Humphrey No 7
Total reported releases 392k lb held roughly steady year over year (-3%). Total releases concentrations are roughly unchanged from 2013.
849 LAZZELLE UNION RD, Maidsville, West Virginia · 212114 · Coal Mining · operated by LP Mineral 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
Barium compounds (except for barium sulfate (CAS No. 7727-43-7))
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) concentrations are roughly unchanged from 2013.
Manganese compounds
Manganese compounds concentrations have fallen 42% since 2013.
Arsenic compounds
Arsenic compounds concentrations have more than doubled since 2013.
Vanadium compounds
Vanadium compounds concentrations are up 20% since 2013.
Zinc compounds
Zinc compounds concentrations are up 70% since 2013.
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 11% since 2013.
Nickel compounds
Nickel compounds concentrations are up 12% since 2013.
Copper compounds
Copper compounds concentrations are up 20% since 2013.
Who Lives Next To This Facility
Within 3 miles of this facility (40 Census block groups, population-weighted demographics): a population of 40,950. 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.