Hagihon Ltd. (Hebrew: הגיחון) is the municipal water and waste water works corporation for the city of Jerusalem, Israel. Since 2010, Hagihon also services the neighboring towns of Mevaseret Zion and Abu Gosh. Hagihon is Israel's largest water and sewage authority with a yearly budget of over 600 million shekels. Hagihon provides water and sewage services to ~1 million residents of the greater Jerusalem area including East Jerusalem, Mevaseret Zion and Abu Gosh, spanning 32,500 acres. Hagihon was one of the first large water works systems to install smart sensors for early detection of leaks.