Glossary of Water and Wastewater Terms

A B C D E F G H I J K L M N O P Q R S T U V W Y Z Symbols and Numbers

5 random terms from our glossary

Accountability

When a manager gives power/responsibility to an employee, the employee ensures that the manager is informed of results or events.

R-Zoned

Areas established for residential occupancy.

Combined Available Chlorine

The total chlorine, present as chloramine or other derivatives, that is present in a water and is still available for disinfection and for oxidation of organic matter. The combined chlorine compounds are more stable than free chlorine forms, but they are somewhat slower in disinfection action.

Pretreatment Facility

Industrial wastewater treatment plant consisting of one or more treatment devices designed to remove sufficient pollutants from wastewaters to allow an industry to comply with effluent limits established by the US EPA General and Categorical Pretreatment Regulations or locally derived prohibited discharge requirements and local effluent limits. Compliance with effluent limits allows for a legal discharge to a POTW.

Destroyed Pipe

Pipe that has been damaged, decomposed, deflected, crushed, or collapsed to a point that it must be replaced.