Glossary of Water and Wastewater Terms

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5 random terms from our glossary

standard deviation (S)

A mathematical measure of the spread or dispersion of data or measurements.

alkaline (AL-kuh-line)

The condition of water or soil containing an amount of alkali substances sufficient to raise the pH above 7.0. Also see base (1).

grease buildup

Any point in a collection system where coagulated and solidified greases accumulate and build up. Many varieties of grease have high adhesive characteristics and collect other solids, forming restrictions and stoppages in collection systems.

notice

This word calls attention to information that is especially significant in understanding and operating equipment or processes safely. Also see caution, danger, and warning.

vegetable wastes

Vegetable matter entering a collection system. This term is usually used to distinguish such types of waste from animal, industrial, commercial, and other types of waste solids.