Twitchell Dam Dredging Project

Summary

SCH Number
2013011028
Lead Agency
Santa Maria Valley Water Conservation District
Document Title
Twitchell Dam Dredging Project
Document Type
MND - Mitigated Negative Declaration
Received
Present Land Use
AG, Agriculture, AG-II-100
Document Description
The purpose of this project is the removal of sediment that has accumulated and may affect the function of the lower inlet portal of the Twitchell Dam Inlet Structure. This is emerging as an essential sediment management capital project requirement to maintain the outlet works in good condition. It is proposed to perform this work utilizing a floating hydraulic dredge as described in this project description.

Contact Information

Name
Daryl Souza
Agency Name
Santa Maria Valley Water Conservation District
Contact Types
Lead/Public Agency

Location

Cities
Santa Maria
Counties
San Luis Obispo, Santa Barbara
Cross Streets
Private access drive off of Highway 166
Parcel #
090-411-020 & 131-005-013
State Highways
Hwy 166

Notice of Completion

State Review Period Start
State Review Period End
State Reviewing Agencies
California Coastal Commission (CCC), California Department of Fish and Wildlife, Central Region 4 (CDFW), California Department of Fish and Wildlife, South Coast Region 5 (CDFW), California Department of Parks and Recreation, California Department of Public Health (CDPH), California Department of Transportation, District 5 (DOT), California Highway Patrol, California Native American Heritage Commission (NAHC), California Regional Water Quality Control Board, Central Coast Region 3 (RWQCB), California State Lands Commission (SLC), Department of Water Resources, Resources Agency, State Water Resources Control Board, Division of Water Rights
Development Types
Other (Dredging Operations, 9,000 cy of material stockpiled in a 9 ac b)
Project Issues
Agriculture and Forestry Resources, Air Quality, Biological Resources, Cultural Resources, Drainage/Absorption, Geology/Soils, Hazards & Hazardous Materials, Hydrology/Water Quality, Wildlife

Disclaimer: The document was originally posted before CEQAnet had the capability to host attachments for the public. To obtain the original attachments for this document, please contact the lead agency at the contact information listed above. You may also contact the OPR via email at state.clearinghouse@opr.ca.gov or via phone at (916) 445-0613.

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