The Cullman Wastewater Department will be smoke-testing sewer lines in the Katherine Street area on Thursday, June 20.

This smoke-testing procedure is used to detect problems in the sewer lines.

Residents or business owners may notice smoke in and around homes or businesses at this time. The liquid smoke is non-toxic. If you notice smoke in or around your home or business, you may call the Cullman Wastewater Department for more information at 256-775-7210.