TRI facility · TRI 2024 reporting year

Poet Biorefining-Corning

Total reported releases 26k lb more than doubled year over year (+104%). Total releases concentrations have more than doubled since 2010.

1680 BROOKS RD, Corning, Iowa · 325193 · Chemicals · operated by Poet Holding Co LLC

TOTAL RELEASES · 20102024
Bar chart of annual values from 2010 to 2024, in lb. Most recent year (2024): 26k.26k'10'12'14'16'18'20'22'2426k
Anomaly engine

Notable Signals

No notable signals at this facility for the current reporting year. See chemicals and equity context below for the full picture.

Chemicals reported · most recent year

What This Facility Releases

CARCINOGENCAS 107-02-8

Acrolein

12k lb · YoY

Acrolein concentrations have more than doubled since 2015.

CARCINOGENCAS 75-07-0

Acetaldehyde

8k lb · +90% YoY

Acetaldehyde concentrations are up 93% since 2011.

RESPIRATORYCAS 110-54-3

n-Hexane

3k lb · -1% YoY

n-Hexane concentrations are roughly unchanged from 2010.

CARCINOGENCAS 50-00-0

Formaldehyde

3k lb · +27% YoY

Formaldehyde concentrations have more than doubled since 2011.

GENERALCAS 64-18-6

Formic acid

560 lb · YoY

Formic acid concentrations have more than halved since 2016.

Equity context · ACS 2018-2022 block-group demographics

Who Lives Next To This Facility

Within 3 miles of this facility (1 Census block groups, population-weighted demographics): a population of 942. Why we surface this →

POPULATION SHARE
24.0%

Low-income

POPULATION SHARE
4.2%

People of color

POPULATION SHARE
2.8%

Under age 5

POPULATION SHARE
27.2%

Over age 64

Source: Census ACS 2018-2022 block-group demographics, population-weighted across the 3-mile buffer around this facility (from USEPA-clone/EJAM-open blockgroupstats). Indicator-level percentile and EJ-disparity scores are surfaced on the county page and the state page — they describe wider regional exposure burdens, not effects attributable to a single facility.

Source. EPA Toxics Release Inventory · retrieved 2026-05-07. Reporting year 2024. TRI is a federal public-domain dataset under 17 USC §105.

What this is not. TRI quantifies releases reported by the facility under EPCRA §313 — not ambient air or water concentrations measured at receptors. We do not attribute individual health outcomes to specific facilities; that exceeds what the data can support.