Designed for operators taking the voluntary Class III/IV water operator course.
Introduction to Water Treatment – Grades 1 & 2 – January 2015
Detailed look at each state’s Water Operator certification programs.
Water Treatment Library
Designed for operators taking the voluntary Class III/IV water operator course.
Introduction to Water Treatment – Grades 1 & 2 – January 2015
Detailed look at each state’s Water Operator certification programs.