Oroville Dam: Phase two begins, DWR says spillway ready for winter Gallery Oroville Dam: Phase two begins, DWR says spillway ready for winter California, Dams, Oroville Dam Oroville Dam: Phase two begins, DWR says spillway ready for winter Oroville Mercury-Register » With the final layer of concrete placed on the [...] By Michelle|2018-01-12T10:56:16-08:00November 1, 2017|California, Dams, Oroville Dam|Comments Off on Oroville Dam: Phase two begins, DWR says spillway ready for winter Read More