Total reported releases 119k lb rose meaningfully year over year (+29%). Total releases concentrations have more than halved since 2010.
15551 HIGHWAY 23, Belle Chasse, Louisiana · 324110 · Petroleum · operated by Harvest Midstream Co
Nitrate compounds (water dissociable; reportable only when in aqueous solution) releases at Harvest Louisiana Terminals LLC - Alliance Terminal rose from 18k lb to 42k lb (2.3×) between 2023 and 2024.
Ethylene at Harvest Louisiana Terminals LLC - Alliance Terminal have more than three-quarters since 2010 (through 2024).
Total reported releases at Harvest Louisiana Terminals LLC - Alliance Terminal have more than three-quarters since 2010 (through 2024).
Nitrate compounds (water dissociable; reportable only when in aqueous solution) concentrations have fallen 35% since 2011.
Toluene concentrations are up 14% since 2010.
Benzene concentrations have fallen 43% since 2010.
Xylene (mixed isomers) concentrations have more than halved since 2010.
n-Hexane concentrations have more than halved since 2010.
Ethylbenzene concentrations are roughly unchanged from 2010.
Cyclohexane concentrations are up 21% since 2010.
Phenol concentrations have fallen 39% since 2010.
Plaquemines Parish County, LA (no Census block groups within 3 miles — falling back to containing county): a population of 23,305. Why we surface this →
Low-income
People of color
Under age 5
Over age 64
Source: Census ACS 2018-2022 (5-year), county-level fallback. 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.