John Martin Reservoir
| John Martin Reservoir | |
|---|---|
View of the reservoir looking west from John Martin Dam (2014) | |
John Martin Reservoir John Martin Reservoir | |
| Location | Bent County, Colorado |
| Coordinates | 38°04′23″N 103°01′41″W / 38.07306°N 103.02806°W |
| Type | Reservoir |
| Primary inflows | Arkansas River |
| Primary outflows | Arkansas River |
| Catchment area | 18,915 sq mi (48,990 km2) |
| Basin countries | United States |
| Managing agency | U.S. Army Corps of Engineers |
| Built | 1939 |
| First flooded | January 1943 |
| Surface area | 11,658 acres (47.18 km2) |
| Average depth | 5–10 ft (1.5–3.0 m) |
| Max. depth | 60 ft (18 m) |
| Water volume | Full: 340,771 acre⋅ft (420,335,000 m3) Current (Dec. 2015): 224,000 acre⋅ft (276,000,000 m3) |
| Shore length1 | 22 mi (35 km) |
| Surface elevation | Full: 3,852 ft (1,174 m) Current (Dec. 2015): 3,840 ft (1,170 m) |
| Settlements | Caddoa, Hasty, Las Animas |
| 1 Shore length is not a well-defined measure. | |
John Martin Reservoir is a reservoir on the Arkansas River in Bent County in southeastern Colorado. Built and managed by the U.S. Army Corps of Engineers, it is used for flood control, irrigation, and recreation. John Martin Reservoir State Park lies on its shore.