Hawaii Water offices are closed on the below dates.
| 2025 Date | Closure Reason |
|---|---|
| January 1 | New Year’s Day |
| January 20 | Martin Luther King, Jr. Day |
| February 17 | Presidents’ Day |
| March 31 | Offices close at noon for a company meeting |
| May 26 | Memorial Day |
| July 4 | Independence Day |
| September 1 | Labor Day |
| November 11 | Veterans Day |
| November 27, 28 | Thanksgiving |
| December 24, 25 | Christmas |