Due to the Holiday schedule this year, Superior Signal will be closing early on 12/24/2025 and reopening on 1/5/2026. Orders to be shipped in 2025 must be placed as early as possible the week of 12/15/2025, or sooner. Last shipping day of the year will be Tuesday 12/23/25. Orders to be recorded as 2025 orders must be placed by end of day Monday 12/22/25. Shipping will resume the week of 1/5/2026.
Superior Smoke News
Sewer Testing
Sewer Smoke Testing
Find Sources of Inflow & Infiltration Fast!
Sewer smoke testing is the most cost effective method to find sources of surface water inflow & infiltration - the leading cause of wet weather SSO’s. Fast and easy to do, smoke testing produces immediate results that can be acted on quickly - often at minimal expense to the municipality.
Still today's industry standard, thousands of municipalities in all 50 States and around the world have used our method of sewer smoke testing with great success. Hundreds of millions of feet of sanitary sewer mains have been smoke tested using Superior® Smoke Candles, Smoke Blowers, & Smoke Fluid, eliminating countless faults - and the SSO’s that would result from them.
Common sources of sewer inflow & infiltration include:
