Tianjin Tianjia Lake

　　Introduction: Tianjia Lake is the highest-standard, fully enclosed, and entirely concrete-paved artificial lake in northern China. Its surrounding embankments are all constructed from reinforced concrete, standing 4.5 meters high (at Dagukou elevation 85 meters), including a 1-meter-high wave barrier. Located in Balitai Town, Jinnan District, Tianjin, Tianjia Lake was originally the Jinnan Reservoir. Construction began in October 1997 and was completed in December 1998, with a total investment of 170 million RMB. Including other infrastructure, the current investment has reached 280 million RMB. The lake covers an area of 7.8 square kilometers (11,735 mu), including a water surface area of 7.05 square kilometers (10,590 mu). The highest water level is at Dagukou elevation 7.0 meters, with a maximum water storage capacity of about 30 million cubic meters and a water depth of 4–8 meters. The lowest water level is at Dagukou elevation 4.65 meters, with a water volume of 13.15 million cubic meters and a water depth of 1.7 meters.

　　　　The planned development area of the Tianjia Lake Ecological Scenic Area is 12 square kilometers (18,000 mu), including 5 square kilometers (7,500 mu) of land area.

　　 Tianjin Jinnan District