Manganese And Manganese Compounds
Manganese And Manganese Compounds at Uss Gary Works have more than doubled since 2010 (through 2024).
TRI facility · TRI 2024 reporting year
Uss Gary Works
Total reported releases 19.2M lb rose sharply year over year (+47%). Total releases concentrations are roughly unchanged from 2010.
1 N BROADWAY, Gary, Indiana · 331110 · Primary Metals · operated by US Steel CORP
Anomaly engine
Notable Signals
Vanadium compounds
Vanadium compounds releases at Uss Gary Works rose from 317k lb to 587k lb between 2023 and 2024.
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) releases at Uss Gary Works rose from 509k lb to 859k lb between 2023 and 2024.
Manganese And Manganese Compounds
Manganese And Manganese Compounds releases at Uss Gary Works rose from 6.9M lb to 11.1M lb between 2023 and 2024.
Showing the 4 most editorially weighted signals out of 5. Lower-severity signals fold into the chemical breakdown and history charts below.
Chemicals reported · most recent year
What This Facility Releases
Manganese And Manganese Compounds
Manganese And Manganese Compounds concentrations have more than doubled since 2010.
Zinc compounds
Zinc compounds concentrations are roughly unchanged from 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 have more than doubled since 2010.
Vanadium compounds
Vanadium compounds concentrations have more than doubled since 2010.
Lead And Lead Compounds
Lead And Lead Compounds concentrations have fallen 15% since 2010.
Ammonia
Ammonia concentrations have fallen 45% since 2010.
Nitrate compounds (water dissociable; reportable only when in aqueous solution)
Nitrate compounds (water dissociable; reportable only when in aqueous solution) concentrations have more than halved since 2010.
Copper And Copper Compounds
Copper And Copper Compounds concentrations are up 34% since 2010.
Equity context · ACS 2018-2022 block-group demographics
Who Lives Next To This Facility
Within 3 miles of this facility (43 Census block groups, population-weighted demographics): a population of 28,082. Why we surface this →
59.5%
Low-income
97.4%
People of color
5.9%
Under age 5
20.7%
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.