Nickel
Nickel releases at Nnsa Y-12 National Security Complex rose from 29k lb to 52k lb between 2023 and 2024.
TRI facility · TRI 2024 reporting year
Nnsa Y-12 National Security Complex
Total reported releases 150k lb rose meaningfully year over year (+35%). Total releases concentrations are up 15% since 2010.
BEAR CREEK RD, Oak Ridge, Tennessee · 332999 · Fabricated Metals · operated by US Department Of Energy
Anomaly engine
Notable Signals
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 Nnsa Y-12 National Security Complex rose from 20k lb to 35k lb between 2023 and 2024.
Lead And Lead Compounds
Lead And Lead Compounds at Nnsa Y-12 National Security Complex have more than halved since 2010 (through 2024).
Chemicals reported · most recent year
What This Facility Releases
Nickel
Nickel concentrations have more than doubled since 2012.
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 2021.
Lead And Lead Compounds
Lead And Lead Compounds concentrations have more than halved since 2010.
Manganese
Manganese concentrations have more than doubled since 2012.
Copper
Copper concentrations have more than doubled since 2010.
Cobalt
Cobalt concentrations have more than doubled since 2019.
Equity context · ACS 2018-2022 block-group demographics
Who Lives Next To This Facility
Within 3 miles of this facility (10 Census block groups, population-weighted demographics): a population of 13,370. Why we surface this →
43.2%
Low-income
22.8%
People of color
6.8%
Under age 5
14.3%
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.