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Lake Profile

Chao (Chao-hu, Chaohu)

General Information

Description Chao's catchment has a dense network of rivers.
Country China
Latitude 31° 32' 0" (31.5333)
Longitude 117° 32' 0" (117.5333)

Physical Characteristics

Surface Area 700.00 km2
Depth Mean depth: 3.0 m
Maximum depth: 5.0 m
Origin River
Type Fresh


Economic Value
Major Cities

Watershed Management

Issues Phosphorus mines north of the lake are causing eutrophication. High levels of mercury, arsenic and other toxics havea been found in sediments and fish.
Other Issues Toxics
Specific Contaminants Industrial

Biodiversity Conservation

Species of Concern



ILEC Database


1/10/2003 - Relics from ancient city discovered in E. Chinese lake
4/16/2002 - East China's Anhui province to spend almost 5 billion yuan in the Lake Chaohu valley to reduce water pollution
1/4/2000 - China cleans up one of its biggest inland lakes

Additional Data Sources

Birkett, C., and I. Mason. 1995. A new global lakes database for remote sensing programme studying climatically sensitive large lakes. Journal of Great Lakes Research, 21 (3) 307-318.
International Lake Environment Committee, the United Nations Environment Program and Environment Agency, Government of Japan. 1997. World Lakes Database.
Munawar, M. And R. Hecky. 2001. The Great Lakes of the World (GLOW) Food-web, Health & Integrity. Backhuys Publishers, The Netherlands.

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