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Oregon Field Guide

Columbia River Toxins


The mid-Columbia River, above Bonneville Dam, has never been tested extensively for contamination until now. Oregon’s Department of Environmental Quality conducted one of its largest surveys and found the middle river shares many of the same contaminants as the lower river. Water samples generally came out clean but fish showed levels of mercury, PCBs and other pollutants which could present health concerns to those who eat lots of fish.

Producer - Vince Patton
Videographer & Editor - Nicholas Fisher
Video Courtesy - Army Corps of Engineers
Animation - Todd Sonflieth

More Information
DEQ Mid-Columbia Toxics Report

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Episode

Backpacking the Olympic Coast; Columbia River Toxins; Portland Fruit Tree Project

Oregon Field Guide:#2409
Most Recent Broadcast: May 23, 2013