EPA TRI Facility · Leather
D R Diedrich & Co Ltd
Milwaukee, WI
- Total releases
- 74.1K lbs
- Chemicals reported
- 3
- Latest report
- 2023
- Primary pathway
- Off-site Transfers
OFFSITE Form-R mix
D R Diedrich & Co Ltd: how the 74.1K lbs splits
74.1K lbs across all reported pathways
- Off-site Transfers 70.8K lbs 95.5%
- Air Releases 3.3K lbs 4.5%
D R Diedrich & Co Ltd's 74.1K lbs Form-R total is OFFSITE - off-site transfers is 95.5% of the bar. Next segment: air releases at 4.5%. Leading chemical by pounds: Chromium compounds (except for chromite ore mined in the Transvaal Region).
LIGHT volume OFFSITE pathway CLEAN
D R Diedrich & Co Ltd is an EPA Toxics Release Inventory reporter in Milwaukee, WI, in the leather sector. It reported 15.3K lbs of releases across 3 chemicals in 2023, and 74.1K lbs in total across its 2019-2023 reporting years. That ranks 5,239 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Wisconsin's 836 reporting TRI sites, pounds #1 is not chemical-count #1. D R Diedrich & Co Ltd is pounds #199 and chemical-count #343 at 74.1K lbs. Mullins Cheese Inc leads reported pounds (11.2M lbs) at 3 chemicals (chemical-count #319). Ppg Industries Inc-Oak Creek leads chemical count at 32 chemicals (2.2M lbs, pounds #16). Reported volume rose against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Thiele Tanning; Rexnord Industries Llc-Canal Street; Charter Wire LLC; Molson Coors USA Llc-Milwaukee Brewery. Similar-scale Leather peers outside Wisconsin: Tasman Leather Group LLC; Twin City Tanning Co LLP; Vibram Corp; Tennessee Tanning Co. Largest disclosed chemicals by pounds: Chromium compounds (except for chromite ore mined in the Transvaal Region); Ammonia; Hydrogen sulfide.
D R Diedrich & Co Ltd stamps LIGHT volume with a dominant OFFSITE pathway (95.5% off-site transfers) across 3 chemicals. Cumulative Form-R extract: 74.1K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Tasman Leather Group LLC and Twin City Tanning Co LLP.
D R Diedrich & Co Ltd vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
74K lbs Top 20% higher than 80% 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
D R Diedrich & Co Ltd: Chromium compounds (except for chromite ore mined in the Transvaal Region)-led volume
Among the 22 Leather facilities in this database, D R Diedrich & Co Ltd reports the 9th-largest volume (74.1K lbs). Its reported volume is concentrated rather than spread: Chromium compounds (except for chromite ore mined in the Transvaal Region) alone is 95.5% of the total. Scale peers outside Wisconsin include Tasman Leather Group LLC and Twin City Tanning Co LLP.
Concentrated means ≥60% of D R Diedrich & Co Ltd's pounds in one chemical - here Chromium compounds (except for chromite ore mined in the Transvaal Region) at 95.5%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- D R Diedrich & Co Ltd's total reported releases rose from 9.8 thousand lb in 2022 to 15.3 thousand lb in 2023, based on EPA TRI filings.
- D R Diedrich & Co Ltd's off-site transfers rose from 9.5 thousand lb in 2022 to 15.0 thousand lb in 2023, based on EPA TRI filings.
- D R Diedrich & Co Ltd's air releases rose from 300 lb in 2022 to 350 lb in 2023, based on EPA TRI filings.
D R Diedrich & Co Ltd Form-R facts
Compare this facility
See how D R Diedrich & Co Ltd stacks up against nearby facilities and the typical reporter.
66% more than the comparison
About the same as 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 D R Diedrich & Co Ltd releases toxic chemicals into the environment. Total: 74.1K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 10% (17.0K lbs to 15.3K lbs).
D R Diedrich & Co Ltd: annual Form-R pounds
LIGHT site · OFFSITE pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows D R Diedrich & Co Ltd year-over-year reported totals (decreased by 10% 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: Chromium compounds (except for chromite ore mined in the Transvaal Region).
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 17.0K lbs | 3 |
| 2020 | 15.7K lbs | 3 |
| 2021 | 16.3K lbs | 3 |
| 2022 | 9.8K lbs | 3 |
| 2023 | 15.3K lbs | 3 |
Chemical Releases
Aggregated across all reporting years (2019–2023). Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 70.8K lbs | - |
| Ammonia | 2.5K lbs | - |
| Hydrogen sulfide | 855 lbs | - |
D R Diedrich & Co Ltd · OFFSITE-pathway site
Nearest TRI Facilities to D R Diedrich & Co Ltd
Closest other reporters in Wisconsin - including Thiele Tanning, Rexnord Industries Llc-Canal Street, Charter Wire LLC, ordered by distance.
Showing 8 of 835 other reporting facilities in Wisconsin.
Similar Leather Facilities
Other Leather facilities with similar total release volumes (±80%), outside Wisconsin - e.g. Tasman Leather Group LLC, Twin City Tanning Co LLP, Vibram Corp.
Compare beyond Wisconsin
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest D R Diedrich & Co Ltd on cumulative reported pounds (74.1K lbs) and distinct chemical count (3). Release-pound peers include Coastline Metal Finishing, Acs Technical Products Inc., Trivium Aluminum Packaging Corp. USA. 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.
- Coastline Metal Finishing Garden Grove, CA · Fabricated Metals 74.1K lbs reported
- Acs Technical Products Inc. Griffith, IN · Chemicals 74.1K lbs reported
- Trivium Aluminum Packaging Corp. USA Youngstown, OH · Fabricated Metals 74.2K lbs reported
- Hexion Luling Facility Luling, LA · Chemicals 74.0K lbs reported
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 Chromium compounds (except for chromite ore mined in the Transvaal Region), Ammonia, Hydrogen sulfide; nearby reporters include Thiele Tanning. D R Diedrich & Co Ltd stamps LIGHT volume · OFFSITE 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 D R Diedrich & Co Ltd TRI extract (LIGHT · OFFSITE · CLEAN · lead Chromium compounds (except for chromite ore mined in the Transvaal Region)) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
D R Diedrich & Co Ltd totals are self-reported EPCRA §313 estimates for Milwaukee, WI, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 316110 · Leather. 0.8% of Milwaukee TRI pounds in this extract. Nearest ABS peer: Coastline Metal Finishing (Δ 12 lbs). Pounds ≠ exposure.
D R Diedrich & Co Ltd stamps LIGHT volume · OFFSITE pathway · CLEAN · lead Chromium compounds (except for chromite ore mined in the Transvaal Region). 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