Dark Sky Rules: Marana vs Sahuarita
How do dark sky rules rules compare between Marana, AZ and Sahuarita, AZ?
Marana and Sahuarita have similar restriction levels.
Marana, AZ
Pima County
Marana follows Pima County outdoor lighting code standards designed to protect dark skies and support astronomical observation. All outdoor lighting must be fully shielded and directed downward. Pima County dark-sky rules are among the strictest in the nation.
View full Marana rules →Sahuarita, AZ
Pima County
Sahuarita has adopted dark sky outdoor lighting regulations to protect astronomical observation and the natural nighttime environment. All new and replacement outdoor lighting must use fully shielded fixtures directed downward to minimize light pollution.
View full Sahuarita rules →Key Facts Comparison
| Fact | Marana | Sahuarita |
|---|---|---|
| Shielding | Full cutoff required (all fixtures) | - |
| Mercury Vapor | Prohibited | Prohibited |
| Lumens/Acre | Limited by zone and observatory proximity | - |
| Reason | Kitt Peak and regional observatories | - |
| County Authority | Pima County Outdoor Lighting Code | - |
| Fixture Requirement | - | Fully shielded, downward directed |
| Observatory Protection | - | Kitt Peak approximately 50 miles west |
| Color Temperature | - | 3000K or lower preferred |
| Holiday Lighting | - | Temporarily exempt |
Highlighted rows indicate differences between cities.
Marana FAQ
Does Marana have dark sky lighting rules?
Yes. Pima County dark-sky regulations apply in Marana, requiring all outdoor lighting to be fully shielded and directed downward. Mercury vapor fixtures are prohibited.
Why are Marana lighting rules so strict?
The Pima County region hosts Kitt Peak National Observatory and other astronomical facilities. Dark-sky rules protect scientific observation and reduce light pollution.
Sahuarita FAQ
What kind of outdoor lights are allowed in Sahuarita?
All outdoor lighting must be fully shielded with the light directed downward. No light should be visible above the horizontal plane of the fixture. Choose warm-spectrum LED fixtures at 3000K color temperature or lower.
Why does Sahuarita have dark sky rules?
Southern Arizona hosts world-class astronomical observatories including Kitt Peak, about 50 miles west. Dark sky regulations across Pima County protect the nighttime environment for both scientific observation and quality of life.
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