What should I do if I see someone dumping garbage on private or public property?

Illegal dumping is a serious problem in the County. Do not approach someone illegally dumping on public land or streets. Record the license plate number and vehicle information. When it is safe, contact local law enforcement and report it providing the license plate number and vehicle information (i.e., year, make, model, color, etc.). If the dumping occurs in the unincorporated county report it to the Contra Costa County Sheriff's Department. If the dumping occurs within incorporated city limits report it to the local Police Department. Dumping on private land should be reported to Code Enforcement at (925) 655-2710 or file a complaint online

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1. How do I report debris on private property or a vacant lot?
2. How do I report debris on public roads?
3. How do I report hazardous material spills or dumping?
4. How do I report illegal dumping as it occurs?
5. What is the county currently doing about illegal dumping?
6. What should I do if I see someone dumping garbage on private or public property?
7. Who do I contact if I want to report illegal dumping?