Total reported releases
Total reported releases at Ohio Refining CO have more than doubled since 2010 (through 2024).
TRI facility · TRI 2024 reporting year
Ohio Refining CO
Total reported releases 1.0M lb rose meaningfully year over year (+34%). Total releases concentrations have more than doubled since 2010.
4001 CEDAR POINT RD, Oregon, Ohio · 324110 · Petroleum · operated by Cenovus Energy INC
Anomaly engine
Notable Signals
N982
N982 releases at Ohio Refining CO fell from 29k lb to 0 lb (100% lower) between 2023 and 2024.
Chemicals reported · most recent year
What This Facility Releases
Nitrate compounds (water dissociable; reportable only when in aqueous solution)
Nitrate compounds (water dissociable; reportable only when in aqueous solution) concentrations have more than doubled since 2011.
Ammonia
Ammonia concentrations have more than doubled since 2010.
Xylene (mixed isomers)
Xylene (mixed isomers) concentrations have fallen 26% since 2010.
Hydrogen cyanide
Hydrogen cyanide concentrations have fallen 35% since 2014.
Toluene
Toluene concentrations have fallen 36% since 2010.
Cobalt compounds
Cobalt compounds concentrations have fallen 29% since 2018.
n-Hexane
n-Hexane concentrations are up 37% since 2010.
Hydrogen sulfide
Hydrogen sulfide concentrations have more than halved since 2012.
Equity context · ACS 2018-2022 block-group demographics
Who Lives Next To This Facility
Within 3 miles of this facility (33 Census block groups, population-weighted demographics): a population of 28,740. Why we surface this →
43.0%
Low-income
30.0%
People of color
6.6%
Under age 5
16.2%
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.