8 January 2018. “The Oroville Dam spillway incident was caused by a long-term systemic failure of the California Department of Water Resources (DWR), regulatory, and general industry practices to recognize and address inherent spillway design and construction weaknesses, poor bedrock quality and deteriorated service spillway chute conditions.”

HYDROWORLD

http://www.hydroworld.com/articles/2018/01/breaking-news-final-report-details-reasons-behind-oroville-dam-spillway-incident.html

At industryabout.com:

Oroville Dam

USA Industrial Map

 

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