Manganese
Manganese releases at Webco Industries INC. Oil City Tube Div fell from 24k lb to 746 lb (97% lower) between 2023 and 2024.
Total reported releases 918 lb more than halved year over year (-97%). Total releases concentrations have more than doubled since 2010.
363 SENECA STREET, Oil City, Pennsylvania · 331210 · Primary Metals · operated by Webco Industries INC
Manganese releases at Webco Industries INC. Oil City Tube Div fell from 24k lb to 746 lb (97% lower) between 2023 and 2024.
Manganese concentrations have more than doubled since 2010.
Copper concentrations have more than halved since 2019.
Chromium concentrations have more than doubled since 2018.
Nickel concentrations have more than doubled since 2010.
Within 3 miles of this facility (15 Census block groups, population-weighted demographics): a population of 13,506. 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.