Big Tank, Webb County, Texas

25.45 acres

Surface Area

Where It Sits, and How Deep It Goes

Locator - Texas

27.75 degrees N, 99.56 degrees W - Webb County. State and county outlines drawn from Census boundary data; the lake marker is placed by its Texas Parks and Wildlife Department coordinates, not by eye. Schematic - not a survey map.

How Big Tank Stacks Up

Larger than 1% of the 1,641 lakes counted in Texas.
About 133 miles from San Antonio, as the crow flies.

Lakes Nearby

Lake	County	Distance	Surface Area
Middle Pasture Lake	Webb	7.9 mi	122.32 acres
Chupahueso Lake Number 2	Webb	12 mi	26.67 acres
Jefferies Tank	Webb	13 mi	31.63 acres
Spohn Ranch Lake	Webb	15 mi	104.96 acres
Lake Casa Blanca	Webb	16 mi	1,680 acres
Link Lake Number 1	Webb	23 mi	42.48 acres

Straight-line distance between lake centers.

Facts and Figures

Waterbody ID96842548

CountyWebb

Coordinates27.7471, -99.5595

Questions About Big Tank

How Big Is Big Tank?

Big Tank covers 25.45 acres in Webb County, Texas.

What Is the Largest Lake in Webb County?

Lake Casa Blanca is the largest lake in Webb County, at 1,680 acres.

Deepest Natural Lakes in Texas

#	Lake	County	Surface Area	Max Depth
1	Amistad Reservoir	Val Verde	64,900 acres	217 ft
2	Comanche Creek Reservoir	Pecos	3,272 acres	125 ft
3	Belton Lake	Bell	12,385 acres	124 ft
4	O. H. Ivie Reservoir	Concho	19,149 acres	119 ft
5	Stillhouse Hollow Lake	Bell	6,429 acres	107 ft

All 107 Texas lakes ranked by depth

Largest Lakes in Texas

#	Lake	County	Surface Area	Max Depth
1	Toledo Bend Reservoir	Sabine	181,600 acres	110 ft
2	Sam Rayburn Reservoir	San Augustine	114,500 acres	80 ft
3	Lake Livingston	San Jacinto	90,000 acres	77 ft
4	Falcon Reservoir	Zapata	80,555.4 acres	-
5	Amistad Reservoir	Val Verde	64,900 acres	217 ft

All 1,641 Texas lakes ranked by surface area

Sources: USGS National Hydrography Dataset (The National Map) lake data (ID 96842548). Verified October 30, 2026.