Coralville Lake
| Coralville Lake | |
|---|---|
Coralville Dam on June 15, 2008, with the main control gates fully opened, and water flowing over the concrete emergency spillway (left) at about 5 ft (1.5 m) deep | |
| Location | Johnson County, Iowa, U.S. |
| Coordinates | 41°43′28″N 91°31′47″W / 41.72444°N 91.52972°W |
| Type | reservoir |
| Primary inflows | Iowa River |
| Primary outflows | Iowa River |
| Catchment area | Upper Mississippi River |
| Basin countries | United States |
| Water volume | 461,200 acre⋅ft (568,900,000 m3) |
Coralville Lake is an artificial lake in Johnson County, Iowa, United States, formed by the Coralville Dam, a dam built from 1949 to 1958 on the Iowa River upstream from the city of Coralville, Iowa.