Benzene
Benzene releases at Pembrook Gas Plant rose from 5k lb to 16k lb (3.1×) between 2023 and 2024.
Total reported releases 193k lb rose by an order of magnitude year over year (+403%). Total releases concentrations have more than doubled since 2022.
1500 CR 135, Midkiff, Texas · 211130 · Natural Gas Processing · operated by Targa Resources CORP
Benzene releases at Pembrook Gas Plant rose from 5k lb to 16k lb (3.1×) between 2023 and 2024.
n-Hexane releases at Pembrook Gas Plant rose from 19k lb to 57k lb (3.0×) between 2023 and 2024.
Cyclohexane volumes here are too small to anchor a multi-year trend; YoY movement is still shown above.
n-Hexane concentrations have more than doubled since 2023.
Xylene (mixed isomers) volumes here are too small to anchor a multi-year trend; YoY movement is still shown above.
Benzene concentrations have more than doubled since 2022.
Toluene concentrations have more than doubled since 2022.
Formaldehyde concentrations have fallen 43% since 2022.
Ethylbenzene concentrations have fallen 26% since 2023.
Upton County County, TX (no Census block groups within 3 miles — falling back to containing county): a population of 3,284. 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.