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.
About the Companies
Information for Companies
- Affiliated Interest Rule
- Regulated Water Companies that submit filings to the Commission for approval 2025
Water Disconnection Resumption
- Time Payment Agreement
- U-200281 Order 05
- Appendix B to Order 05
- 30-Day Disconnect Resumption Notice
- Notice requiring water companies to file tariff revisions for high heat advisory
Tariff Adoption - Water
AWWA Meter Factor Sizes