EPA TRI Facility · Chemicals
Prairie Ethanol LLC (dba Poet Biorefining) Mitchell
Mitchell, SD · Parent: Poet Holding Co LLC
- Total releases
- 41.9K lbs
- Chemicals reported
- 9
- Carcinogens
- 4
- Primary pathway
- Air Releases
AIR Form-R mix
Prairie Ethanol LLC (dba Poet Biorefining) Mitchell: how the 41.9K lbs splits
41.9K lbs across all reported pathways
- Air Releases 41.9K lbs 100.0%
Prairie Ethanol LLC (dba Poet Biorefining) Mitchell's 41.9K lbs Form-R total is AIR - air releases is 100.0% of the bar. Off-site transfers stay separate from air, water, and land releases. Leading chemical by pounds: Methanol.
Carcinogen-classified pounds vs other reported pounds
Same cumulative TRI total as above, split by EPA/IARC carcinogen classification on each chemical: pounds share, not chemical count. Classification is not a site health-risk score.
LIGHT volume AIR pathway CARC-MID
Prairie Ethanol LLC (dba Poet Biorefining) Mitchell is an EPA Toxics Release Inventory reporter in Mitchell, SD, in the chemicals sector. It reported 6.7K lbs of releases across 5 chemicals in 2023, and 41.9K lbs in total across its 2019-2023 reporting years. That ranks 6,527 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In South Dakota's 92 reporting TRI sites, pounds #1 is not chemical-count #1. Prairie Ethanol LLC (dba Poet Biorefining) Mitchell is pounds #35 and chemical-count #14 at 41.9K lbs. Smithfield Packaged Meats Corp - Sioux Falls leads reported pounds (21.3M lbs) at 4 chemicals (chemical-count #33). Hydro Extrusion USA LLC leads chemical count at 12 chemicals (223.2K lbs, pounds #13). Reported volume rose against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Hendrickson Trailer Suspension Systems; Trail King Industries Inc.; Trail-Eze; Dakota Mfg Co Inc. Similar-scale Chemicals peers outside South Dakota: Ingevity South Carolina LLC; Gac Chemical Corp; Messer LLC; Lsb Chemical L.L.C.. Other Poet Holding Co LLC sites in this extract: Poet Biorefining - Shell Rock LLC; Poet Biorefining - Hudson; Poet Biorefining - Fairbank LLC; Poet Biorefining-Marion LLC. Largest disclosed chemicals by pounds: Methanol; n-Hexane; Acetaldehyde; Formic acid.
Prairie Ethanol LLC (dba Poet Biorefining) Mitchell stamps LIGHT volume with a dominant AIR pathway (100.0% air releases) across 9 chemicals · 4 carcinogen-classified. Cumulative Form-R extract: 41.9K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Ingevity South Carolina LLC and Gac Chemical Corp.
Prairie Ethanol LLC (dba Poet Biorefining) Mitchell vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
42K lbs Top 25% higher than 75% of 25,986 reporting TRI facilities
Each bar is a $1M-wide band; taller bars hold more reporting TRI facilities. The dashed line and filled bar mark this facility. Hover, focus, or tap a bar for its full count, share, and position.
Source U.S. Environmental Protection Agency, Toxics Release Inventory · 2023 reporting year
Prairie Ethanol LLC (dba Poet Biorefining) Mitchell inside Davison's TRI pounds
Among the 3,917 Chemicals facilities in this database, Prairie Ethanol LLC (dba Poet Biorefining) Mitchell reports the 1,368th-largest volume (41.9K lbs). This one site accounts for 99.6% of every pound reported in Davison. Scale peers outside South Dakota include Ingevity South Carolina LLC and Gac Chemical Corp.
County-dominant here means ≥25% of Davison's reported pounds (42.1K lbs county total). Shares only print when the site reports ≥1,000 lbs.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Prairie Ethanol LLC (dba Poet Biorefining) Mitchell's total reported releases rose from 6.4 thousand lb in 2022 to 6.7 thousand lb in 2023, based on EPA TRI filings.
- Prairie Ethanol LLC (dba Poet Biorefining) Mitchell's air releases rose from 6.4 thousand lb in 2022 to 6.7 thousand lb in 2023, based on EPA TRI filings.
Prairie Ethanol LLC (dba Poet Biorefining) Mitchell Form-R facts
Compare this facility
See how Prairie Ethanol LLC (dba Poet Biorefining) Mitchell stacks up against nearby facilities and the typical reporter.
972.4× more than the comparison
4.5× more than the comparison
Comparison reflects reported pounds and chemical counts, not toxicity or health risk. Averages cover facilities reporting any release.
How does this facility release toxic chemicals?
How Prairie Ethanol LLC (dba Poet Biorefining) Mitchell releases toxic chemicals into the environment. Total: 41.9K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 29% (9.4K lbs to 6.7K lbs).
