Lakes / Massachusetts / Worcester County / The Quag
The Quag, Massachusetts
35 acres
Surface Area
20 ft
Max Depth
9 ft
Average Depth
Where It Sits, and How Deep It Goes
Locator - Massachusetts
42.42 degrees N, 71.77 degrees W - Worcester County. State and county outlines drawn from Census boundary data; the lake marker is placed by its Massachusetts Division of Fisheries and Wildlife coordinates, not by eye. Schematic - not a survey map.
Depth Profile - The Quag
Schematic cross-section drawn to one shared depth scale - not a survey or bathymetric map.
How The Quag Stacks Up
- Deeper than 43% of the 211 natural Massachusetts lakes ranked by depth.
- Larger than 23% of the 784 lakes counted in Massachusetts.
- A shallow lake - typical of most Massachusetts lakes, which run under 20 ft at their deepest.
- About 11 miles from Worcester, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| West Waushacum Pond | Worcester | 0.4 mi | 120 acres |
| East Waushacum Pond | Worcester | 1.2 mi | 190 acres |
| Wachusett Reservoir | Worcester | 3.1 mi | 4,041 acres |
| South Meadow Pond | Worcester | 3.3 mi | 36.57 acres |
| Mossy Pond | Worcester | 3.6 mi | 31.38 acres |
| Coachlace Pond | Worcester | 3.8 mi | 35 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About The Quag
How Big Is The Quag?
The Quag covers 35 acres in Worcester County, Massachusetts.
How Deep Is The Quag?
The Quag reaches 20 ft at its deepest. Its average depth is 9 ft.
What Is the Largest Lake in Worcester County?
Wachusett Reservoir is the largest lake in Worcester County, at 4,041 acres.
Deepest Natural Lakes in Massachusetts
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Walden Pond | Middlesex | 62 acres | 100 ft |
| 2 | Cliff Pond | Barnstable | 206 acres | 96 ft |
| 3 | Wallum Lake | Worcester | 322 acres | 81 ft |
| 4 | Onota Lake | Berkshire | 653 acres | 72 ft |
| 5 | Ashumet Pond | Barnstable | 220 acres | 69 ft |
All 211 Massachusetts lakes ranked by depth
Largest Lakes in Massachusetts
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Quabbin Reservoir | Franklin | 24,012 acres | - |
| 2 | Wachusett Reservoir | Worcester | 4,041 acres | - |
| 3 | Assawompset Pond | Plymouth | 2,652.37 acres | - |
| 4 | Watuppa Pond | Bristol | 1,758.37 acres | - |
| 5 | South Watuppa Pond | Bristol | 1,460 acres | 23 ft |
All 784 Massachusetts lakes ranked by surface area
Sources: Massachusetts Division of Fisheries & Wildlife lake data (ID 136864636). Verified October 30, 2026.