Lighting Ordinances

A picture of the word "ordinance" in the dictionary.

Many people who become concerned about light pollution want to know what they can do to make a difference in their community. Beyond fixing your own lighting, one thing you can do is work to get an outdoor lighting ordinance adopted in your community.

Outdoor lighting ordinances or codes are a great tool for ensuring that municipalities implement good, safe outdoor lighting. A well-written ordinance, with proper lighting installed, will save the public money and increase safety. Thousands of cities have adopted such codes and they can be a great tool for a community to use to control light pollution, including glare, light trespass and skyglow. In 2011 IDA and the Illuminating Engineering Society of North America approved the Model Lighting Ordinance, an outdoor lighting template designed to help municipalities develop outdoor lighting standards that reduce glare, light trespass, and skyglow.

On this page, you’ll learn:

How to Identify if Your Community Has an Outdoor Lighting Ordinance

First, contact your local government directly and ask or check your city’s website to see if you can search its codes and ordinances.

If you can’t find the relevant codes and ordinances on the website, try your favorite Internet search engine and search using the city’s name along with the words “municipal code.” That should reveal where the city publishes its codes and ordinances.

Then, follow the link to where the city maintains its codes and search using terms such as “outdoor lighting,” “exterior lighting,” “light pollution” or “light trespass.”

Unrelated terms may show up in a search, such as regulations about sign lighting or lighting cigarettes, but if nothing related to outdoor lighting or light pollution turns up, it’s a good bet that your community doesn’t have an outdoor lighting code.

How to Ensure an Outdoor Lighting Ordinance is Enforced

If your community does have a lighting code, spend some time reading it and trying to understand what it does and doesn’t say. Look to see when it was adopted and if it has ever been revised. It may be that the code was adopted a while ago and needs to be updated.

Once you understand the requirements set out in the code, check it against the reality of the local nighttime environment. Even the best of codes don’t work if they aren’t being enforced.

Many towns and advocates think that the adoption of a code is the end of their efforts. Instead, it’s often merely the beginning. Continuing education is key. Otherwise, a community might forget why it even adopted the original code and how it helps its citizens. If that has happened, it may be necessary to reeducate local leaders and city staffers to make sure the code is enforced.

The details of code enforcement may or may not be spelled out in the outdoor lighting ordinance itself, so check the code to be sure. Many ordinances are complaint driven, but there are things to look out for before making a complaint about someone’s lighting.

  1. First, IDA recommends always having friendly neighborly discussions with lighting offenders before making a complaint to local government.
  2. Second, some codes have a grandfathering provision exempting lighting that was in place before the ordinance was passed. If your city has such a provision, many older lights may be exempt. There may be other exceptions or conditions in the code too, so be sure to look for those before making a complaint.

If a complaint is valid, then city officials might need to make a nighttime site visit to verify the claim. Often they’ll be reluctant to – that’s understandable as most of us don’t want to work beyond our normal work schedule.

Stick to the facts (rather than making an emotional appeal), but be persistent when discussing your concerns with city officials. Remember that while your city works for you, it’s likely that the code enforcement office has too much to do and not enough resources to get everything done at once.

IDA Can Help

IDA’s experienced staff of experts is on hand to contract with municipalities regarding their outdoor lighting plans.



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