Waupaca Foundry - Plant 4
Total reported releases 113k lb fell meaningfully year over year (-18%). Total releases concentrations have fallen 26% since 2010.
805 OGDEN ST, Marinette, Wisconsin · 331511 · Primary Metals · operated by Monomoy Capital Partners LLC
Notable Signals
No notable signals at this facility for the current reporting year. See chemicals and equity context below for the full picture.
What This Facility Releases
Manganese And Manganese Compounds
Manganese And Manganese Compounds concentrations are roughly unchanged from 2010.
Benzene
Benzene concentrations are up 12% since 2010.
Toluene
Toluene concentrations have fallen 18% since 2011.
Copper And Copper Compounds
Copper And Copper Compounds concentrations are roughly unchanged from 2010.
Phenol
Phenol concentrations have more than halved since 2010.
Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region)
Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) concentrations are up 71% since 2010.
Nickel
Nickel concentrations have more than halved since 2010.
Barium And Barium Compounds
Barium And Barium Compounds concentrations have more than halved since 2010.
Who Lives Next To This Facility
Within 3 miles of this facility (11 Census block groups, population-weighted demographics): a population of 10,517. Why we surface this →
Low-income
People of color
Under age 5
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.