If you have questions about your water rates, contact the Hawaii Water Customer Center.
Rates
Water rates can be very complicated. On these pages, you will find information and legal documents related to your water rates and how they are set.
- How rates are set: An overview of the process used by the Hawaii Public Utility Commission (HPUC) to set your water rates.
- Rates and tariffs: Details of HPUC-approved water rates and tariffs.
- Other filings: Miscellaneous filings.
- Water charge estimator: An online tool for comparing your estimated monthly water-related charges before and after the proposed rate increase.