For those riding the Treatment Train for the first time, welcome aboard the systematic process of evaluating the components of an onsite wastewater treatment system. In our series so far, we have discussed the wastewater source, the septic tank, and the gravity soil treatment area (drainfield).
Now let’s look at a pump tank and its role in a pump-to-gravity system. There are many types of pump tanks, including lift stations, process tanks, recirculation tanks, surge/equalization tanks, internal pump basins, and dosing tanks. Dosing tanks may be either pump- or siphon-operated. Here we’ll look at the basic dosing pump tank typically used
