Aug 5, 2010
To report an illigal discharge occurring right now call 911 or the Sheriff’s Dispatch at (925) 646-2441.
To report an illigal discharge that has taken place in a portion of the unincorporated County call (925) 313-2236
To report an illicit discharge that occurred in other cities/towns in Contra Costa County call 1-800-NO-DUMPING.