WSO Water Systems Operations Series
Certified water operators are a crucial part of
providing an adequate and safe supply of water.
Water System Operations (WSO) materials are the
most relevant and up-to-date training materials for
operators who are trying to pass their certification
exams. The WSO brand focuses on providing a
variety of learning materials because we know
that everyone learns differently.
awwa.org/wso
Water Operator
Certification &
Advancement
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WSO Water Treatment, Grade 1
List $89 | AWWA Member $62
2016, Softcover, 430 pp.
Order No. 1940 ISBN 978-1-62576-123-1
WSO Water Distribution, Grades 1&2 WSO Water Treatment, Grade 2
List $89 | AWWA Member $62 List $99 | AWWA Member $74
2016, Softcover 2016, Softcover, 404 pp.
Order No. 1943 ISBN 978-1-62576-126-2 Order No. 1941 ISBN 978-1-62576-124-8
WSO Water Treatment, Grade 3&4 WSO Water Treatment, Grade 3&4
List $109 | AWWA Member $80 List $109 | AWWA Member $80
2016, Softcover 2016, Softcover
Order No. 1944 ISBN 978-1-62576-127-9 Order No. 1944 ISBN 978-1-62576-127-9
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