Problem: Chewonki, an internationally recognized environmental education nonprofit focused on nature-based education and stewardship in Wiscasset, Maine, wanted to reduce or eliminate pumping frequency of its grease interceptor and the downstream septic system while also lessening loading to its leachfields. The grease interceptor was sending significant FOG to the septic system, creating a very thick and hard buildup of biosolids when mixed with the black and grey water, resulting in a thick biomat that was hard to pump out. Solution: IMET installed two aerobic biological Grease Interceptor Modules directly into the grease interceptor to pretreat the grease interceptor waterbody before discharging to
