EPA TRI Facility · Electric Utilities
Oak Creek Site
Oak Creek, WI · Parent: Wec Energy Group
- Total releases
- 2.0M lbs
- Chemicals reported
- 19
- Carcinogens
- 5
- Primary pathway
- Off-site Transfers
MIXED Form-R mix
Oak Creek Site: how the 2.0M lbs splits
2.0M lbs across all reported pathways
- Off-site Transfers 1.3M lbs 65.4%
- Air Releases 556.0K lbs 27.7%
- Land Disposal 126.0K lbs 6.3%
- Water Discharges 11.7K lbs 0.6%
Oak Creek Site's 2.0M lbs Form-R total is MIXED - off-site transfers is 65.4% of the bar. Next segment: air releases at 27.7%. Leading chemical by pounds: Barium compounds (except for barium sulfate (CAS No. 7727-43-7)).
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.
HEAVY volume MIXED pathway CARC-LEAN
Oak Creek Site is an EPA Toxics Release Inventory reporter in Oak Creek, WI, in the electric utilities sector. It reported 591.9K lbs of releases across 19 chemicals in 2023, and 2.0M lbs in total across its 2019-2023 reporting years. That ranks 860 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. Oak Creek Site is pounds #19 and chemical-count #16 at 2.0M 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: Mid-America Steel Drum Co. in C; Ppg Industries Inc-Oak Creek; Cooper Power Systems LLC; Appleton Grp LLC. Similar-scale Electric Utilities peers outside Wisconsin: Sigeco a B Brown Generating Station; Calaveras Power Station; Winyah Generating Station; Dolet Hills Power Station. Other Wec Energy Group sites in this extract: Weston Power Plant; Whitewater Generating Station; Presque Isle Power Plant. Largest disclosed chemicals by pounds: Barium compounds (except for barium sulfate (CAS No. 7727-43-7)); Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); Manganese compounds; Hydrogen fluoride.
Oak Creek Site is a HEAVY · MIXED-pathway Form-R site in Oak Creek, WI: 2.0M lbs across 19 chemicals (5 carcinogen-classified, CARC-LEAN). No single media clears 70% of the bar (lead segment off-site transfers at 65.4%). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Sigeco a B Brown Generating Station and Calaveras Power Station.
Oak Creek Site vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
2.0M lbs Top 3% higher than 97% 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
Oak Creek Site in the Electric Utilities sector extract
Among the 513 Electric Utilities facilities in this database, Oak Creek Site reports the 148th-largest volume (2.0M lbs). Scale peers outside Wisconsin include Sigeco a B Brown Generating Station and Calaveras Power Station.
Sector rank uses reported TRI pounds only. Share callouts need ≥1,000 lbs so tiny totals cannot mint a false signal.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Oak Creek Site's total reported releases rose from 257.8 thousand lb in 2022 to 591.9 thousand lb in 2023, based on EPA TRI filings.
- Oak Creek Site's off-site transfers rose from 127.9 thousand lb in 2022 to 457.0 thousand lb in 2023, based on EPA TRI filings.
- Oak Creek Site's land releases fell from 32.5 thousand lb in 2022 to 29.1 thousand lb in 2023, based on EPA TRI filings.
- Oak Creek Site's air releases rose from 95.2 thousand lb in 2022 to 103.6 thousand lb in 2023, based on EPA TRI filings.
Oak Creek Site Form-R facts
Compare this facility
See how Oak Creek Site stacks up against nearby facilities and the typical reporter.
19.9× more than the comparison
19.0× 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 Oak Creek Site releases toxic chemicals into the environment. Total: 2.0M lbs.
Emissions Trend Summary
From 2019 to 2023, total releases increased by 95% (303.5K lbs to 591.9K lbs).
Oak Creek Site: annual Form-R pounds
HEAVY site · MIXED pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021
- 2022 0
- 2023
What this shows Oak Creek Site year-over-year reported totals (increased by 95% 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: Barium compounds (except for barium sulfate (CAS No. 7727-43-7)).
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 303.5K lbs | 19 |
| 2020 | 180.5K lbs | 19 |
| 2021 | 670.7K lbs | 19 |
| 2022 | 257.8K lbs | 19 |
| 2023 | 591.9K lbs | 19 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 5 of 19 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 1.2M lbs | - |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 321.5K lbs | - |
| Manganese compounds | 96.5K lbs | - |
| Hydrogen fluoride | 93.3K lbs | - |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 79.2K lbs | - |
| Vanadium compounds | 53.9K lbs | - |
| Ammonia | 49.2K lbs | - |
| Zinc compounds | 42.4K lbs | - |
| Copper compounds | 36.8K lbs | - |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 36.7K lbs | - |
| Nickel compounds | 17.5K lbs | Carcinogen |
| Lead compounds | 8.8K lbs | - |
| Arsenic compounds | 6.2K lbs | Carcinogen |
| Cobalt compounds | 4.9K lbs | Carcinogen |
| Mercury compounds | 3.0K lbs | - |
| Phenanthrene | 124 lbs | - |
| Anthracene | 86 lbs | - |
| Naphthalene | 79 lbs | Carcinogen |
| Dioxin and dioxin-like compounds | 0 lbs | Carcinogen |
Oak Creek Site in Milwaukee
Nearest TRI Facilities to Oak Creek Site
Closest other reporters in Wisconsin - including Mid-America Steel Drum Co. in C, Ppg Industries Inc-Oak Creek, Cooper Power Systems LLC, ordered by distance.
Showing 8 of 835 other reporting facilities in Wisconsin.
Similar Electric Utilities Facilities
Other Electric Utilities facilities with similar total release volumes (±80%), outside Wisconsin - e.g. Sigeco a B Brown Generating Station, Calaveras Power Station, Winyah Generating Station.
Compare beyond Wisconsin
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Oak Creek Site on cumulative reported pounds (2.0M lbs) and distinct chemical count (19). Release-pound peers include US Army Garrison-Redstone, Aluminum Recovery Technology Inc, Sigeco a B Brown Generating Station. Chemical-count peers include Allnex USA Inc. Wallingford Ct Site, Johnson Matthey, Colver Green Energy. 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.
- US Army Garrison-Redstone Huntsville, AL · Other 2.0M lbs reported
- Aluminum Recovery Technology Inc Kendallville, IN · Primary Metals 2.0M lbs reported
- Sigeco a B Brown Generating Station Mount Vernon, IN · Electric Utilities 2.0M lbs reported
- Alton Steel Inc Alton, IL · Primary Metals 2.0M lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
Other Wec Energy Group Facilities
Same-parent TRI sites ranked by reported releases - including Weston Power Plant, Whitewater Generating Station, Presque Isle Power Plant.
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 Barium compounds (except for barium sulfate (CAS No. 7727-43-7)), Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size), Manganese compounds, Hydrogen fluoride; nearby reporters include Mid-America Steel Drum Co. in C. Oak Creek Site stamps HEAVY volume · MIXED pathway · CARC-LEAN 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 Oak Creek Site TRI extract (HEAVY · MIXED · CARC-LEAN · lead Barium compounds (except for barium sulfate (CAS No. 7727-43-7))) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Oak Creek Site totals are self-reported EPCRA §313 estimates for Oak Creek, WI, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 221112 · Electric Utilities. 20.4% of Milwaukee TRI pounds in this extract. Nearest ABS peer: US Army Garrison-Redstone (Δ 905 lbs). Pounds ≠ exposure.
Oak Creek Site stamps HEAVY · MIXED pathway (off-site transfers leads at 65.4%). Pipeline-rendered EPA Form-R only - no editor-typed pounds. 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