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
saturated soil
Soil that cannot absorb any more liquid. The interstices or void spaces in the soil are filled with water to the point at which runoff occurs.
trickling filter
A treatment process in which wastewater trickling over media enables the formation of slimes or biomass, which contain organisms that feed upon and remove wastes from the water being treated.
impeller
A rotating set of vanes in a pump or compressor designed to pump or move water or air.
backwater gate
A gate installed at the end of a drain or outlet pipe to prevent the backward flow of water or wastewater. Generally used on stormwater collection outlets into streams to prevent backward flow during times of flood or high tide. Also called a tide gate. Also see check valve and flap gate.
cesspool
A lined or partially lined excavation or pit for dumping raw household wastewater for natural decomposition and percolation into the soil.
