flood

Oregon Waterways
5:44 pm
Mon September 15, 2014

Flash Floods Create Unusual Problem For Farmers, Fish

A Salmon Screen
Credit Danny Didricksen

Flash floods this August swept mud, debris, and ash through north-central Washington. All that gunk has created an unusual problem for farmers and migratory fish.

Farmers usually install screens on the end of irrigation pipes to prevent clogs. Those screens also keep fish from being sucked out of the water and into farmers’ fields. But fish screens do little good when they get inundated with debris and mud.

Danny Didricksen is with the Washington Department of Fish and Wildlife. He says crews have been working non-stop to help unclog fish screens.

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Infrastructure
3:00 am
Wed March 19, 2014

Updated Dam Failure Maps Available

Inundation map for Oakridge, if the Hills Creek Dam were to fail.
Credit Karen Richards

What happens if a dam fails during normal summer conditions? What if a dam breaks when it’s flooding or snowing? To answer those questions, the U.S. Army Corps of Engineers has updated its dam failure inundation maps.

The Corps created maps of failure scenarios for all 13 dams in the Willamette Valley. Their release last year drew hundreds of requests. The Corps is holding viewings for those citizens who expressed interest. Matt Craig is a Dam Safety Program Manager.

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