Glossary of Water and Wastewater Terms

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5 random terms from our glossary

Sewerage

System of piping with appurtenances for collecting, moving, and treating wastewater from source to discharge.

Pretreatment Inspector

A person who conducts inspections of industrial pretreatment facilities to ensure protection of the environment and compliance with general and categorical pretreatment regulations. Also called an industrial pretreatment (waste) inspector.

Header

A large pipe to which the ends of a series of smaller pipes are connected. Also called a manifold.

Percolating Water (PURR-ko-lay-ting)

Water that passes through soil or rocks under the force of gravity.

Bedding Compaction

Tamping, rolling, or otherwise mechanically compressing material used as bedding for a pipe or other underground structure to a density that will support expected loads. Can be expressed as a percentage of the maximum load capacity of the bedding material or in pounds per square foot (kg per square meter).