长潭水库位于浙江省黄岩县永宁江上游,1958年兴建,1964年完工并开始养鱼。集雨面积441.3平方公里,养鱼面积3万亩,平均水深12米,是一座以灌溉为主,防洪、发电、养鱼等综合利用的大型水库。长潭水库库湾少,敞水区大,库宽一般在1,500米以上。年平均放养3.6寸左右的鲢、鳙鱼种 Located in the upper reaches of the Yongning River in Huangyan County, Zhejiang Province, the Changtan Reservoir was built in 1958 and completed in 1964 and started fish farming. Rainfall area of ​​441.3 square kilometers, 30000 acres of fish culture, the average depth of 12 meters, is a mainly irrigation, flood control, power generation, fish and other comprehensive utilization of large reservoirs. Changtan Reservoir Bay less open-water area, warehouse width is generally more than 1,500 meters. The average annual stocking of about 3.6 inches of silver carp, bighead carp species