Lakes / Connecticut / New Haven County / Old Naugatuck Reservoir
Old Naugatuck Reservoir, Connecticut
54.45 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Connecticut
41.48 degrees N, 73.00 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 Old Naugatuck Reservoir Stacks Up
- Larger than 44% of the 363 lakes counted in Connecticut.
- About 6 miles from Waterbury, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| New Naugatuck Reservoir | New Haven | 1.2 mi | 95.45 acres |
| East Mountain Reservoir | New Haven | 3.0 mi | 33.74 acres |
| Lake Bethany | New Haven | 4.8 mi | 101.14 acres |
| Seymour Reservoir Number Four | New Haven | 5.1 mi | 37.83 acres |
| Seymour Reservoir Number Two | New Haven | 5.3 mi | 34.57 acres |
| Towantic Pond | New Haven | 5.8 mi | 27.04 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Old Naugatuck Reservoir
How Big Is Old Naugatuck Reservoir?
Old Naugatuck Reservoir covers 54.45 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 122986155). Verified October 30, 2026.