EPA TRI Facility · Chemicals
Little Sioux Corn Processors LLC
Marcus, IA
- Total releases
- 190.0K lbs
- Chemicals reported
- 13
- Carcinogens
- 6
- Primary pathway
- Air Releases
AIR Form-R mix
Little Sioux Corn Processors LLC: how the 190.0K lbs splits
190.0K lbs across all reported pathways
- Air Releases 190.0K lbs 100.0%
- Land Disposal 0 lbs <0.1%
Little Sioux Corn Processors LLC's 190.0K lbs Form-R total is AIR - air releases is 100.0% of the bar. Next segment: land disposal at <0.1%. Leading chemical by pounds: Formic acid.
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.
MID volume AIR pathway CARC-MID
Little Sioux Corn Processors LLC is an EPA Toxics Release Inventory reporter in Marcus, IA, in the chemicals sector. It reported 45.0K lbs of releases across 12 chemicals in 2023, and 190.0K lbs in total across its 2019-2023 reporting years. That ranks 3,338 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Iowa's 460 reporting TRI sites, pounds #1 is not chemical-count #1. Little Sioux Corn Processors LLC is pounds #86 and chemical-count #25 at 190.0K lbs. Climax Molybdenum Co leads reported pounds (16.4M lbs) at 5 chemicals (chemical-count #117). Helena Industries LLC leads chemical count at 32 chemicals (9.4K lbs, pounds #247). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Diamond Vogel Inc.; Wells Enterprises Inc North Ice Cream Plant; Dfa Dairy Brands Fluid LLC DBA Kemps Le Mars; Wells Enterprises Inc South Ice Cream Plant. Similar-scale Chemicals peers outside Iowa: Multi-Chem Group Sonora Tx Facility; Macdermid Inc; Metton America Inc; Polypeptide Laboratories Inc.. Largest disclosed chemicals by pounds: Formic acid; Acrolein; n-Hexane; Acetaldehyde.
Little Sioux Corn Processors LLC stamps MID volume with a dominant AIR pathway (100.0% air releases) across 13 chemicals · 6 carcinogen-classified. Cumulative Form-R extract: 190.0K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Multi-Chem Group Sonora Tx Facility and Macdermid Inc.
Little Sioux Corn Processors LLC vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
190K lbs Top 13% higher than 87% 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
Little Sioux Corn Processors LLC inside Cherokee's TRI pounds
Among the 3,917 Chemicals facilities in this database, Little Sioux Corn Processors LLC reports the 649th-largest volume, placing it in the top 16.6% of its sector. This one site accounts for 100% of every pound reported in Cherokee. Scale peers outside Iowa include Multi-Chem Group Sonora Tx Facility and Macdermid Inc.
County-dominant here means ≥25% of Cherokee's reported pounds (190.0K lbs county total). Shares only print when the site reports ≥1,000 lbs.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Little Sioux Corn Processors LLC's total reported releases fell from 73.7 thousand lb in 2022 to 45.0 thousand lb in 2023, based on EPA TRI filings.
- Little Sioux Corn Processors LLC's air releases fell from 73.7 thousand lb in 2022 to 45.0 thousand lb in 2023, based on EPA TRI filings.
- Little Sioux Corn Processors LLC's chemicals reported fell from 13 in 2022 to 12 in 2023, based on EPA TRI filings.
Little Sioux Corn Processors LLC Form-R facts
Compare this facility
See how Little Sioux Corn Processors LLC stacks up against nearby facilities and the typical reporter.
6.5× more than the comparison
38% less 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 Little Sioux Corn Processors LLC releases toxic chemicals into the environment. Total: 190.0K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases increased by 114% (21.1K lbs to 45.0K lbs).
Little Sioux Corn Processors LLC: annual Form-R pounds
MID site · AIR pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Little Sioux Corn Processors LLC year-over-year reported totals (increased by 114% 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: Formic acid.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 21.1K lbs | 7 |
| 2020 | 22.9K lbs | 7 |
| 2021 | 27.4K lbs | 7 |
| 2022 | 73.7K lbs | 13 |
| 2023 | 45.0K lbs | 12 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 6 of 13 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Formic acid | 78.6K lbs | - |
| Acrolein | 35.4K lbs | Carcinogen |
| n-Hexane | 32.2K lbs | - |
| Acetaldehyde | 22.4K lbs | Carcinogen |
| Methanol | 15.4K lbs | - |
| Formaldehyde | 5.8K lbs | Carcinogen |
| Toluene | 112 lbs | - |
| Zinc (fume or dust) | 100 lbs | - |
| Ethylbenzene | 88 lbs | Carcinogen |
| Lead | 3 lbs | Carcinogen |
| Mercury | 2 lbs | - |
| Benzene | 0 lbs | Carcinogen |
| Ethylene glycol | 0 lbs | - |
Little Sioux Corn Processors LLC · AIR-pathway site
Nearest TRI Facilities to Little Sioux Corn Processors LLC
Closest other reporters in Iowa - including Diamond Vogel Inc., Wells Enterprises Inc North Ice Cream Plant, Dfa Dairy Brands Fluid LLC DBA Kemps Le Mars, ordered by distance.
Showing 8 of 459 other reporting facilities in Iowa.
Similar Chemicals Facilities
Other Chemicals facilities with similar total release volumes (±80%), outside Iowa - e.g. Multi-Chem Group Sonora Tx Facility, Macdermid Inc, Metton America Inc.
Compare beyond Iowa
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Little Sioux Corn Processors LLC on cumulative reported pounds (190.0K lbs) and distinct chemical count (13). Release-pound peers include Ecological Tanks Inc, Owens Corning Insulating Systems LLC - Lakeland, Unimetal Surface Finishing LLC. Chemical-count peers include Puerto Rico Energy LLC - Guaynabo 2 Terminal, Global Companies LLC, Shell Providence Terminal. 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.
- Ecological Tanks Inc Downsville, LA · Plastics and Rubber 190.1K lbs reported
- Owens Corning Insulating Systems LLC - Lakeland Lakeland, FL · Nonmetallic Mineral Product 190.1K lbs reported
- Unimetal Surface Finishing LLC Naugatuck, CT · Fabricated Metals 190.0K lbs reported
- Air System Components LP Ponca City, OK · Fabricated Metals 190.2K lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
- Puerto Rico Energy LLC - Guaynabo 2 Terminal Guaynabo, PR · Petroleum Bulk Terminals 13 chemicals
- Global Companies LLC Revere, MA · Petroleum Bulk Terminals 13 chemicals
- Shell Providence Terminal Providence, RI · Petroleum Bulk Terminals 13 chemicals
- Sig Sauer Inc Newington, NH · Fabricated Metals 13 chemicals
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 Formic acid, Acrolein, n-Hexane, Acetaldehyde; nearby reporters include Diamond Vogel Inc.. Little Sioux Corn Processors LLC stamps MID 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 Little Sioux Corn Processors LLC TRI extract (MID · AIR · CARC-MID · lead Formic acid) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Little Sioux Corn Processors LLC totals are self-reported EPCRA §313 estimates for Marcus, IA, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 325193 · Chemicals. 100% of Cherokee TRI pounds in this extract. Nearest ABS peer: Ecological Tanks Inc (Δ 12 lbs). Pounds ≠ exposure.
Little Sioux Corn Processors LLC stamps MID volume · AIR pathway · CARC-MID · lead Formic acid. 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