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Lakes / Massachusetts / Middlesex County / Fitchburg Reservoir

Fitchburg Reservoir, Massachusetts

153 acres
Surface Area
23 ft
Max Depth
14 ft
Average Depth

Where It Sits, and How Deep It Goes

Locator - Massachusetts

BostonWorcesterFitchburg ReservoirMiddlesex Co.

42.65 degrees N, 71.84 degrees W - Middlesex 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 - Fitchburg Reservoir

0 ft - SurfaceAverage Depth - 14 ftMax Depth - 23 ft

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

How Fitchburg Reservoir Stacks Up

Fish Species

Largemouth BassChain PickerelBlack CrappieYellow PerchBrown BullheadBluegillPumpkinseedGolden Shiner

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

Lakes Nearby

LakeCountyDistanceSurface Area
Ashby ReservoirMiddlesex1.0 mi37.54 acres
Stodge Meadow PondWorcester2.3 mi124.79 acres
Lovell ReservoirWorcester2.4 mi36.87 acres
Scott ReservoirWorcester2.6 mi35.61 acres
Ward PondMiddlesex3.0 mi54.12 acres
Winnekeag LakeWorcester3.0 mi112.43 acres

Straight-line distance between lake centers.

Facts and Figures

Waterbody ID{edd07ff4-40df-4799-9f98-616aed7f946c}
CountyMiddlesex
Coordinates42.6490, -71.8436

Questions About Fitchburg Reservoir

How Big Is Fitchburg Reservoir?

Fitchburg Reservoir covers 153 acres in Middlesex County, Massachusetts.

How Deep Is Fitchburg Reservoir?

Fitchburg Reservoir reaches 23 ft at its deepest. Its average depth is 14 ft.

What Fish Are in Fitchburg Reservoir?

The MassWildlife lists Largemouth Bass, Chain Pickerel, Black Crappie, Yellow Perch, Brown Bullhead, Bluegill, Pumpkinseed and Golden Shiner for Fitchburg Reservoir.

What Is the Largest Lake in Middlesex County?

Whitehall Reservoir is the largest lake in Middlesex County, at 620 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 {edd07ff4-40df-4799-9f98-616aed7f946c}). Verified October 30, 2026.