The Best Exam Prep Money Can Buy! ALL COURSES ARE AVAILABLE FOR PURCHASE AND STUDY YEAR-ROUND.  (CLICK HERE and read what our students are saying!) WWTT is currently delivering courses as a […]

Due to the Covid-19 pandemic, WWTT will deliver all exam prep classes in August and September, 2020, as a combination of high quality pre-recorded video lessons and live virtual class sessions with […]

This five-day course is directed towards operators-in-training (OITs), Grade I certified wastewater treatment plant operators, or other wastewater personnel who are planning to take the State of California Grade II […]