Lakes / Colorado / Weld County / Oklahoma Reservoir
Oklahoma Reservoir, Colorado
46 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Colorado
40.43 degrees N, 104.94 degrees W - Weld County. State and county outlines drawn from Census boundary data; the lake marker is placed by its USGS National Hydrography Dataset coordinates, not by eye. Schematic - not a survey map.
How Oklahoma Reservoir Stacks Up
- Larger than 39% of the 778 lakes counted in Colorado.
- About 33 miles from Boulder, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Equalizer Lake | Larimer | 3.5 mi | 86 acres |
| Houts Reservoir | Larimer | 3.6 mi | 66 acres |
| Windsor Lake | Weld | 4.6 mi | 169 acres |
| Boyd Lake | Larimer | 4.9 mi | 1,623 acres |
| Nelson Reservoir | Larimer | 4.9 mi | 40 acres |
| Heinricy Lake | Larimer | 5.5 mi | 43 acres |
Straight-line distance between lake centers.
Facts and Figures
Waterbody IDbf9c4476-65f8-44eb-8049-de52e4b44578
CountyWeld
Lake TypeLake
Coordinates40.4257, -104.9413
Questions About Oklahoma Reservoir
How Big Is Oklahoma Reservoir?
Oklahoma Reservoir covers 46 acres in Weld County, Colorado.
What Is the Largest Lake in Weld County?
Riverside Reservoir is the largest lake in Weld County, at 3,633 acres.
Largest Lakes in Colorado
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | John Martin Reservoir | Bent | 11,686 acres | - |
| 2 | Blue Mesa Reservoir | Gunnison | 8,944 acres | - |
| 3 | Lake Granby | Grand | 7,075 acres | - |
| 4 | Lake Meredith | Crowley | 5,539 acres | - |
| 5 | Adobe Creek Reservoir | Bent | 4,770 acres | - |
All 778 Colorado lakes ranked by surface area
Sources: USGS NHD (The National Map NHD MapServer layer 12) named waterbodies FTYPE 390/436; counties via Census point-in-polygon lake data (ID bf9c4476-65f8-44eb-8049-de52e4b44578). Verified October 30, 2026.