Sorbulak (Kazakh: Сорбұлақ) is a lake in Ile District, Almaty Region, Kazakhstan.

[2] Along with a group of neighboring small lakes to the east, it collects sewage and industrial waste from the city.

The lake formed in the period between 1975 and 1985, at the time of the Kazakh SSR government, following an official decision implemented in 1969.

[citation needed] Sorbulak is a lake located at the confluence of the Kurty and Kaskelen rivers in southeastern Kazakhstan.

The bottom of the lake has a 1.5 meters (4 ft 11 in) thick layer of silt containing metals, including iron, copper, zinc, cadmium and lead.