Lakes / Connecticut / Middlesex County / Pattaconk Reservoir
Pattaconk Reservoir, Connecticut
50.82 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Connecticut
41.41 degrees N, 72.53 degrees W - Middlesex 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 Pattaconk Reservoir Stacks Up
- Larger than 40% of the 363 lakes counted in Connecticut.
- About 22 miles from New Haven, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Turkey Hill Reservoir | Middlesex | 1.1 mi | 52.14 acres |
| Cedar Lake | Middlesex | 1.7 mi | 72.01 acres |
| Hidden Lake | Middlesex | 2.2 mi | 37.81 acres |
| Killingworth Reservoir | Middlesex | 3.2 mi | 80.06 acres |
| Waterhouse Pond | Middlesex | 3.5 mi | 47.43 acres |
| Tower Hill Lake | Middlesex | 3.9 mi | 28.33 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Pattaconk Reservoir
How Big Is Pattaconk Reservoir?
Pattaconk Reservoir covers 50.82 acres in Middlesex County, Connecticut.
What Is the Largest Lake in Middlesex County?
Pocotopaug Lake is the largest lake in Middlesex County, at 511.28 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 123014003). Verified October 30, 2026.