Kailua vs Waipahu
How do water restrictions rules compare between Kailua, HI and Waipahu, HI?
Kailua and Waipahu have similar restriction levels.
Kailua, HI
Honolulu County
Kailua irrigation users along Kailua Beach and Lanikai must follow Board of Water Supply drought stages; ROH Chapter 30 sets broader management policy.
View full Kailua rules →Waipahu, HI
Honolulu County
Waipahu follows ROH Chapter 30 water management rules plus Board of Water Supply shortage stages, which hit leeward Oahu communities like Waipahu early during drought.
View full Waipahu rules →Key Facts Comparison
| Fact | Kailua | Waipahu |
|---|---|---|
| Code | ROH Sec. 30-2.3 | ROH Sec. 30-2.3 |
| Operator | Board of Water Supply | - |
| Drought stages | 1 through 4 | - |
| Typical limits | Day-of-week watering | - |
| Shortage authority | - | Board of Water Supply |
| Shortage stages | - | Four graduated levels |
| Rebates | - | BWS rain barrel and xeriscape |
Highlighted rows indicate differences between cities.
Kailua FAQ
Does windward Kailua get exemptions during drought?
No. BWS shortage declarations apply islandwide regardless of local rainfall. Kailua users must follow the same stage rules as leeward Oahu.
Can I run an automatic sprinkler at my Lanikai home overnight?
Under normal conditions, yes. During declared shortages, nighttime or assigned-day-only watering schedules apply and automatic controllers must be adjusted.
Waipahu FAQ
Are Waipahu yards always on watering-day restrictions?
No. Day-of-week schedules activate only when the Board of Water Supply declares a numbered shortage stage. Otherwise, standard conservation practices apply.
Can Waipahu farmers near Kunia use non-potable water?
ROH Chapter 30 and BWS policy encourage non-potable use where available. Agricultural irrigation typically uses separate ditch systems or dedicated non-potable connections.
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