Prospect Island Tidal Habitat Restoration Project

5 Documents in Project


SCH Number
Lead Agency
Water Resources, Department of (California Department of Water Resources)
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
California Department of Water Resources
3500 Industrial Blvd
Sacramento, CA 95691

Phone : (916) 376-9738


38°15'12.3"N 121°39'24.9"W
Rio Vista
Total Acres
Parcel #
State Highways
Miner Slough, Cache Slough, Sacramento DWSC

Notice of Completion

Review Period Start
Review Period End
Development Type
Other (restore 1528 ac of tidal habitat within 1684 ac site)
Local Action
Other Action Other Action: Restoration
Project Issues
Flood Plain/Flooding Noise Traffic/Circulation Water Quality Water Supply
Reviewing Agencies
California Department of Fish and Wildlife, Bay Delta Region 3 California Department of Parks and Recreation California Department of State Parks, Division of Boating and Waterways California Highway Patrol California Native American Heritage Commission California State Lands Commission Delta Protection Commission Delta Stewardship Council Office of Emergency Services, California Office of Historic Preservation Resources Agency State Water Resources Control Board, Division of Water Quality Central Valley Flood Protection Board California Department of Transportation, District 4 California Regional Water Quality Control Board, Central Valley Sacramento Region 5


Environmental Document
Prospect_DEIR_08_09_2016_Web   PDF 11767 K
Final Document(s)
Final 2019 FEIR w Appendices Prospect Island Aug 16 2019   PDF 231117 K Final Findings of Fact SOC Prospect Island Aug 16 2019   PDF 365 K Final MMRP Prospect Island Aug 16 2019   PDF 343 K
noc   PDF 794 K
State Comments
2013052056   PDF 1830 K Central Valley Comments   PDF 432 K Prospect Island Habitat Restoration GTS 9858 Sol 84 3   PDF 1008 K

Disclaimer: The Governor’s Office of Planning and Research (OPR) accepts no responsibility for the content or accessibility of these documents. To obtain an attachment in a different format, 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. For more information, please visit OPR’s Accessibility Site.

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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