Washington

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Before You Dig in Washington

Explore damage prevention information, local contacts and rules for safe digging in Washington.

811 Center Information

Washington Utility Notification Center

Legislative Information

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  • Legislative Statute #:RCW 19.122
  • Mandatory Membership
  • Civil Penalties
  • Tolerance Zone 24"
  • Hand Dig Clause
  • Mandatory Premark
  • Emergency Clause
  • Positive Response
  • Depth Exemption

Advanced Notice
2 business days
Number of days in advance of a digging project that you need to notify the one call center of your intent to dig.

2 business days
Number of days in advance of a digging project that you need to notify the one call center of your intent to dig.

Marks Valid
Valid for the life of the ticket (45 days)

Valid for the life of the ticket (45 days)

Regional Partners

Geographic Location:
States of Washington, Oregon and Idaho

Partner Since:
August 2003

Mission:
The Northwest Region Common Ground Alliance (NWCGA) is comprised of industry leaders from the states of Washington, Oregon, and Idaho. Our mission is to encourage operators of one-call notification programs, all excavators, and underground facility owner/operators to adopt and implement practices identified in the Common Ground Alliance best practices report.

Contact:

Are You A Homeowner?

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