Barium compounds (except for barium sulfate (CAS No. 7727-43-7))
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) at Northampton Generating Plant have more than doubled since 2010 (through 2024).
TRI facility · TRI 2024 reporting year
Northampton Generating Plant
Total reported releases 736k lb held roughly steady year over year (+0%). Total releases concentrations have more than halved since 2010.
1 HORWITH DR, Northampton, Pennsylvania · 221112 · Electric Utilities · operated by Olympus Power LLC
Anomaly engine
Notable Signals
Zinc compounds
Zinc compounds at Northampton Generating Plant have more than three-quarters since 2010 (through 2024).
Total reported releases
Total reported releases at Northampton Generating Plant have more than halved since 2010 (through 2024).
Chemicals reported · most recent year
What This Facility Releases
Zinc compounds
Zinc compounds concentrations have more than halved since 2010.
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) concentrations have fallen 19% since 2010.
Barium compounds (except for barium sulfate (CAS No. 7727-43-7))
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) concentrations have more than doubled since 2010.
Manganese
Manganese concentrations are up 28% since 2022.
Chromium compounds (except for chromite ore mined in the Transvaal Region)
Chromium compounds (except for chromite ore mined in the Transvaal Region) concentrations have fallen 17% since 2012.
Vanadium compounds
Vanadium compounds concentrations have fallen 10% since 2010.
Copper compounds
Copper compounds concentrations have fallen 39% since 2010.
Lead compounds
Lead compounds concentrations have fallen 47% since 2010.
Equity context · ACS 2018-2022 block-group demographics
Who Lives Next To This Facility
Within 3 miles of this facility (25 Census block groups, population-weighted demographics): a population of 37,469. Why we surface this →
22.3%
Low-income
20.3%
People of color
4.8%
Under age 5
18.6%
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.