Illinois Environmental Protection Agency  
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Wastewater Operator Certification

Exam Schedule and Study Guides

Exam Schedule
Study Guides
Class 1 (PDF, 103KB)
Class 2 (PDF, 102KB)
Class 3 (PDF, 104KB)
Class 4 (PDF, 99KB)
Operator-In-Training (PDF, 103KB)
Class K - Industrial (PDF, 83KB)
Collection System (PDF, 89KB)

For more information contact: Dianne Potter at 217-782-9720

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