Outdoor Lighting Regulations

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On October 15, 2019, the Cottonwood Heights City Council adopted revised outdoor lighting regulations as part of the City Zoning Code as Chapter 19.77 - Outdoor Lighting

An outdoor lighting checklist for single-family homes has been created to help make the process of compliance straightforward and simple. This checklist does not apply to any other development types.  

Goals for Outdoor Lighting Regulations

Adequate nighttime lighting is important to allow human activity to safely continue after the sun goes down, but inappropriate lighting practices can result in:

•     light pollution 
•     light trespass 
•     glare 
•     poor lighting color increasing glare and affecting human health 
•     poor energy conservation 
•     impact on wildlife and natural ecosystems, and
•     creating skyglow.

These issues can reduce full enjoyment of private property rights, impair human health and safety, waste energy, and create a poor nighttime ambiance. This ordinance provides regulations that seek to mitigate the above noted issues. 

When Does This Ordinance Apply? 

  • All new structures, including new single-family homes. 
  • Any addition to a structure or land use. 
  • Replacing light bulbs. 

Repairing existing light fixtures does not apply. 

How to Find Appropriate Lighting Fixtures and Light Sources

Here are resources to help you select light fixtures that address light pollution issues:
Outdoor Lighting Basics
International Dark Sky Association Fixture Seal of Approval Program (some available at Home Depot).
Select Light Sources that Produce 3000 Kelvins or Less
What is a Kelvin?
Do It Yourself Good Lighting Practices
Tips for Working With Your Neighbor's Poor Lighting

Other Resources
Guidance & Best Practices - Dark Sky Planning: An Introduction for Local Leaders by the Utah Department of Housing & Community Development Office

The International Dark Sky Association provides much information on issues surrounding light pollution.