Facility detail

MANKATO ENERGY CENTER

1 FAZIO LN, MANKATO, MN, 56001

Parent company: ONWARD ENERGY

Carcinogen PBT — EPA classifications across all reporting years

Year-over-year total releases

Reported on-site TRI releases in pounds (lbs), grouped by reporting year.

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 n-Hexane Polycyclic aromatic compounds Total (lbs)
2024 83,559 — — 83,559
2023 71,241 — — 71,241
2022 50,051 — — 50,051
2021 77,693 — — 77,693
2020 38,265 — — 38,265
2019 33,010 — — 33,010
2018 3,910 — — 3,910
2017 5,424 — — 5,424
2016 2,739 — — 2,739
2014 1,168 1,170 — 2,338
2011 1,075 — — 1,075
2010 1,572 — — 1,572
2009 1,147 — 1 1,148
2008 1,590 — 1 1,591
2007 2,422 — — 2,422
2006 19,009 — — 19,009

▎ 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.