Chico Enterprise-Record » A 30-foot-wide section of temporary wall on the upper chute of the Oroville Dam spillway fell over late last week, the state Department of Water Resources confirmed on Monday. The collapse did not impact construction deadlines and resulted in no injuries, according to the department.
Construction Equipment » The California Department of Water Resources released a video showing before-and-after footage of construction on the Oroville Dam between July 2017 and 2018. The video offers a fly over of the wreckage, showing the dam’s giant canyons in 2017 juxtaposed with today’s smoothed-over layer of structural concrete.
CBS News » The average age of the 90,580 dams located across the U.S is 56 years, according to the American Society of Civil Engineers. ASCE says that in just 10 years, the number of at-risk dams has grown from 10 percent to 17 percent. One reason: Many are earthen dams, and the aging and crumbling structures are barely holding back nearby lakes and rivers.
Chico Enterprise-Record » An independent review board hired by the state Department of Water Resources Oroville Dam has released its first report with an eye toward improving the facility’s future operations. Among the suggestions: a second gated spillway, improved monitoring, and clear operational planning that takes into account the impact of climate change on the dam’s functions. (The webpage includes an embedded copy of the independent report.)
San Benito Free Lance » The California Water Commission has approved $484.55 million to expand the Pacheco Reservoir for drinking water reserves and improved protections for steelhead salmon. The money comes from the state’s Proposition 1 approved by California voters, and represents the full amount sought by the Santa Clara Valley Water District.