Oregon has most miles of polluted or ‘impaired’ waterways nationwide, new analysis says

Upper Klamath Lake is among the most polluted lakes in Oregon. (U.S. Bureau of Reclamation/Wikimedia Commons)

Oregon has more than 120,000 miles of polluted or “impaired” rivers and streams – the most nationwide, according to a new analysis. 

The report, released last week by the Environmental Integrity Project, a nonprofit headquartered in Washington D.C, said that 80% of those waterways threaten aquatic life, making Oregon the worst nationwide in that category. California and Utah…