Glossary of Water and Wastewater Terms

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5 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.

fluidize (FLOO-id-ize)

Cause a mass of solid particles to flow like a liquid by injection of water or gas. In water and wastewater treatment, a bed of filter media is fluidized by backwashing water through the filter.

hydraulic population equivalent

A flow of 100 gallons (378 liters) per day is the hydraulic or flow equivalent to the contribution or flow from one person. Population equivalent = 100 GPCD or gallons per capita per day (378 LPCD or liters per capita per day).

polysaccharide (poly-SAC-uh-ride)

A carbohydrate, such as starch or cellulose, composed of chains of simple sugars.

effective soil depth

The depth of soil in the leach field trench that provides a satisfactory percolation area for the septic tank effluent.