Ewa Gentry vs Pearl City
How do dark sky rules rules compare between Ewa Gentry, HI and Pearl City, HI?
Pearl City has fewer restrictions than Ewa Gentry.
Ewa Gentry, HI
Honolulu County
Ewa Gentry's commercial and recreational lighting must use full cut-off shielded fixtures to protect residential neighborhoods and the Ewa Plain's darker skies.
View full Ewa Gentry rules →Pearl City, HI
Honolulu County
Pearl City commercial, industrial, and recreational development must use full cut-off shielded fixtures under ROH 21-4.100, protecting residential neighborhoods and Pearl Harbor security lighting corridors.
View full Pearl City rules →Key Facts Comparison
| Fact | Ewa Gentry | Pearl City |
|---|---|---|
| - | - | |
| 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.
Ewa Gentry FAQ
Do Ewa Plain sports field lights qualify?
Outdoor recreational fixtures fall under the rule. Newly installed lighting must meet full cut-off shielding.
Does the rule cover residential porch lights?
The ordinance primarily targets commercial and recreational installations. Residential fixtures are addressed via nuisance.
Pearl City FAQ
Does the ordinance apply to Pearl City big-box retail?
Yes. Large commercial sites along Kamehameha Highway must install full cut-off shielded fixtures to eliminate light spill onto adjacent residential Pearl City.
Are military installation lights regulated?
JBPHH federal installations follow DoD lighting standards, not ROH 21-4.100. Surrounding private Pearl City development remains subject to the county ordinance.
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.
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