WT3 (Water Treatment 3) - (A) acquires water from one or both of the following: (1) ground water, (2) purchase; (B) utilizes chemical feed; and (C) has one or more of the following: (1) pressure or gravity filtration; (2) lime soda softening; (3) reverse osmosis; (4) ion exchange processes if the population served is greater than 3,300; (5) inline filtration if the population served is greater than 3,300.Requirements: Must meet all the following: A.Education: All grades require a minimum of high school or its equivalent B.Experience: Hands-on operation in the class system applied for, as follows: DSS - 1 year, DSM -1 year, DSL - 1 year, WT1 - 1 year, WT2 - 1 year, WT3 - 2 years, WT4 - 2 years, WT5 - 3 years
