AGENDA 21 RADIO

BY PAUL PRESTON

Oroville Dam annual inspections found water “seepage” on the face of the dam and have been warning about potential structural steel failures since 2014.

FROM THE AUGUST 22, 2016 DAM INSPECTION:

8/22/16 

Date of Inspection
 
Observations and Comments

Outlet

Seepage

DWR 1261 (rev. 10:09)

The radial gate anchor tendons are about 50-years old and may be reaching the end oftheir useful
life. Tendon testing was recently completed using dispersive wave techniques. Follow up I
research and results are expected in the next 12 months. 

While on the upper deck of the Flood Control Outlet, Paul Dunlap pointed out a crack at the top of
the center pier,............

Agenda 21 Radio has been reporting on the safety of Oroville Dam and the lack of response by California Governor Jerry Brown after being made aware of “the Oroville Dam’s annual ‘Inspection of Dam and Reservoir in Certified Status’ by State of California Division of Safety of Dams for the years 2014, 2015 and 2016. These reports and the urgency of their contents in regards to the structural integrity of Oroville Dam center around several features of Oroville Dam including the main dam wall, main spillway and the emergency spillway. In addition a map known as an inundation map was produced in 2006 and revised in June 2016 for the August 22, 2016 inspection showing the extent of flooding if Oroville dam failed when full.

Inspection of Dam and Reservoir in Certified Status 2014

Inspection of Dam and Reservoir in Certified Status 2015

Inspection of Dam and Reservoir in Certified Status 2016

Inundation map 2006, revised 2016

Governor Jerry Brown Press Conference February 24, 2017