Dam Safety Series: Faults

Hold PG&E At Fault Underlying issues threatening Scott Dam Scott Dam’s proximity to the Bartlett Springs Fault is a major safety concern. The Bartlett Springs fault was not identified by geologists as “a regionally significant seismic source” until the 1980s,...

Dam Safety Series: Aging Structure

Dams and the Consequences of Time  Dam safety concerns of Scott Dam’s aging structure This year Scott Dam turned 100 years old, and as is the case with any century-old infrastructure, there are some concerns about its safety. Cape Horn Dam, 12 miles downstream, is 114...

Dam Safety Series: Sediment

A Much Bigger Problem – More ways poor design impacts dam safety at Scott Dam Decreased water storage, high temperatures, and evapotranspiration cause the sediment that has piled up in steep banks behind Scott Dam to dry out and slough off, threatening to...

Dam Safety Series: Foundation

Between a Rock and Management Priorities – Immense Pressure on Scott Dam’s Questionable Foundation Of the many safety concerns at Scott Dam, the first we featured in our blog series was the uncertain quality of the bedrock and redesigned dam as discussed...

Dam Safety Series: Design

What is wrong with this picture?  Looking below the surface at Scott Dam’s design Did you know Scott Dam was originally designed to run straight across the Eel River Canyon? So why is there an angle in Scott Dam? How does this design impact dam safety? Scott Dam, as...