Downstream of California Street: The project would remove and replace the existing concrete lining, and extend the lining to the tops of the banks. California Street to New Hampshire Drive: The proposed project would steepen and concrete-line the channel side; partially concrete-line the channel bottom; and widen the earthen bottom by two feet. The New Hampshire Drive RCB would be replaced to improve channel capacity. The road would be closed for an estimated 8-10 weeks. Upstream of New Hampshire Drive: The project would steepen the channel sides and widen the bottom. The channel would be concrete-lined to increase its capacity.
Caltrans, District 12Air Resources BoardCalifornia Department of Parks and RecreationCalifornia Highway PatrolCalifornia Public Utilities CommissionCaltrans, Division of AeronauticsDepartment of Fish and Wildlife, Region 5Department of Water ResourcesNative American Heritage CommissionOffice of Emergency Services, CaliforniaOffice of Historic PreservationRegional Water Quality Control Board, Region 8Resources AgencyResources, Recycling and RecoveryState Lands Commission