California Grade D4 Water Treatment Operator License Upgrade


Our California approved 36-hour Water Distribution Specialized training qualifies you to take the D4 Water Distribution Operator exam.  Plus get 50% off our guaranteed exam prep system and pass your California D4 Water Distribution Operator Certification exam the first time.  A $150 value!

Water Transmission and Distribution II

Distribution Exam Preparation Grade 4

Pass your test the first time! No stress.  No worry. This course will prepare you to pass your supervisor level distribution operator exam with confidence and set you apart in a successful and satisfying career in water distribution. There are 32 individual lesson modules included in this course.