Cistern System #3: West Chamber at 69/ΛΣΤ, joined by a crooked passage to 69/Λ. Under the southwest corner of the Hellenistic Building to the north of the Temple of Hephaistos. Upper fill of early 1st ... 175-125 B.C.
Within the precinct of the Hephaisteion, about 10m. north of the north stylobate of the temple.
Flask-shaped pit (W. (bottom) 3.14 x 2.73m) probably originally intended as a cistern; used for dumping ... Ca. 375-310 B.C.-Byzantine