Dark Sky Rules: Kapolei vs Waipahu
How do dark sky rules rules compare between Kapolei, HI and Waipahu, HI?
Waipahu has fewer restrictions than Kapolei.
Kapolei, HI
Honolulu County
Kapolei's commercial and recreational lighting must use full cut-off shielded fixtures to protect surrounding residential zones and preserve leeward night skies.
View full Kapolei rules →Waipahu, HI
Honolulu County
Waipahu commercial, industrial, and recreational development must use full cut-off shielded fixtures under ROH 21-4.100, protecting dense plantation-era residential blocks from light spill.
View full Waipahu rules →Key Facts Comparison
| Fact | Kapolei | Waipahu |
|---|---|---|
| - | - | |
| Code section | - | ROH 21-4.100 |
| Fixture type | - | Full cut-off shielded |
| Applies to | - | Commercial/industrial |
| State companion | - | HRS 201-8.5 |
| Rooftop rule | - | Shield beyond rooftop |
Highlighted rows indicate differences between cities.
Kapolei FAQ
Do Kapolei industrial park lights need retrofits?
New or replacement fixtures must meet the standard. Existing fixtures may be retrofitted on complaint or upgrade.
Does the rule cover stadium lighting?
Outdoor recreational facilities fall under the ordinance and must use shielded fixtures that eliminate direct spill.
Waipahu FAQ
Does the rule cover shopping centers on Farrington Highway?
Yes. Commercial sites along Farrington Highway must install full cut-off shielded fixtures to eliminate light spill onto adjacent residential Waipahu blocks.
What is a full cut-off fixture?
A fixture designed so no light is emitted above horizontal, directing all output downward. This is the standard required by ROH 21-4.100.
Are Waipahu sports field lights regulated?
Yes. Outdoor recreational lighting is covered by LUO 21-4.100 and must use shielded fixtures that eliminate illumination onto neighboring residential properties.
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