Lakes / Colorado / Adams County / Smith Reservoir
Smith Reservoir, Adams County, Colorado
26 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Colorado
39.98 degrees N, 104.90 degrees W - Adams 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 Smith Reservoir Stacks Up
- Larger than 3% of the 778 lakes counted in Colorado.
- About 17 miles from Denver, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Eastlake Reservoir Number Three | Adams | 4.5 mi | 74 acres |
| North Star Reservoir | Weld | 4.7 mi | 25 acres |
| Ohio Lake Reservoir | Adams | 5.8 mi | 30 acres |
| McKay Lake | Broomfield | 6.3 mi | 65 acres |
| Barr Lake | Adams | 7.3 mi | 1,724 acres |
| Reservoir F | Adams | 8.7 mi | 28 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Smith Reservoir
How Big Is Smith Reservoir?
Smith Reservoir covers 26 acres in Adams County, Colorado.
What Is the Largest Lake in Adams County?
Barr Lake is the largest lake in Adams County, at 1,724 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 120653699). Verified October 30, 2026.