Wash. Rev. Code § 80.28.330
(2) Issuance of the certificate of public convenience and necessity must be determined on, but not limited to, the following factors:
(5)
(a) Prior to the commission approving a wastewater company to provide new service or extend existing service, the wastewater company must file and continuously maintain in effect, a bond, or equivalent surety as determined by the commission, with the commission to ensure that there are sufficient funds to:
(b) The bond, or its equivalent surety, is payable under this section to the commission upon:
[ 2011 c 214 s 3.]
Findings—Purpose—Limitation of chapter—Effective date—2011 c 214: See notes following RCW 80.04.010.