Skip to Main Content

Sign In
Create Account

Notice:

As of January 16, 2023, pricing changes have taken effect. Please see our Pricing Change Information for details.

OWP will be closed from Friday, December 22, 2023, through Monday, January 1, 2024, for Winter Break.

If exams are submitted: Course certificates will be mailed:
Before December 19 Before December 23

After December 19 Early January

Water and Wastewater Terms Beginning C

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

chlorination (klor-uh-NAY-shun)

The application of chlorine to water or wastewater, generally for the purpose of disinfection, but frequently for accomplishing other biological or chemical results.