Big Dalton Dam Sluiceway Rehabilitation Project (Lake or Streambed Alteration Agreement No. 1600-2016-0056-R5)
Summary
SCH Number
2017058332
Public Agency
California Department of Fish and Wildlife, Region 5
(CDFW)
Document Title
Big Dalton Dam Sluiceway Rehabilitation Project (Lake or Streambed Alteration Agreement No. 1600-2016-0056-R5)
Document Type
NOE - Notice of Exemption
Received
Posted
5/17/2017
Document Description
CDFW has executed lake and streambed alteration agreement no. 1600-2016-0056-R5, pursuant to section 1602 of the fish and game code to Los Angeles County Flood Control District.
The project will rehabilitate the sluiceway outlet on Big Dalton Dam to support flood control operations, promote storm water capture and groundwater recharge, allow a safe emergency dewatering releases, and maintain a structurally-sound facility. Specific project activities include the following. On the upstream side of the dam reservoir bottom access road and work pad, a bypass pipeline into a 0.55 acre desilting basin, the sluice gate will be replaced with a hydraulic gate, a new debris rack, and existing corrugated metal pipe will be replaced with a concrete chute along west rim of reservoir. Downstream of the dam the repairs will occur at the following locations two existing dip crossings will be replaced with box culverts, a single span bridge will replace existing structure, dam apron and sluiceway repairs, a regulating valve will be installed at the sluiceway outlet, existing access road will be paved with Portland cement, and facility and miscellaneous repairs.
Contact Information
Name
Matt Chirdon
Agency Name
California Department of Fish and Wildlife, Region 5
Contact Types
Lead/Public Agency
Phone
Location
Coordinates
Cities
Glendora
Counties
Los Angeles
Cross Streets
2600 Big Dalton Canyon Rd
Parcel #
8678-012-902
Township
1N
Range
9W
Notice of Exemption
Exempt Status
Categorical Exemption
Type, Section or Code
15301, 15302
Reasons for Exemption
Class 1, section 15301; The project is exempt b/c it includes the restoration of facilities necessary for public health and safety. The facilities will be restored in existing locations with no expansion of existing use. Class 2, section 15302; the project is exempt b/c it consists of reconstruction of existing facilities located in the same location with the same purpose and capacity for conveyance of flood flows.
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