Tidewater Terminal CO Snake River Terminal
Total reported releases 7k lb rose modestly year over year (+7%). Total releases concentrations are roughly unchanged from 2010.
671 TANK FARM RD, Pasco, Washington · 424710 · Petroleum Bulk Terminals · operated by Tidewater Holdings 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
Metham sodium
Metham sodium concentrations are roughly unchanged from 2010.
n-Hexane
n-Hexane concentrations are up 99% since 2010.
Ammonia
Ammonia concentrations have fallen 20% since 2010.
Toluene
Toluene concentrations have fallen 46% since 2010.
Xylene (mixed isomers)
Xylene (mixed isomers) concentrations have fallen 29% since 2010.
1,3-Dichloropropylene
1,3-Dichloropropylene concentrations have more than doubled since 2010.
Benzene
Benzene concentrations have fallen 21% since 2010.
1,2,4-Trimethylbenzene
1,2,4-Trimethylbenzene concentrations are up 29% since 2010.
Who Lives Next To This Facility
Within 3 miles of this facility (5 Census block groups, population-weighted demographics): a population of 9,092. Why we surface this →
Low-income
People of color
Under age 5
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.