Prairie Ethanol LLC (dba Poet Biorefining) Mitchell: annual Form-R pounds
LIGHT site · AIR pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Prairie Ethanol LLC (dba Poet Biorefining) Mitchell year-over-year reported totals (decreased by 29% from 2019 to 2023). TRI figures are self-reported estimates and can swing with production, waste handling, and reporting changes, not only with controls. Lead chemical in the extract: Methanol.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 9.4K lbs | 6 |
| 2020 | 9.6K lbs | 7 |
| 2021 | 9.8K lbs | 5 |
| 2022 | 6.4K lbs | 5 |
| 2023 | 6.7K lbs | 5 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 4 of 9 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Methanol | 13.5K lbs | - |
| n-Hexane | 13.0K lbs | - |
| Acetaldehyde | 8.6K lbs | Carcinogen |
| Formic acid | 4.8K lbs | - |
| Formaldehyde | 1.3K lbs | Carcinogen |
| Acrolein | 641 lbs | Carcinogen |
| Benzene | 0 lbs | Carcinogen |
| Cyclohexane | 0 lbs | - |
| Toluene | 0 lbs | - |
Prairie Ethanol LLC (dba Poet Biorefining) Mitchell · AIR-pathway site
Nearest TRI Facilities to Prairie Ethanol LLC (dba Poet Biorefining) Mitchell
Closest other reporters in South Dakota - including Hendrickson Trailer Suspension Systems, Trail King Industries Inc., Trail-Eze, ordered by distance.
Showing 8 of 91 other reporting facilities in South Dakota.
Similar Chemicals Facilities
Other Chemicals facilities with similar total release volumes (±80%), outside South Dakota - e.g. Ingevity South Carolina LLC, Gac Chemical Corp, Messer LLC.
Compare beyond South Dakota
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Prairie Ethanol LLC (dba Poet Biorefining) Mitchell on cumulative reported pounds (41.9K lbs) and distinct chemical count (9). Release-pound peers include Ingevity South Carolina LLC, Byrne Dewitt LLC, Tepro Inc. Chemical-count peers include Viatris Pharmaceuticals LLC, Prepa - San Juan Steam Plant, Solutia Inc. Neighborhoods are forced disjoint so each axis surfaces a different set of sites.
Similar reported release pounds
Nearest out-of-state reporters (≥1,000 lbs) by absolute TRI pounds, not same-industry or same-county neighbors.
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
- Viatris Pharmaceuticals LLC Barceloneta, PR · Chemicals 9 chemicals
- Prepa - San Juan Steam Plant Puerto Nuevo, PR · Electric Utilities 9 chemicals
- Solutia Inc Springfield, MA · Plastics and Rubber 9 chemicals
- O'Connell Oil Co Merrill Road Facility Pittsfield, MA · Petroleum Bulk Terminals 9 chemicals
Other Poet Holding Co LLC Facilities
Same-parent TRI sites ranked by reported releases - including Poet Biorefining - Shell Rock LLC, Poet Biorefining - Hudson, Poet Biorefining - Fairbank LLC.
About TRI Data
Data as of 2023 reporting year. Source: U.S. Environmental Protection Agency (EPA) Toxic Release Inventory.
On this page the largest disclosed chemicals include Methanol, n-Hexane, Acetaldehyde, Formic acid; nearby reporters include Hendrickson Trailer Suspension Systems. Prairie Ethanol LLC (dba Poet Biorefining) Mitchell stamps LIGHT volume · AIR pathway · CARC-MID carcinogen-lbs on this Form-R extract. Totals are self-reported estimates under EPCRA §313, not measured stack emissions or a health-risk score.
Use and verify this record
This Prairie Ethanol LLC (dba Poet Biorefining) Mitchell TRI extract (LIGHT · AIR · CARC-MID · lead Methanol) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Prairie Ethanol LLC (dba Poet Biorefining) Mitchell totals are self-reported EPCRA §313 estimates for Mitchell, SD, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 325193 · Chemicals. 99.6% of Davison TRI pounds in this extract. Nearest ABS peer: Ingevity South Carolina LLC (Δ 6 lbs). Pounds ≠ exposure.
Prairie Ethanol LLC (dba Poet Biorefining) Mitchell stamps LIGHT volume · AIR pathway · CARC-MID · lead Methanol. PlainEnviro renders this EPA Form-R extract from its pipeline; no figure is typed in by an editor. Corrections: editorial policy.
All federal data sources used on this page
- EPA Toxics Release Inventory (TRI) Basic Data Files - annual self-reported chemical-release filings. epa.gov
- EPA TRI Program reference - how chemicals and reported releases are counted. epa.gov
- EPA Facility Registry Service - facility location and identity. epa.gov
- EPA ECHO - regulatory and compliance context. epa.gov
- EPA Envirofacts - the EPA data warehouse exposing these datasets. epa.gov