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In response to the ongoing health threat from COVID-19, the Office of Water Programs continues to work remotely and we have suspended in-person customer access to the office.

The Office of Water Programs continues to offer all of our products and services as we protect the health of our customers and staff through remote work and alternative work schedules. We strive to provide the same quality of service you've come to expect from OWP, but please allow more time to process orders and respond to requests and questions. We are not conducting in-person or walk-in business at our office, but we are taking orders and responding to requests and questions via phone and email.

We appreciate your continued patience as we continually adjust our operations to this unprecedented situation. We may be unable to answer our phones from time to time, but we will respond to voice messages as soon as possible. You may also contact us online.

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

5 random terms from our glossary

main sewer

A sewer line that receives wastewater from many tributary branches and sewer lines and serves as an outlet for a large territory or is used to feed an intercepting sewer. Also called trunk sewer.

joint

A connection between two lengths of pipe, made either with or without the use of another part.

true color

Color of the water from which turbidity has been removed.

flights

Scraper boards, made from redwood or other rot-resistant woods or plastic, used to collect and move settled sludge or floating scum.

lateral surface area

The area of all the sides but not the top and bottom of a solid object, such as a cube, cylinder, or cone.