Glossary & Lingo

Water in its natural state, prior to any treatment. Usually the water entering the first treatment process of a water treatment plan

A pond, lake, basin, or other structure (natural or human-made) that stores, regulates, or controls water.

The amount of free and/or available chlorine remaining after a given contact time under specified conditions.

Risk, for the purposes of source assessments, is a factor generally defined as the probability (likelihood) that harm, injury or loss will occur to people or infrastructure, multiplied by the magnitude (consequence) of those hazards occuring.