waters caused considerable technical problems at times. Because of the Metro works, its seasonal flow through the Kerameikos cemetery was disrupted, as the waters were apparently and inadvertently redirected to some new underground path.

As of April 2007, the stream of the river, as it flows through Monastiraki Square, has been excavated. It had been covered with a brickwork tunnel since classical times, and the brickwork had been repaired at least twice, in the imperial Roman