Public Works May Begin ‘Big Dig’ in Fall, Permits Pending

If L.A. County Department of Public Works officials can procure the necessary permits by late-July, they expect work can begin on the Devil’s Gate Reservoir Sediment Removal and Management Project in October, according to George De La O, a senior civil engineer with the Watershed Management Division.
Work to remove 1.7 million cubic yards of sediment — reduced from 2.4 million cubic yards last year by the L.A. County Board of Supervisors — over the course of four years, hinges on four key permits from the California Department of Fish and Wildlife, Regional Water Quality Control Board and Army Corps of Engineers, De La O said Tuesday at a public informational session at the L.A. River Center and Gardens.
The project’s initial excavation area will be 64 acres, he said, bordered by slopes where vegetation can grow. Continue reading “Public Works May Begin ‘Big Dig’ in Fall, Permits Pending”

Devil’s Gate Dam Sediment Project to Get Smaller

The so-called “Big Dig” won’t be as big after the Los Angeles County Board of Supervisors approved a scaled-down version of the Devil’s Gate Dam Sediment Removal project Tuesday.
Instead of the 2.4 million cubic yards previously approved for removal from the Hahamongna Watershed Park behind the Devil’s Gate Dam, now 1.7 million cubic yards will be scheduled to be removed over a three- to five-year span.
That’s still more than the 1.1 million cubic yards suggested in a plan set forth by the city of Pasadena and championed by environmentalists. Nonetheless, several speakers at Tuesday’s meeting expressed satisfaction about the compromise, which passed 5-0 after being proposed by L.A. County Supervisor Kathryn Barger at Tuesday’s board meeting. Continue reading “Devil’s Gate Dam Sediment Project to Get Smaller”