Hawaii Water offices are closed on the below dates.
| 2023 Date | Closure Reason |
|---|---|
| January 2 | New Year’s Day |
| January 16 | Martin Luther King, Jr. Day |
| February 20 | Presidents’ Day |
| March 31 | Offices close at noon for a company meeting |
| May 29 | Memorial Day |
| July 4 | Independence Day |
| September 4 | Labor Day |
| November 10 | Veterans Day |
| November 23, 24 | Thanksgiving |
| December 22, 25 | Christmas |