| DWS Customer Service/Billing |
(808) 270-7730 |
| DWS Laboratory |
(808) 270-7550 |
| DWS Administration |
(808) 270-7816 |
DWS 24 Hour Emergency Hotline
|
(808) 270-7633 |
| All other DWS Inquiries |
(808) 270-8046
|
| Hawaii State Dept. of Health Safe Drinking Water Branch |
(808) 984-2400 Ext 64258 |
| Environmental Protection Agency Safe Drinking Water Hotline |
(800) 426-4791 |
Check out our
glossary of water-related terms. Here you will find a listing, in alphabetical order, of the Department's most commonly used terms and their definitions.