET HOLDING CO 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 | Ammonia | Acetaldehyde | n-Hexane | Formic acid | Methanol | Total (lbs) |
| 2024 | — | 2,940 | 2,772 | 1,800 | — | 9,922 |
| 2023 | — | 3,640 | 2,856 | — | 1,890 | 9,906 |
| 2022 | — | 5,364 | 2,741 | — | — | 9,565 |
| 2021 | — | 4,565 | — | — | 2,210 | 9,000 |
| 2020 | — | — | 3,721 | 1,700 | 2,404 | 8,506 |
| 2019 | — | — | 3,819 | 1,800 | 2,604 | 8,934 |
| 2018 | — | — | 3,718 | 2,300 | 2,704 | 9,553 |
| 2017 | — | — | 3,716 | 2,400 | 2,304 | 9,281 |
| 2016 | — | 630 | 3,022 | 1,200 | 1,104 | 7,203 |
| 2015 | — | 2,204 | 3,162 | — | — | 7,486 |
| 2014 | — | 3,924 | 2,968 | — | — | 7,474 |
| 2013 | — | 2,722 | 2,993 | — | — | 8,119 |
| 2012 | — | 2,550 | 2,993 | — | — | 6,266 |
| 2011 | — | 4,986 | 2,889 | — | — | 8,444 |
| 2010 | — | 4,256 | 2,880 | — | — | 8,311 |
| 2009 | 7,488 | 4,605 | 2,816 | — | — | 15,806 |
| 2008 | 65,395 | 4,714 | 2,907 | — | — | 73,805 |
| 2007 | 237,513 | 4,082 | 2,986 | — | — | 255,081 |
| 2006 | 157,291 | 3,670 | 3,080 | 1,464 | — | 165,505 |
| 2005 | 149,892 | 4,191 | 3,403 | 2,716 | — | 160,202 |
| 2004 | 3,976 | 174,390 | — | — | — | 178,378 |
▎ 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.