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Utility Locators

Important Information

Have you noticed small, brightly colored flags or paint markings in your yard and wondered what they’re for? These markings identify underground utility lines, and they are placed there to keep you and utility workers safe. Marking underground utilities is required by state law before any digging begins.

Utility Marking Colors Code

Each color represents a different type of underground utility:

  • Red – Electric
  • Yellow – Gas, Oil, or Steam
  • Orange – Communications
  • Blue – Water
  • Green – Sewer
  • Purple – Reclaimed Water
  • Pink – Temporary Survey Markings
  • White – Proposed Construction
View Color Code Card

Why is calling 811 is important?

Before digging on your property, homeowners and businesses must contact 811 to have underground utilities marked. This helps prevent accidental damage, service interruptions, costly repairs, and serious safety hazards.

  • Call at least two full working days in advance
  • The service is free
  • It helps protect utility lines, property, and lives

Learn more by visiting Indiana811.org.

Remember: Always call 811 before you dig! It’s the law, and it’s the safe thing to do.

Do you have questions or need assistance? Email dpw@whitestown.in.gov.