Jim Anderson, Ph.D., is an emeritus professor at the University of Minnesota Department of Soil, Water and Climate, education coordinator for the National Association of Wastewater Technicians, and recipient of the pumping industry’s Ralph Macchio Lifetime Achievement Award. Email Jim questions about septic system maintenance and operation at editor@pumper.com.
QUESTION: Why care about something like plastic microbeads?
ANSWER: The starting point in any discussion about the life span and effectiveness of individual sewage treatment systems is making sure effluent coming out of the septic tank does not exceed about 160 mg/L BOD and...
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