Dark Sky Rules: Ewa Gentry vs Honolulu
How do dark sky rules rules compare between Ewa Gentry, HI and Honolulu, HI?
Honolulu 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 →Honolulu, HI
Honolulu County
Honolulu County's LUO 21-4.100 requires full cut-off shielded outdoor fixtures for commercial, industrial, and outdoor-recreational development to prevent direct illumination of nearby residential and resort districts, complementing state night sky policy.
View full Honolulu rules →Key Facts Comparison
| Fact | Ewa Gentry | Honolulu |
|---|---|---|
| - | - | |
| Code section | - | LUO 21-4.100 |
| Fixture type | - | Full cut-off shielded |
| Scope | - | Commercial, industrial, rec |
| Rooftop areas | - | Shielded beyond edge |
| State policy | - | HRS 201-8.5 |
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.
Honolulu FAQ
Do dark-sky rules apply to homes?
LUO 21-4.100 targets commercial, industrial, and outdoor-recreational development. Residential lighting is reached mainly through nuisance rules and shielding spillover requirements.
What is a full cut-off fixture?
A fixture that emits no light above the horizontal plane through the lamp, preventing upward glow and direct trespass onto adjacent properties.
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