Lake Humphreys
| Lake Humphreys | |
|---|---|
| Location | Stephens County, Oklahoma | 
| Coordinates | 34°35′31″N 97°53′38″W / 34.592°N 97.894°W | 
| Type | reservoir | 
| Primary inflows | Wildhorse Creek | 
| Primary outflows | Wildhorse Creek | 
| Basin countries | United States | 
| Built | 1957 | 
| Average depth | 40 feet (12 m) | 
| Water volume | 14,041 acre-foot (17,319,000 m3) | 
| Shore length1 | 16.1 miles (25.9 km) | 
| Surface elevation | 1,178 ft (359 m) | 
| Settlements | Duncan, Oklahoma | 
| 1 Shore length is not a well-defined measure. | |
Lake Humphreys is a reservoir located northeast of the city of Duncan, Oklahoma, United States. It was created in 1958 with an earthen dam. Its normal capacity is 14,041 acre-feet (17,319,000 m3) of water with an average depth of 40 feet (12 m). The lake covers 882 acres (3.57 km2) encompassed by 16.1 miles (25.9 km) of shoreline. The lake is operated by the city of Duncan.