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 PattonVideographer & Editor - Nicholas FisherVideo Courtesy - Army Corps of EngineersAnimation - Todd Sonflieth More Information DEQ Mid-Columbia Toxics Report Online: DEQ.state.or.us/lab/wqm/middlecolumbia