On Jan. 1, 2013, Washington's Dig Law (RCW 19.122) was updated.
After three years and a great deal of input from stakeholders, the Legislature passed E2SHB-1634, the Underground Utilities Damage Prevention Act, in 2011. The intent of the legislation was to build and improve upon the existing dig law by addressing federal standards along with eliminating outdated or poor practices.
Dig Law Information
Washington Dig Law Safety Committee