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TRI Explorer

2012 TRI National Analysis: Large Aquatic Ecosystems - Columbia River Basin
The default is 2013 National Analysis dataset (released October 2014) (Updated Nov 11, 2014)



Map of TRI Facilities in Columbia River Basin

How does Columbia River Basin compare to other large aquatic ecosystems in the country?
The Columbia River Basin ranks 7 in total releases per square mile compared to other large aquatic ecosystems in the country (total number of large aquatic ecosystems = 10, rank 1 = highest release per square mile)










Top Five Chemicals by Environmental Medium for Columbia River Basin, 2012



Note: **=Carcinogenic Chemical

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