top of page
logo

The Community Built for Water and Wastewater Professionals

Find jobs. Pass your exam. Grow your career. All in one place.

Get Your Free Certification Study Guide

Preparing for your certification? These free practice exams are built specifically for water and wastewater operators working hard to get that certification! Each practice exam contains 25 multiple choice math problems, full step-by-step answer key, and a formula reference sheet you can keep for your own use.

What you get: Water Operator Practice Exam

25 math problems covering flow rate, tank volume, chlorination, chemical dosing, pressure and head.

What you get: Wastewater Operator Practice Exam

- 25 math problems covering BOD loading, TSS and solids, clarifier rates, detention times, and effluent disinfection.

Step-step-by-step answer keys for every question.

Formula reference sheet that you can print and keep.

Enter your name and email below-

We'll send you free downloads instantly

Industry Opportunities

Find your next career move in water and wastewater operations. Connect with top facilities across the nation looking for dedicated professionals.

NEW YORK, NY | FULL-TIME

Coming Soon

AUSTIN, TX | CONTRACT

Coming Soon 

DENVER, CO | FULL-TIME

Coming Soon

CHICAGO, IL | FULL-TIME

Coming Soon

Latest from the Blog

Maintaining Operational Peak: Infrastructure Modernization Strategies

Learn how current water and wastewater operators are navigating the challenges of aging systems while implementing 2026 safety and efficiency protocols.

bottom of page