Manholes are often the biggest source of inflow and infiltration in a sewer system, but aren't always part of routine sewer inspections. Manhole inspections should be included in every utility's inspection practices. Take our Manhole Inspections Quiz to test your knowledge on the subject.
What's Your Sewer IQ? Take Our Manhole Inspections Quiz
Posted by
Venay Sehgal Bhatia on May 30, 2018
