Interested in becoming a certified water operator or thinking about advancing from Grade 1 to Grade 2? The following courses can help prepare you:

• Grade 1A Small Water System Operator Introduction Course (offered twice a year)
• Basic Water Works Math (offered twice a year)
• Grade 1 Exam Prep Course (for Treatment and Distribution, offered twice a year)
• Grade 2 Distribution Exam Prep Course (spring)
• Grade 2 Treatment Exam Prep Course (fall)

Visit our Training Schedule and Registration page for more information about each course.

In-person Water Operator Certification Exams will be held on:

• April 23, 2024
• July 18, 2024 
• October 29, 2024

Applications must be received at NHDES 30 days prior to the exam date. NH Online Forms System – Application for Water Works Operator Certification. Version 1.5