Toluene
Toluene at Hollyfrontier Navajo Refining LLC - Artesia Refinery have more than three-quarters since 2010 (through 2024).
TRI facility · TRI 2024 reporting year
Hollyfrontier Navajo Refining LLC - Artesia Refinery
Total reported releases 255k lb held roughly steady year over year (-0%). Total releases concentrations have fallen 37% since 2010.
501 E MAIN ST, Artesia, New Mexico · 324110 · Petroleum · operated by Hf Sinclair CORP
Anomaly engine
Notable Signals
Xylene (mixed isomers)
Xylene (mixed isomers) at Hollyfrontier Navajo Refining LLC - Artesia Refinery have more than halved since 2010 (through 2024).
Chemicals reported · most recent year
What This Facility Releases
Ammonia
Ammonia concentrations are up 63% since 2010.
n-Hexane
n-Hexane concentrations have fallen 38% since 2010.
Ethylene
Ethylene concentrations have more than doubled since 2010.
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) concentrations are roughly unchanged from 2010.
Hydrogen sulfide
Hydrogen sulfide concentrations are up 78% since 2012.
Xylene (mixed isomers)
Xylene (mixed isomers) concentrations have more than halved since 2010.
Propylene
Propylene concentrations have more than halved since 2010.
Toluene
Toluene concentrations have more than halved since 2010.
Equity context · ACS 2018-2022 block-group demographics
Who Lives Next To This Facility
Within 3 miles of this facility (9 Census block groups, population-weighted demographics): a population of 10,382. Why we surface this →
36.6%
Low-income
64.3%
People of color
7.3%
Under age 5
12.0%
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.