Location, size and invert elevation of any existing
sanitary or storm sewers, culverts and drainpipes; the location of
manholes, catch basins, hydrants, and electrical and communication
facilities, whether aerial or underground; and the location and size
of any existing water and gas mains with the exterior boundaries of
the plat or immediately adjacent tract thereto. If no sewers or water
mains are located on or immediately adjacent to the tract, the nearest
such sewers or water mains which might be extended to serve the tract
shall be indicated by their direction and distance from the tract,
size and invert elevations.