Big Cliff Dam

The North Santiam River backs up behind Big Cliff Dam near Detroit, Ore. Forecasters say much of the state could have lower-than-normal streamflows this summer.

PORTLAND — Despite ample rain in May, most streams and rivers in Oregon are expected to run below average for the summer, setting the stage for water shortages in some regions.

The USDA Natural Resources Conservation Service released its final water supply outlook report for 2020, calling for lower streamflows through September, particularly in the areas of southern and central Oregon caught in the grip of extreme drought.

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