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Natural Night Sky

The Town of Blue River recognizes the importance of maintaining a natural mountain environment.  To that end, the Board of Trustees have adopted a Natural Night Skies ordinance.  The ordinance applies to all new construction, additions, remodels and changes occurring after August 1, 2020.  While the ordinance is comprehensive it is not designed to be completely "dark sky" compliant.  It is the goal of the Town of Blue River to provide information and resources for homeowners to work towards the long term goal of being a dark skies community.

Additional Resources:

International Dark-sky Association Colorado - IDA Colorado chapter

 

Educational Videos to better understand dark skies, light pollution and it's effects on our environment. 

Losing the Dark - Flat Screen Version - YouTubehttps://www.darksky.org/our-work/grassroots-advocacy/resources/losing-the-dark/

https://www.youtube.com/watch?v=TVAB1lT-sWw

 

 

Five Principles for Responsible Outdoor Lighting

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Source: www.darksky.org

Useful-All light should have a clear purpose

Before installing or replacing a light, determine if light is needed.  Consider how the use of light will impact the area, including wildlife and the environment.  Consider using reflective paints or self-luminous markers for signs, curbs, and steps to reduce the need for permanently installed outdoor lighting.

Targeted-Light should be directed only to where needed

Use shielding and careful aiming to target the direction of the light beam so that it points downward and does not spill beyond where it is needed.

Low Light Levels-Light should be no brighter than necessary

Use the lowest light level required.  Be mindful of surface conditions as some surfaces may reflect more light into the night sky than intended.

Controlled-Light should be used only when it is useful

Use controls such as timers or motion detectors to ensure that light is available when it is needed, dimmed when possible, and turned off when not needed.

Color-Use warmer color lights where possible

Limit the amount of shorter wavelength (blue violet) light to the least amount needed.

Proper/Improper Lighting

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Proper
Improper
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Fixtures