AWWA\'s Water System Operations (WSO) series is the leading operator certification training, aligned with current Association of Boards of Certification (ABC) Need-to-Know criteria and offering training based on experience and certification level.
Other chapte.
Chapters discuss regulations, operator math and chemistry, and specific Distribution processes in detail.
WSO Water Distribution, Grades 3 & 4, is organized into 13 chapters addressing core test content on certification exams.
AWWA\'s Water System Operations (WSO) series is the leading operator certification training, aligned with current Association of Boards of Certification (ABC) Need-to-Know criteria and offering training based on experience and certification level