Do I need a permit to dig? - What do the colored flags/markings in my yard mean?
Call 811 Before You Dig!
Safe digging is everyone's responsibility. But when someone takes shortcuts, weekend projects can lead to internet and cable outages, injuries, and sometimes worse.
That's why it's important (and required by law) to have buried utilities in your yard located and marked before you dig.
Click the following for more information: Call 811 before you dig or visit the Sunshine811 FAQs.
What do the Colors Mean?
Underground facilities are marked according to APWA Uniform Color Codes.
The chart below shows the colors and their designated facilities:
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Updated 3/3/2026 10:43 AM