The Waterworks Class 1 Operator Contractor License allows you to do the conventional filtration or chemical coagulation with:
Login credentials emailed upon enrollment
Unlimited access (no time limits)
Step-by-step solutions to math problems
Below is all the information related to the trade exam, including the official reference lists.
This set of books includes all required references for the Waterworks Class 1 Operator exam. Orders placed before 2 PM are shipped the same day via UPS, and a tracking number is emailed before 3 PM.
Books Allowed in Testing