IL Water WW Operator Practice Questions - Illinois Water Wastewater Operator Certification Exam

What certification classes does Illinois offer for wastewater operators?

Only Class 1 Class 1, 2, 3, 4, and Class K (facility-specific industrial) Only Class A and B Classes I through X

Correct Answer:

Class 1, 2, 3, 4, and Class K (facility-specific industrial)

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