Zinc compounds
Zinc compounds releases at Duke Energy Progress LLC - Roxboro Steam Electric Plant rose from 101k lb to 201k lb between 2023 and 2024.
TRI facility · TRI 2024 reporting year
Duke Energy Progress LLC - Roxboro Steam Electric Plant
Total reported releases 2.4M lb more than doubled year over year (+98%). Total releases concentrations have fallen 31% since 2010.
1700 DUNNAWAY RD, Semora, North Carolina · 221112 · Electric Utilities · operated by Duke Energy CORP
Anomaly engine
Notable Signals
Vanadium compounds
Vanadium compounds releases at Duke Energy Progress LLC - Roxboro Steam Electric Plant rose from 170k lb to 330k lb between 2023 and 2024.
Barium compounds (except for barium sulfate (CAS No. 7727-43-7))
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) releases at Duke Energy Progress LLC - Roxboro Steam Electric Plant rose from 442k lb to 853k lb between 2023 and 2024.
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) at Duke Energy Progress LLC - Roxboro Steam Electric Plant have more than halved since 2010 (through 2024).
Chemicals reported · most recent year
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 have fallen 24% since 2010.
Vanadium compounds
Vanadium compounds concentrations have fallen 25% since 2010.
Zinc compounds
Zinc compounds concentrations have fallen 24% since 2010.
Manganese compounds
Manganese compounds concentrations have fallen 45% since 2010.
Copper compounds
Copper compounds concentrations have fallen 30% since 2010.
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 19% since 2010.
Nickel compounds
Nickel compounds concentrations have fallen 31% since 2010.
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) concentrations have more than halved since 2010.
Equity context · ACS 2018-2022 block-group demographics
Who Lives Next To This Facility
Within 3 miles of this facility (1 Census block groups, population-weighted demographics): a population of 1,458. Why we surface this →
30.9%
Low-income
24.0%
People of color
3.0%
Under age 5
23.7%
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.