As all installers know, the purpose of the septic tank is to provide an environment for the first stage of treatment in onsite and decentralized wastewater systems by promoting physical settling, flotation and the anaerobic digestion of sewage. Additionally, the tank allows storage of both digested and undigested solids until they are removed.
So as homes are using less water, what is occurring in the septic tank?
The last comprehensive study of wastewater influent and septic tank effluent characteristics was published in 2009. This field study included quarterly monitoring (fall, winter, spring and summer) at 17 sites from three
