The San Antonio Water System is using a process called smoke testing to check for leaks in sewer lines on about 63,000 private properties in the Edwards Aquifer Recharge Zone. The city-owned utility ...

From Nov. 18 through Dec. 4 contractors with the city of Greensboro are conducting sewer line smoke testing.During testing, a non-toxic smoke is introduced into manholes and eventually flows into ...

Smoke testing in sewer lines ...

Crews will not need to enter homes, but if the sewer lines are within the easement of a resident’s property, they may need access to the manholes and underground lines. No digging will be needed ...

SUFFOLK, Va. (WAVY) — Suffolk plans to start “smoke testing” sewer lines beginning in April. Smoke testing involves injecting opaque-colored smoke through the sanitary sewer pipes to locate and ...