Maly Uzen
| Maly Uzen Kishi Uzen (Saryozen) Малый Узень / Кіші Өзен | |
|---|---|
View of the river at Novotulka | |
| Location | |
| Countries | Russia Kazakhstan |
| Physical characteristics | |
| Source | Obshchy Syrt |
| • coordinates | 51°22′59″N 48°19′05″E / 51.38306°N 48.31806°E |
| • elevation | ca 100 m (330 ft) |
| Mouth | Saryaydyn, Kamys-Samar Lakes |
• coordinates | 48°56′21″N 49°39′24″E / 48.93917°N 49.65667°E |
• elevation | −8 m (−26 ft) |
| Length | 638 km (396 mi) |
| Basin size | 18,250 km2 (7,050 sq mi) |
| Discharge | |
| • average | 3.4 to 782 cubic metres per second (120 to 27,620 cu ft/s) at Maly Uzen |
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Maly Uzen (Russian: Малый Узень) or Kishi Uzen (Kazakh: Кіші Өзен, Kıshı Özen; Tatar: Кече Үзән), also known as the Saryozen in Kazakhstan, is a river in Saratov Oblast of Russia and West Kazakhstan Province of Kazakhstan. It is 638 kilometres (396 mi) long, with a drainage basin of 18,250 square kilometres (7,050 sq mi), The river is part of the Kazakhstan–Russia border area.
The river is used for water supply and irrigation. Water quality tests conducted in 2005 in the Russian section indicated 'moderately polluted'. A 2011 report by the United Nations Economic Commission for Europe listed the discharge of wastewater, surface run-off, sediments and riverbank erosion as damaging to water quality.