East Honolulu vs Honolulu
How do water restrictions rules compare between East Honolulu, HI and Honolulu, HI?
East Honolulu and Honolulu have similar restriction levels.
East Honolulu, HI
Honolulu County
East Honolulu's large lots from Portlock to Kalama Valley must follow ROH Chapter 30 water management provisions plus Honolulu Board of Water Supply conservation stages during shortages.
View full East Honolulu rules →Honolulu, HI
Honolulu County
Honolulu's Board of Water Supply (BWS) may declare mandatory water-conservation stages restricting outdoor irrigation timing and volume. The Land Use Ordinance also requires permanent irrigation systems for required landscaping on development sites.
View full Honolulu rules →Key Facts Comparison
| Fact | East Honolulu | Honolulu |
|---|---|---|
| Code | ROH Sec. 30-2.3 | - |
| Shortage authority | Board of Water Supply | - |
| Shortage stages | Four graduated levels | - |
| Rebates | BWS rain barrel and xeriscape | - |
| Conservation authority | - | Board of Water Supply (BWS) |
| Irrigation system required | - | Yes, for LUO-required landscaping |
| Restriction levels | - | Voluntary to mandatory stages |
| Violation penalty | - | Misdemeanor, daily fines |
Highlighted rows indicate differences between cities.
East Honolulu FAQ
Are there day-of-week watering rules in East Honolulu?
Not in normal conditions. The Board of Water Supply imposes day-of-week schedules only when a numbered shortage stage is declared for Oahu.
Can I use the marina water to irrigate my Hawaii Kai yard?
Use of marina, brackish, or other non-potable water for irrigation is encouraged by Chapter 30 policy but requires compliance with health and backflow protection rules.
Honolulu FAQ
Are there currently mandatory outdoor watering restrictions in Honolulu?
Restrictions vary; the BWS may activate mandatory conservation stages during drought. Check the BWS website or call (808) 748-5000 for the current status.
When is outdoor irrigation recommended to avoid waste?
BWS recommends watering before 9 AM or after 5 PM to minimize evaporation. Weather-based irrigation controllers are also encouraged year-round.
Does new construction need a permanent irrigation system?
Yes. ROH § 21-4.70 requires all required landscaping on development sites to have a permanent irrigation system installed.
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