Prospect Island Tidal Habitat Restoration Project

7 Documents in Project


SCH Number
Lead Agency
California Department of Water Resources (DWR)
Document Title
Prospect Island Tidal Habitat Restoration Project
Document Type
EIR - Draft EIR
Present Land Use
Open space/Miscellaneous
Document Description
The project proposes to restore tidal action to 1,528 acres on the currently flooded Prospect Island in the Sacramento River Delta to improve productivity for Delta smelt and salmonid species. Project activities would include clearing and invasive species control; excavation of tidal slough channels; removal of a portion of an internal cross levee; placement of excavated soils into remnant agricultural ditches and newly constructed berms and benches; dredging of the spur channel between Miner Slough and the southern portion of the site; limited planting and revegetation; and excavation of two levee breaches to establish tidal connectivity with Miner Slough.

Contact Information

Dan Riordan
Agency Name
California Department of Water Resources
Contact Types
Lead/Public Agency


Rio Vista
Total Acres
Parcel #
State Highways
Miner Slough, Cache Slough, Sacramento DWSC

Notice of Completion

State Review Period Start
State Review Period End
State Reviewing Agencies
California Department of Fish and Wildlife, Bay Delta Region 3 (CDFW), California Department of Parks and Recreation, California Department of State Parks, Division of Boating and Waterways, California Department of Transportation, District 4 (DOT), California Highway Patrol, California Native American Heritage Commission (NAHC), Central Valley Flood Protection Board, Delta Protection Commission, Office of Emergency Services, California, Resources Agency, California Regional Water Quality Control Board, Central Valley Sacramento Region 5 (RWQCB), California State Lands Commission (SLC)
State Reviewing Agency Comments
California Regional Water Quality Control Board, Central Valley Sacramento Region 5 (RWQCB), California State Lands Commission (SLC)
Development Types
Other (restore 1528 ac of tidal habitat within 1684 ac site)
Local Actions
Project Issues
Aesthetics, Agriculture and Forestry Resources, Air Quality, Biological Resources, Cultural Resources, Cumulative Effects, Flood Plain/Flooding, Geology/Soils, Hazards & Hazardous Materials, Hydrology/Water Quality, Land Use/Planning, Mineral Resources, Noise, Population/Housing, Public Services, Recreation, Transportation, Vegetation, Wetland/Riparian, Wildfire, GHG

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 or via phone at (916) 445-0613.

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