Welcome back to TPO magazine's Exam Study Guide Series, which offers a pair of water/wastewater study questions with in-depth explanations of the answers. Last time, we covered a set of wastewater and drinking water treatment questions on the topics of pH Fluctuations and Radium MCLs. This time you can test your knowledge about MBR treatment and Consumer Confidence Reports.
Wastewater Treatment Sample Question
What are the two methods or operational modes of membrane biologic reactor treatment units?
A. Inner and outer
B. Serial and parallel
C. Over and under
D. Internal and sidestream
Water Treatment Sample Question
Starting in 2027, community water systems serving 10,000 or more people must distribute a Consumer Confidence Report _______ per year.
A. Once
B. Twice
C. Three Times
D. Four Times
To see answers for both of the above questions, click this link.
About the authors: Rick Lallish is the Water Pollution Control program director at the Environmental Resources Training Center of Southern Illinois University-Edwardsville. He provides training for entry-level operators in the wastewater field and operators throughout the state looking to further their education. Lallish was also named the 2017 Illinois Operator of the Year and 2018 president of the Illinois Association of Water Pollution Control Operators.
Drew Hoelscher is the program director of drinking water operations at the Environmental Resources Training Center in Edwardsville, Illinois.
