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Certification Level
Education
Experience
  
Limited
Minimal level of education is not required.
Minimal level of experience is not required.
  
Class I-OIT
High school diploma or GED is required. 
Experience is not required. 
  
Class I
High school diploma or GED is required. 
One year of acceptable operation of a wastewater treatment plan shall be required. 
  
Class II
High school diploma or GED is required. 
Two years of acceptable operation of a wastewater treatment plant shall be required. 
  
Class III
High school diploma or GED is required.
Three years of acceptable operation of a wastewater treatment plant with one year of that experience in a wastewater treatment plant with a design capacity greater than 50,000 gallons per day shall be required. 
  
Class IV
Baccalaureate in engineering, science or equivalent is required.
At least five years of acceptable operation of a wastewater treatment plant shall be required. Three years of the required experience shall be at a wastewater treatment plant with a design capacity greater than 2 million gallons per day.  At least two years of primary responsibility in a wastewater treatment plant with a design capacity greater than two 2 million gallons per day shall be required.