<prompt> Best latrine for rural community isBore holeDug wellWater sealseptic tank  <response>: B Dug well Advantages of Dug well type of latrine are: It is easy to construct and no special equipment such as an auger is needed to dig the pit The pit has a longer life than the bore hole because of greater cubic capacity. A pit 75 cm 30 in. diameter and 3 to 3.5 m 10-12 ft. deep will last for about 5 years for a family of 4 to 5 persons. When the pit is filled up, a new pit is constructed. The action of the dug well latrine is the same as in the bore hole latrine, i.e., anaerobic digestion. 