Total reported releases
Total reported releases at South 8 Energy LLC have more than three-quarters since 2010 (through 2024).
Total reported releases 16k lb held roughly steady year over year (+0%). Total releases concentrations have more than halved since 2010.
3682 HWY 8 S, Richardton, North Dakota · 325193 · Chemicals
Total reported releases at South 8 Energy LLC have more than three-quarters since 2010 (through 2024).
n-Hexane concentrations are up 38% since 2017.
Acetaldehyde concentrations have fallen 28% since 2010.
Acrolein concentrations are up 10% since 2021.
Formic acid concentrations have more than halved since 2010.
Formaldehyde concentrations are up 13% since 2021.
Stark County County, ND (no Census block groups within 3 miles — falling back to containing county): a population of 32,989. 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.