All installations of underground utilities made on and after August 9, 1971 shall be recorded on an "as constructed" map and filed with the county engineer of the county in which the underground utilities are installed.
RCW 36.88.485
Underground electric and communication facilities, installation or conversion to—Recording of underground utility installations.
1971 ex.s. c 103 s 4.
Official source: Washington State Legislature. Reproduced from public-domain Washington statutes; confirm against the official source for the current text. Not legal advice.