Contact UsCustomer Service:
888.237.1333 or e-mail at firstname.lastname@example.org
Hours of Operation: Monday through Friday, 7 a.m. to 7 p.m.
In case of EMERGENCY, contact us 24 hours a day, 7 days a week, 365 days a year.
Hawaii American Water Main offices:
For help with My H2O Online, please call 1.888.237.1333.
American Water Contacts
For Media or External Affairs Inquiries, click here to locate your state's External Affairs Representative.
For General Inquiries