The Onsite Sewage Treatment Program (OSTP) at the University of Minnesota Water Resources Center conducted a brief study to understand more about the effect that coffee and soda beverages have on the functionality of a septic system.
Many septic professionals can agree that putting coffee grounds into a septic system is a bad practice and could negatively affect its function. Coffee grounds will not break down in a septic tank; they will build up over time and might cause the tank to have to be pumped more often. Also, because they are so acidic, they can compromise the pH of a
