Public case informationLast updated
Lower Umatilla Basin Groundwater Contamination Lawsuit
Port of Morrow, Lamb Weston, Portland General Electric, Columbia River Processing, Madison Ranches, and Threemile Canyon Farms · Industrial wastewater treatment and disposal; groundwater and drinking water · Ongoing Litigation
About this case
Residents allege that wastewater generated by commercial operators and handled by the Port of Morrow contaminated groundwater in Oregon’s Lower Umatilla Basin, affecting drinking water for area residents. A federal judge denied motions to dismiss claims under the Resource Conservation and Recovery Act and Oregon law, and the case is proceeding toward a jury trial scheduled for May 3, 2027.
Case overview
- Defendant company
- Port of Morrow, Lamb Weston, Portland General Electric, Columbia River Processing, Madison Ranches, and Threemile Canyon Farms
- Product or service
- Industrial wastewater treatment and disposal; groundwater and drinking water
- Case status
- Ongoing Litigation
- Lawsuit type
- Consumer
- Reported harm
- Other
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