Tillamook, Portland General Electric Sued Over Nitrate Discharge

December 5, 2025, 8:31 PM UTC

Columbia River Processing LLC, the producer of the Tillamook brand, and the Portland General Electric Co. face a proposed class action accusing them of contaminating drinking water with high-nitrate waste.

Four residents of Marrow and Umatilla counties in Oregon alleged the two companies’ industrial facilities knowingly sent wastewater to a port authority that illegally dumps on farmland and contaminates their drinking water supply.

PGE generates 900 million gallons of wastewater annually with nitrate levels nearly four times the federal safety limit, while the Tillamook facility produces 360 million gallons with nitrate levels more than twice the limit, according to the ...

Learn more about Bloomberg Law or Log In to keep reading:

See Breaking News in Context

Bloomberg Law provides trusted coverage of current events enhanced with legal analysis.

Already a subscriber?

Log in to keep reading or access research tools and resources.