The Flood Control District periodically makes available soil to further the district's capital program objectives as well as to assist in other's construction projects. Listed below are the current soil borrow opportunities with links to additional data.
Please review the information provided, and if you have any questions, please contact Gus Amirzehni by e-mail.
Upper Sand Creek Basin
The Upper Sand Creek Basin (USCB) is located in south Antioch approximately 0.3 miles east of Deer Valley Road and just south of the Kaiser hospital. As of 2020, approximately 350,000 cubic yards of surplus material from the basin excavation has been stockpiled for future offhaul. The surplus soil prism is shown in the image below. The site has been successfully been used as a regional borrow site many times in the past. Linked below is an overview map, a fact sheet, geotechnical borings and analyticals.
Lower Sand Creek Basin
Lower Sand Creek Basin (LSCB) is located in Brentwood approximately 0.75 miles east of the State Route 4 Bypass Sand Creek interchange. This site has approximately 60,000 cy of material available. The District's intends to release this material only after the material from Upper Sand Creek Basin (see above) is committed.
Wildcat Creek Sediment Stockpile
Soil is removed from the District's Wildcat Creek Sediment Basin every 2 to 4 years and stockpiled for future off-haul. As of 2015, the District has approximately 10,000 cy of material available. This site is located in North Richmond, in the western portion of Contra Costa County. This material generally consists of sandy silts and has historically been used for soil admixtures.