How does sewage flow?

Thanks to the mountainous topography the sewage of most parts of the city of Jerusalem flows by gravity to the sewage treatment plant.

The legal basis for Hagihon’s operations in the field of construction of infrastructure : In accordance with the related legal terms, e.g.“Instructions for sanitation facilities” (ISF) Hagihon is obliged to separate sewage systems from the drinking water network by maintaining a distance between of the two infrastructures