Eog Resources INC. T. R. Marshall Hub
Total reported releases 37k lb held roughly steady year over year (-1%). Total releases concentrations are up 47% since 2022.
648 CR 294N, Gonzales, Texas · 211130 · Natural Gas Processing · operated by Eog Resources INC
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
Formaldehyde
Formaldehyde concentrations are up 11% since 2022.
Toluene
Toluene concentrations have more than doubled since 2022.
Cyclohexane
Cyclohexane concentrations have more than doubled since 2022.
m-Xylene
m-Xylene concentrations are roughly unchanged from 2022.
n-Hexane
n-Hexane concentrations are roughly unchanged from 2022.
Methanol
Methanol concentrations are roughly unchanged from 2022.
Benzene
Benzene concentrations are roughly unchanged from 2022.
p-Xylene
p-Xylene concentrations are up 68% since 2022.
Who Lives Next To This Facility
DeWitt County County, TX (no Census block groups within 3 miles — falling back to containing county): a population of 19,826. 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.