The raised elevation on which the city of Jerusalem was built dropped away quite sharply at its southern end. The Dung Gate was located on the southern edge of the city, where garbage and refuse could easily be removed from the city and dropped down the mountainside to the Hinnom Valley below. The implication is that the stones that once formed this gate had to be retrieved from some distance down the slope.
14 Malchijah the son of Rechab, ruler of the district of Beth-haccherem, repaired the Dung Gate. He rebuilt it and set its doors, its bolts, and its bars.