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
recycle
The use of water or wastewater within (internally) a facility before it is discharged to a treatment system. Also see reuse.
vector
An insect or other organism capable of transmitting germs or other agents of disease.
precious metal
Metal that is very valuable, such as gold or silver.
receiving water
A stream, river, lake, ocean, or other surface or groundwaters into which treated or untreated wastewater is discharged.
hydraulic grade line (HGL)
The surface or profile of water flowing in an open channel or a pipe flowing partially full. If a pipe is under pressure, the hydraulic grade line is that level water would rise to in a small, vertical tube connected to the pipe. Also see energy grade line.