Lakes / Colorado / La Plata County / City Reservoir
City Reservoir, Colorado
40 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Colorado
37.54 degrees N, 107.60 degrees W - La Plata 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 City Reservoir Stacks Up
- Larger than 33% of the 778 lakes counted in Colorado.
- About 117 miles from Grand Junction, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Emerald Lake | Hinsdale | 8.3 mi | 284 acres |
| Rock Lake | Hinsdale | 8.4 mi | 29 acres |
| Balsam Lake | San Juan | 9.2 mi | 30 acres |
| Flint Lakes | Hinsdale | 9.9 mi | 33 acres |
| Vallecito Reservoir | La Plata | 10.0 mi | 2,603 acres |
| Lemon Reservoir | La Plata | 10 mi | 505 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About City Reservoir
How Big Is City Reservoir?
City Reservoir covers 40 acres in La Plata County, Colorado.
What Is the Largest Lake in La Plata County?
Vallecito Reservoir is the largest lake in La Plata County, at 2,603 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 82612346). Verified October 30, 2026.