EPA TRI Facility · Nonmetallic Mineral Product
Washington Mills Hennepin Inc
Hennepin, IL · Parent: Washington Mills Electro Minerals Corp
- Total releases
- 137.3K lbs
- Chemicals reported
- 3
- Latest report
- 2023
- Primary pathway
- Air Releases
AIR Form-R mix
Washington Mills Hennepin Inc: how the 137.3K lbs splits
137.3K lbs across all reported pathways
- Air Releases 137.3K lbs 100.0%
- Land Disposal 0 lbs <0.1%
Washington Mills Hennepin Inc's 137.3K 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: Carbonyl sulfide.
MID volume AIR pathway CLEAN
Washington Mills Hennepin Inc is an EPA Toxics Release Inventory reporter in Hennepin, IL, in the nonmetallic mineral product sector. It reported 27.5K lbs of releases across 3 chemicals in 2023, and 137.3K lbs in total across its 2019-2023 reporting years. That ranks 3,928 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Illinois's 951 reporting TRI sites, pounds #1 is not chemical-count #1. Washington Mills Hennepin Inc is pounds #160 and chemical-count #384 at 137.3K lbs. Prairie State Generating Co leads reported pounds (37.9M lbs) at 31 chemicals (chemical-count #8). Veolia N.a. Inc. leads chemical count at 141 chemicals (1.9M lbs, pounds #34). Reported volume rose against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Marquis Energy LLC; Marquis Xt LLC; Hennepin Power Station; Emerald Performance Materials LLC. Similar-scale Nonmetallic Mineral Product peers outside Illinois: Ardagh Glass Inc; Gemtron Corp; Whitacre Greer Co; Cormetech Inc. Largest disclosed chemicals by pounds: Carbonyl sulfide; Hydrogen sulfide; Carbon disulfide.
Washington Mills Hennepin Inc stamps MID volume with a dominant AIR pathway (100.0% air releases) across 3 chemicals. Cumulative Form-R extract: 137.3K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Ardagh Glass Inc and Gemtron Corp.
Washington Mills Hennepin Inc vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
137K lbs Top 15% higher than 85% 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
Washington Mills Hennepin Inc: Carbonyl sulfide-led volume
Among the 3,265 Nonmetallic Mineral Product facilities in this database, Washington Mills Hennepin Inc reports the 157th-largest volume, placing it in the top 4.8% of its sector. Its reported volume is concentrated rather than spread: Carbonyl sulfide alone is 68.3% of the total. Scale peers outside Illinois include Ardagh Glass Inc and Gemtron Corp.
Concentrated means ≥60% of Washington Mills Hennepin Inc's pounds in one chemical - here Carbonyl sulfide at 68.3%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Washington Mills Hennepin Inc's total reported releases rose from 26.7 thousand lb in 2022 to 27.5 thousand lb in 2023, based on EPA TRI filings.
- Washington Mills Hennepin Inc's air releases rose from 26.7 thousand lb in 2022 to 27.5 thousand lb in 2023, based on EPA TRI filings.
Washington Mills Hennepin Inc Form-R facts
Compare this facility
See how Washington Mills Hennepin Inc stacks up against nearby facilities and the typical reporter.
44% less than the comparison
79% 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 Washington Mills Hennepin Inc releases toxic chemicals into the environment. Total: 137.3K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 7% (29.6K lbs to 27.5K lbs).
Washington Mills Hennepin Inc: 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 Washington Mills Hennepin Inc year-over-year reported totals (decreased by 7% 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: Carbonyl sulfide.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 29.6K lbs | 3 |
| 2020 | 24.3K lbs | 3 |
| 2021 | 29.1K lbs | 3 |
| 2022 | 26.7K lbs | 3 |
| 2023 | 27.5K lbs | 3 |
Chemical Releases
Aggregated across all reporting years (2019–2023). Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Carbonyl sulfide | 93.8K lbs | - |
| Hydrogen sulfide | 31.6K lbs | - |
| Carbon disulfide | 11.9K lbs | - |
Washington Mills Hennepin Inc · AIR-pathway site
Nearest TRI Facilities to Washington Mills Hennepin Inc
Closest other reporters in Illinois - including Marquis Energy LLC, Marquis Xt LLC, Hennepin Power Station, ordered by distance.
Showing 8 of 950 other reporting facilities in Illinois.
Similar Nonmetallic Mineral Product Facilities
Other Nonmetallic Mineral Product facilities with similar total release volumes (±80%), outside Illinois - e.g. Ardagh Glass Inc, Gemtron Corp, Whitacre Greer Co.
Compare beyond Illinois
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Washington Mills Hennepin Inc on cumulative reported pounds (137.3K lbs) and distinct chemical count (3). Release-pound peers include Aviara Boats LLC, Apex Tool Group LLC Sumter Sc Operation, Isp Lima LLC. Chemical-count peers include Industrial C&s of Pr LLC Arecibo Plant, Island Litho Corp., Fenwal International 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).
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 Carbonyl sulfide, Hydrogen sulfide, Carbon disulfide; nearby reporters include Marquis Energy LLC. Washington Mills Hennepin Inc stamps MID volume · AIR pathway · CLEAN 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 Washington Mills Hennepin Inc TRI extract (MID · AIR · CLEAN · lead Carbonyl sulfide) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Washington Mills Hennepin Inc totals are self-reported EPCRA §313 estimates for Hennepin, IL, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 327910 · Nonmetallic Mineral Product. 20.0% of Putnam TRI pounds in this extract. Nearest ABS peer: Aviara Boats LLC (Δ 15 lbs). Pounds ≠ exposure.
Washington Mills Hennepin Inc stamps MID volume · AIR pathway · CLEAN · lead Carbonyl sulfide. 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