The California Department of Fish and Wildlife has executed Lake and Streambed Alteration Agreement number EPIMS-MEN-19696-R1C, pursuant to Section 1602 of the Fish and Game Code to Joseph Lerman.
The project is limited to two encroachments.
One proposed encroachment is to perform regular maintenance on an existing stream crossing. Work for this encroachment will include removing sediment and debris from the inlet and outlet of the culvert on a regular basis and rock armoring as necessary to minimize erosion.
The other proposed encroachment involves an existing pair of offstream below grade reservoirs. The proposal is to 1) seal off an 18-inch diameter concrete culvert that formerly diverted water from an unnamed tributary of the Russian River to the reservoirs, and 2) seal off a smaller iron/metal culvert located near the top of the reservoir that functioned as the reservoir spillway. The smaller iron/metal pipe will be sealed with a welded metal plate. The 18-inch diameter concrete pipe will be sealed with a mix of watertight concrete and grout to ensure no water enters the reservoir. Work for the 18-inch concrete culvert includes drilling a hole in the top of the pipe to inject the concrete/grout mix, installing plywood to contain the concrete/grout mix within the culvert, completely filling a 3-foot-long section of the culvert with the concrete/grout mix, and removal of the plywood and grinding off threaded rod
once the grout has cured. Work for this encroachment will occur within the reservoir. All concrete work shall follow measures 2.12, 2.13, 2.14, and 2.15 in the Agreement.