: Foul odors near the tank, localized wet/soggy spots in the yard, or patches of exceptionally green grass. Ozzi Kleen Diagnosing the Clog Location
A clogged septic tank gives clear warnings. Ignoring them leads to catastrophe. clogged septic tank
: Sewage or water surfacing in toilets, sinks, or bathtubs, especially in lower levels. : Foul odors near the tank, localized wet/soggy