CAIRO — The late leader of Egypt’s dwindling and aging Jewish community was buried Thursday in one the oldest cemeteries in Egypt, the once-sprawling burial ground she tirelessly worked to restore but which has now suffered looting and is drenched in sewage water and strewn with trash.

Because of the sewage water that recently seeped up from underground, Carmen Weinstein, who died at the age of 82 in her Cairo home Saturday, was not buried near her mother Esther, but at the other end of the Jewish cemetery in the Bassatine district of Cairo....