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Southwest Fountain House Closer to the agora proper a row of five public buildings lined the south side of the square in the Classical period (Fig. 29, 36). They comprise several important monuments, though ... Southwest Fountain House Closer to the agora proper a row of five public buildings lined the south side of the square in the Classical period (Fig. 29, 36). ... A colonnade on two sides gave access to a large reservoir, the terminus of a long stone aqueduct that approached the building from the east, running under the south street. ... Figure 30. Model of the Southwest Fountain House, one of the largest in Athens, ca. 350–325 B.C.