Jim Anderson, Ph.D., is an emeritus professor at the University of Minnesota Department of Soil, Water and Climate 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.
Recently a colleague shared research he and others have been doing, looking for causes of and a solution to corrosion in concrete sewage tanks. As I have indicated in past columns, the common answer has been corrosion — particularly at the outlet baffle in septic tanks — is due to...
