More Videos

How to tell an invasive swamp rodent from other California critters 1:07

How to tell an invasive swamp rodent from other California critters

This is what Oroville Dam spillway looks like mid-February 2018 1:57

This is what Oroville Dam spillway looks like mid-February 2018

Why California officials fear this lapdog-sized swamp rodent 1:53

Why California officials fear this lapdog-sized swamp rodent

Watch drought conditions spread across California 0:47

Watch drought conditions spread across California

There’s not much snow in the Sierra. See how it compares to February in recent years 0:42

There’s not much snow in the Sierra. See how it compares to February in recent years

Marking one year since Oroville evacuations 1:01

Marking one year since Oroville evacuations

Watch the flood that could have happened if the Oroville spillway failed 0:37

Watch the flood that could have happened if the Oroville spillway failed

Fly over the proposed site for Sites Reservoir in Northern California 0:53

Fly over the proposed site for Sites Reservoir in Northern California

Sierra snowpack stays below average despite gains 1:30

Sierra snowpack stays below average despite gains

Get closeup view of latest work at Oroville Dam spillway 1:37

Get closeup view of latest work at Oroville Dam spillway

Watch the labor intensive work going on at Oroville Dam spillway

As work continues on the Lake Oroville Dam spillways (Aug. 8, 2017), concrete is poured into 30- to 80-foot holes to create the underground cut-off wall downslope of the emergency spillway. Crews continue to assemble and erect electrical towers to reroute power lines away from the spillway. Rebar is installed for the upper spillway walls and structural concrete, concrete is poured and graded, and more stay-forms are installed.