Total reported releases 1.3M lb fell sharply year over year (-43%). Total releases concentrations have more than halved since 2010.
4377 HECKSCHER DR, Jacksonville, Florida · 221112 · Electric Utilities · operated by Jea
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) releases at Northside Generating Station fell from 30k lb to 9k lb (72% lower) between 2023 and 2024.
Vanadium compounds releases at Northside Generating Station fell from 1.4M lb to 546k lb (62% lower) between 2023 and 2024.
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) at Northside Generating Station have more than three-quarters since 2010 (through 2024).
Total reported releases at Northside Generating Station have more than three-quarters since 2010 (through 2024).
Showing the 4 most editorially weighted signals out of 5. Lower-severity signals fold into the chemical breakdown and history charts below.
Vanadium compounds concentrations have more than halved since 2010.
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) concentrations have fallen 28% since 2010.
Nickel And Nickel Compounds concentrations have more than halved since 2010.
Ammonia concentrations are up 11% since 2010.
Manganese compounds concentrations have more than halved since 2010.
Barium And Barium 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) concentrations have more than halved since 2010.
Lead And Lead Compounds concentrations have more than halved since 2010.
Within 3 miles of this facility (5 Census block groups, population-weighted demographics): a population of 7,643. 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.