Lakes / Massachusetts / Worcester County / West River Reservoir
West River Reservoir, Massachusetts
41.76 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Massachusetts
42.18 degrees N, 71.64 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.
How West River Reservoir Stacks Up
- Larger than 33% of the 784 lakes counted in Massachusetts.
- About 10 miles from Worcester, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Pratt Pond | Worcester | 2.1 mi | 41 acres |
| Fisherville Pond | Worcester | 2.7 mi | 37.65 acres |
| Carpenter Reservoir | Worcester | 3.7 mi | 78.09 acres |
| Lake Ripple | Worcester | 3.9 mi | 70 acres |
| North Pond | Worcester | 4.5 mi | 234 acres |
| Swans Pond | Worcester | 4.8 mi | 31.38 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About West River Reservoir
How Big Is West River Reservoir?
West River Reservoir covers 41.76 acres in Worcester County, Massachusetts.
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: USGS National Hydrography Dataset (The National Map) lake data (ID 123912803). Verified October 30, 2026.