Lakes / Maryland / Howard County / Centennial Lake
Centennial Lake, Maryland
46 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Maryland
39.24 degrees N, 76.86 degrees W - Howard 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 Centennial Lake Stacks Up
- Larger than 41% of the 78 lakes counted in Maryland.
- The largest lake in Howard County among those counted.
- About 14 miles from Baltimore, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Lake Kittamaqundi | Howard | 1.8 mi | 29 acres |
| Lake Elkhorn | Howard | 4.2 mi | 33 acres |
| Rocky Gorge Reservoir | Montgomery | 8.3 mi | 655 acres |
| Triadelphia Reservoir | Montgomery | 9.0 mi | 794 acres |
| Lake Ashburton | Baltimore | 11 mi | 25 acres |
| Piney Run Lake | Carroll | 13 mi | 281 acres |
Straight-line distance between lake centers.
Facts and Figures
Waterbody ID{5CC7FB3C-9435-451A-B618-B0569DDBAF9C}
CountyHoward
Lake TypeLake
Coordinates39.2421, -76.8572
Questions About Centennial Lake
How Big Is Centennial Lake?
Centennial Lake covers 46 acres in Howard County, Maryland.
What Is the Largest Lake in Howard County?
Centennial Lake is the largest lake in Howard County, at 46 acres.
Largest Lakes in Maryland
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Deep Creek Lake | Garrett | 3,679 acres | - |
| 2 | Liberty Lake | Carroll | 2,920 acres | - |
| 3 | Loch Raven Reservoir | Baltimore | 2,200 acres | - |
| 4 | Prettyboy Reservoir | Baltimore | 1,508 acres | - |
| 5 | Triadelphia Reservoir | Montgomery | 794 acres | - |
All 78 Maryland 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 {5CC7FB3C-9435-451A-B618-B0569DDBAF9C}). Verified October 30, 2026.