Glossary of Water and Wastewater Terms
A B C D E F G H I J K L M N O P Q R S T U V W Y Z5 random terms from our glossary
plan
A drawing or photo showing the top view of sewers, manholes, streets, or structures.
television inspection
An inspection of the inside of a collection system pipe made by pulling a closed-circuit television camera through the pipe.
turbidity units (TU)
A measure of the cloudiness of water. If measured by a nephelometric (deflected light) instrumental procedure, turbidity units are expressed in nephelometric turbidity units (NTU) or simply TU.
sewer jack
A device placed in manholes that supports a yoke or pulley that keeps wires or cables from rubbing against the inlet or outlet of a wastewater collection pipe.
aerobic decomposition (air-o-bick)
The decay or breaking down of organic material in the presence of free or dissolved oxygen (DO).
