Planning and Research, Office of
(Office of Planning and Research)
San Dimas Dam Maintenance Project
NOE - Notice of Exemption
The project as proposed consists of temporary impacts to 3.31 acres of DFG jurisdictional streambed consisting of riparian herbaceous, open water, and ruderal habitats through multiple dam improvement and maintenance activities. No permanen impacts are expected to occur. These activities include the removal of temporary steel plates on the debris rack; recoating of corroded debris racks and flood control gates; raplacement of the reservoir stilling well, catwalks, and ladders; rehabilitation of the outlet tunnel and hydraulic actuators for the flood control gates; and mior grading of the reservoir bottom.