JOHNSON CITY, Tenn. (WJHL) — Johnson City Water and Sewer crews will begin smoke testing on sanitary sewer lines throughout the city starting Sept. 8 and lasting through the end of the year. “Smoke ...

During smoke testing, harmless smoke will exit through vent pipes on the roofs of homes and through sewer line breaks. Smoke may also enter the home if the home’s private plumbing is defective or if ...

Smoke testing in Havelock began on March 31 and will continue for several weeks. This process is used to identify issues in the sewer system, per a release. This testing uses a non-toxic, odorless, ...

BRYAN, Texas (KBTX) - Smoke testing in southwest Bryan began this week, and is expected to continue throughout the month of August. Contractors with water services are testing sanitary sewer lines ...