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Lakes / Louisiana / Grant County / Hardwater Lake

Hardwater Lake, Louisiana

511 acres
Surface Area
11 ft
Max Depth
3.5 ft
Average Depth

Where It Sits, and How Deep It Goes

Locator - Louisiana

Baton RougeShreveportHardwater LakeGrant Co.

31.52 degrees N, 92.29 degrees W - Grant County. State and county outlines drawn from Census boundary data; the lake marker is placed by its Louisiana Department of Wildlife and Fisheries coordinates, not by eye. Schematic - not a survey map.

Depth Profile - Hardwater Lake

0 ft - SurfaceAverage Depth - 3.5 ftMax Depth - 11 ft

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

How Hardwater Lake Stacks Up

Fish Species

Largemouth BassBlack CrappieFreshwater DrumBigmouth BuffaloBowfinGizzard ShadChain Pickerel

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

Lakes Nearby

LakeCountyDistanceSurface Area
Lehman LakeLa Salle1.9 mi123.36 acres
Middle PrairieRapides5.2 mi81.93 acres
Catfish PrairieGrant5.3 mi124.6 acres
Catahoula LakeLa Salle10 mi16,527.11 acres
Kisatchie LakeGrant10 mi104.27 acres
Lake BuhlowRapides15 mi204.3 acres

Straight-line distance between lake centers.

Facts and Figures

Waterbody ID59852733
CountyGrant
Coordinates31.5161, -92.2908

Questions About Hardwater Lake

How Big Is Hardwater Lake?

Hardwater Lake covers 511 acres in Grant County, Louisiana.

How Deep Is Hardwater Lake?

Hardwater Lake reaches 11 ft at its deepest. Its average depth is 3.5 ft.

What Fish Are in Hardwater Lake?

The LDWF lists Largemouth Bass, Black Crappie, Freshwater Drum, Bigmouth Buffalo, Bowfin, Gizzard Shad and Chain Pickerel for Hardwater Lake.

What Is the Largest Lake in Grant County?

Lake Iatt is the largest lake in Grant County, at 6,603 acres.

Deepest Natural Lakes in Louisiana

#LakeCountySurface AreaMax Depth
1False RiverPointe Coupee3,212 acres65 ft
2Vernon LakeVernon6 acres53 ft
3Lake ConcordiaConcordia1,026 acres50 ft
4Caney Creek ReservoirJackson4,738 acres43 ft
5Lake ProvidenceEast Carroll1,380 acres37 ft

All 27 Louisiana lakes ranked by depth

Largest Lakes in Louisiana

#LakeCountySurface AreaMax Depth
1Lake PontchartrainJefferson407,803.25 acres-
2Toledo Bend ReservoirSabine181,600 acres110 ft
3Lake MaurepasLivingston58,308.4 acres-
4Sabine LakeCameron56,867.74 acres-
5White LakeVermilion55,913.91 acres-

All 664 Louisiana lakes ranked by surface area

Sources: Louisiana Department of Wildlife & Fisheries lake data (ID 59852733). Verified October 30, 2026.