Glossary of Water and Wastewater Terms

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5 random terms from our glossary

soap cake

A combination of detergents and greases that accumulate in wastewater collection systems, build up over a period of time, and may cause severe flow restrictions. Also called soap buildup.

compaction test

Any method of determining the weight a compacted material is able to support without damage or displacement. Usually stated in pounds per square foot (kilopascals, kPa).

cryogenic (KRY-o-JEN-nick)

Very low temperature. Associated with liquefied gases (liquid oxygen).

drainage wells

Wells that can be pumped to lower the groundwater table and prevent ponding.

salt

A compound that, upon dissociation, yields cations (positively charged) of a metal, and anions (negatively charged) of an acid radical.