OWP will be closed from 4:00 pm on Friday, December 20, 2024, until 8:00 am on Thursday, January 2, 2025, for Winter Break.
(All times are PST.)
For students in Canada: Due to the ongoing Canada Post strike, please use UPS or FedEx to return your scantrons for grading. You may take your exams online even if you received paper exams.
If exams are submitted: |
Course certificates will be mailed: |
By December 13th |
By December 20th |
After December 12th |
Early January |
Please note: Postmark dates will not be honored.
Water and Wastewater Terms Beginning W
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
water quality
Characteristics or parameters of water including physical (such as appearance, color, clarity, taste, and odor), chemical (such as organic matter and metals), biological (such as bacteria, viruses, and other pathogens), and radiological characteristics (such as any radioactive substances).