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Lakes / Massachusetts / Worcester County / Wallum Lake

Wallum Lake, Massachusetts

322 acres
Surface Area
81 ft
Max Depth
28 ft
Average Depth

Where It Sits, and How Deep It Goes

Locator - Massachusetts

BostonWorcesterWallum LakeWorcester Co.

42.01 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 - Wallum Lake

0 ft - SurfaceAverage Depth - 28 ftMax Depth - 81 ftA Typical Shallow Lake - Under 20 ft Deep

Schematic cross-section drawn to one shared depth scale - not a survey or bathymetric map.

How Wallum Lake Stacks Up

Fish Species

Largemouth BassSmallmouth BassChain PickerelYellow PerchBluegillPumpkinseedBrown BullheadYellow BullheadLandlocked AlewifeRainbow Smelt

Species recorded for this lake. Presence only - no abundance ratings.

Lakes Nearby

LakeCountyDistanceSurface Area
Badluck LakeWorcester2.8 mi96.12 acres
Whitin ReservoirWorcester4.3 mi358 acres
Lake ChaubunagungamaugWorcester4.5 mi1,278.52 acres
Stevens PondWorcester5.7 mi85 acres
Club PondWorcester5.8 mi25.7 acres
Manchaug PondWorcester6.3 mi375 acres

Straight-line distance between lake centers.

Facts and Figures

Waterbody ID123913308
CountyWorcester
Coordinates42.0080, -71.7678

Questions About Wallum Lake

How Big Is Wallum Lake?

Wallum Lake covers 322 acres in Worcester County, Massachusetts.

How Deep Is Wallum Lake?

Wallum Lake reaches 81 ft at its deepest. Its average depth is 28 ft.

What Fish Are in Wallum Lake?

The MassWildlife lists Largemouth Bass, Smallmouth Bass, Chain Pickerel, Yellow Perch, Bluegill, Pumpkinseed, Brown Bullhead, Yellow Bullhead, Landlocked Alewife and Rainbow Smelt for Wallum Lake.

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

#LakeCountySurface AreaMax Depth
1Walden PondMiddlesex62 acres100 ft
2Cliff PondBarnstable206 acres96 ft
3Wallum LakeWorcester322 acres81 ft
4Onota LakeBerkshire653 acres72 ft
5Ashumet PondBarnstable220 acres69 ft

All 211 Massachusetts lakes ranked by depth

Largest Lakes in Massachusetts

#LakeCountySurface AreaMax Depth
1Quabbin ReservoirFranklin24,012 acres-
2Wachusett ReservoirWorcester4,041 acres-
3Assawompset PondPlymouth2,652.37 acres-
4Watuppa PondBristol1,758.37 acres-
5South Watuppa PondBristol1,460 acres23 ft

All 784 Massachusetts lakes ranked by surface area

Sources: Massachusetts Division of Fisheries & Wildlife lake data (ID 123913308). Verified October 30, 2026.