Copper compounds
Copper compounds releases at Waupaca Foundry Plant 2/3 rose from 14k lb to 72k lb (5.0×) between 2023 and 2024.
TRI facility · TRI 2024 reporting year
Waupaca Foundry Plant 2/3
Total reported releases 825k lb fell sharply year over year (-36%). Total releases concentrations have more than halved since 2010.
1955 BRUNNER DR, Waupaca, Wisconsin · 331511 · Primary Metals · operated by Monomoy Capital Partners LLC
Anomaly engine
Notable Signals
Chromium compounds (except for chromite ore mined in the Transvaal Region)
Chromium compounds (except for chromite ore mined in the Transvaal Region) releases at Waupaca Foundry Plant 2/3 rose from 9k lb to 23k lb (2.5×) between 2023 and 2024.
0000067561
0000067561 releases at Waupaca Foundry Plant 2/3 fell from 61k lb to 0 lb (100% lower) between 2023 and 2024.
Manganese compounds
Manganese compounds at Waupaca Foundry Plant 2/3 have more than halved since 2010 (through 2024).
Showing the 4 most editorially weighted signals out of 6. Lower-severity signals fold into the chemical breakdown and history charts below.
Chemicals reported · most recent year
What This Facility Releases
Zinc compounds
Zinc compounds concentrations have more than halved since 2010.
Manganese compounds
Manganese compounds concentrations have more than halved since 2010.
Copper compounds
Copper compounds concentrations have more than doubled since 2010.
Lead And Lead Compounds
Lead And Lead Compounds concentrations have more than halved since 2010.
Benzene
Benzene concentrations are roughly unchanged from 2010.
Chromium compounds (except for chromite ore mined in the Transvaal Region)
Chromium compounds (except for chromite ore mined in the Transvaal Region) concentrations are up 75% since 2010.
Barium compounds (except for barium sulfate (CAS No. 7727-43-7))
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) concentrations have more than halved since 2010.
4,4'-Isopropylidenediphenol
4,4'-Isopropylidenediphenol volumes here are too small to anchor a multi-year trend; YoY movement is still shown above.
Equity context · ACS 2018-2022 block-group demographics
Who Lives Next To This Facility
Within 3 miles of this facility (5 Census block groups, population-weighted demographics): a population of 7,233. Why we surface this →
24.9%
Low-income
5.8%
People of color
4.1%
Under age 5
20.9%
Over age 64
Source: Census ACS 2018-2022 block-group demographics, population-weighted across the 3-mile buffer around this facility (from USEPA-clone/EJAM-open blockgroupstats). Indicator-level percentile and EJ-disparity scores are surfaced on the county page and the state page — they describe wider regional exposure burdens, not effects attributable to a single facility.
Source. EPA Toxics Release Inventory · retrieved 2026-05-07. Reporting year 2024. TRI is a federal public-domain dataset under 17 USC §105.
What this is not. TRI quantifies releases reported by the facility under EPCRA §313 — not ambient air or water concentrations measured at receptors. We do not attribute individual health outcomes to specific facilities; that exceeds what the data can support.