Reduce the chance of damage

The image promotes calling 811 before digging, emphasizing safety and legal obligations for homeowners and professionals.

You should call 811 or 811 center’s website a few business days before you begin any digging, including common projects like planting trees and shrubs or installing fences and mailboxes. 

Underground Service Alert of Northern California and Nevada
811 or 800-642-2444 or online USA North 811 | Call 811 Before You Dig

The image shows flags in different colors with a legend explaining their meanings related to underground utilities before digging.