Rossmoor Detention Basin Expansion Project

Summary

SCH Number
2003102116
Lead Agency
Contra Costa County Flood Control District
Document Title
Rossmoor Detention Basin Expansion Project
Document Type
NEG - Negative Declaration
Received
Present Land Use
public/semi-public/single family residential district

Document Description
CCCFC & Water Conservation District proposes to expand the capacity of Rossmoor detention basin from 35 acre feet to 55 ac.ft. The project consists of 4 components: 1) acquisition of adjacent property & excavation & removal of approximately 30,000 cubic yards of material from the property, 2) removal of approximately 2,000 cu.yd. of silt from the bottom of the existing basin, 3) reconstruction of the existing outfall structure, & 4) long term maintenance of the expanded detention basin. Several standard best management practices (BMP) & mitigation measures will also be incorporated into the project in order to ensure that potential impacts are less than significant.

Contact Information
Cece Sellgren
Contra Costa County Flood Control District
255 Glacier Dr.
Martinez, CA 94553-0095

Phone : (925) 313-2296

Location

Cities
Walnut Creek
Counties
Contra Costa
Cross Streets
Rossmoor Boulevard
Zip
94595
Total Acres
2.5
Parcel #
189-130-041, 042
State Highways
24, I-680
Schools
Del Valle HS
Waterways
Tice Creek
Township
1S
Range
2W
Section
4

Notice of Completion

Review Period Start
Review Period End
Development Type
Other (flood control)
Local Action
Other Action Other Action: flood control
Project Issues
Aesthetic/Visual Archaeologic-Historic Flood Plain/Flooding Vegetation Water Quality Wetland/Riparian Wildlife
Reviewing Agencies
California Department of Fish and Wildlife, Bay Delta Region 3 California Department of Parks and Recreation California Department of Transportation, District 4 California Native American Heritage Commission California Regional Water Quality Control Board, San Francisco Bay Region 2 California State Lands Commission Department of Water Resources Resources Agency

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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