The suburb of Carrum is located on what was originally part of the Carrum Carrum swamp. The Carrum Carrum Swamp was drained in 1879 when the Patterson Cut (formed in 1876), and other drainage measures were undertaken to prevent flooding of the Eumemmering Creek, which overflowed into the Carrum Carrum Swamp. The swamp opening was mostly only open during the Winter months, so heavy Spring and Summer rains often caused flooding to properties on the edge of the swamp area. It also often caused flood damage as far north as Edithvale. The only remnants of the Carrum Carrum Swamp now form the Ramsar-listed Edithvale-Seaford Wetlands.