Washington Utilities and Transportation Commission
The UTC regulates private water companies operating within Washington state that have 100 or more connections or if the utility charges more than $557 a year per customer.
Glossary of Regulatory Terms
Tariff Adoption - Water
Generic Tariff - June 2019
A - GRC Checklist - April 2015
General Rate Case User Manual - May 2018
AWWA Meter Factor Sizes