To control the seasonal floods of the Kor River and store its water, a dam called Mulla Sadra has been built on it. This dam is located about 175 km north of Shiraz and near the city of Sedeh.
Dorodzan Dam Lake is one of the largest lakes in Fars province, which has caused a great boom in agriculture in the region with abundant water storage.
Before entering Khuzestan province, Karun river is known as Bazoft. Shortly before the Karun 4 dam, the Khersan river crosses the Bazoft river to form the massive Karun river.