Lakes / Connecticut / New Haven County / Ansonia Reservoir
Ansonia Reservoir, Connecticut
36.51 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Connecticut
41.32 degrees N, 73.07 degrees W - New Haven 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 Ansonia Reservoir Stacks Up
- Larger than 22% of the 363 lakes counted in Connecticut.
- About 8 miles from New Haven, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Coe Pond | New Haven | 2.4 mi | 34.67 acres |
| Peat Swamp Reservoir | New Haven | 3.5 mi | 65.32 acres |
| Konolds Pond | New Haven | 5.1 mi | 76.11 acres |
| Trap Falls Reservoir | Fairfield | 5.3 mi | 300.85 acres |
| Lake Wintergreen | New Haven | 5.8 mi | 44.48 acres |
| Lake Dawson | New Haven | 5.9 mi | 47.2 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Ansonia Reservoir
How Big Is Ansonia Reservoir?
Ansonia Reservoir covers 36.51 acres in New Haven County, Connecticut.
What Is the Largest Lake in New Haven County?
Lake Gaillard is the largest lake in New Haven County, at 1,090.97 acres.
Largest Lakes in Connecticut
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Lake Candlewood | Fairfield | 5,127.26 acres | - |
| 2 | Barkhamsted Reservoir | Litchfield | 2,231.71 acres | - |
| 3 | Lake Lillinonah | Litchfield | 1,531.02 acres | - |
| 4 | Lake Gaillard | New Haven | 1,090.97 acres | - |
| 5 | Bantam Lake | Litchfield | 953.89 acres | - |
All 363 Connecticut lakes ranked by surface area
Sources: USGS National Hydrography Dataset (The National Map) lake data (ID 122943926). Verified October 30, 2026.