Lake Houston Water Level Today

Lake Houston is 98.0% full at 42.2 ft as of Oct 24, according to the Texas Water Development Board.

98.0%

Full, by conservation storage

42.2 ft

Elevation above sea level

0.2 ft

Below full pool of 42.4 ft

Today, 42.2 ftFull pool, 42.4 ftNormal, 42.1 ft

Since the day before

+0.02 ft

Last 7 days

+0.06 ft

Last 30 days

−0.10 ft

Compared with normal

At normal

Updated Oct 24 (daily average). Source: Texas Water Development Board. Normal is the median level for Oct 24 from 2006 to 2026. Elevations are in feet above NAVD88.

Lake Houston level history

30 days1 year10 years

Last 30 daysFull pool, 42.4 ft

Last 30 daysFull pool

This yearSame dates last yearFull pool, 42.4 ft

This yearSame dates last yearFull pool

One reading a weekFull pool, 42.4 ft

One reading a weekFull pool

Elevation in feet, one reading per day (one a week over 10 years). Source: Texas Water Development Board.

Common questions

Is Lake Houston full?

No. It is 98.0% full by conservation storage, 0.2 ft below its full pool elevation of 42.4 ft.

What is the lowest Lake Houston has been since 1996?

36.3 ft, in September 2011, in daily records back to July 1996.

What is the highest Lake Houston has been since 1996?

52.3 ft, in August 2017, in daily records back to July 1996.

How does today compare with a normal year?

It is right at the median level for Oct 24 across the stored record.

Is Lake Houston rising or falling?

Rising: it is up 0.06 ft over the last 7 days.

Records

Record high	52.3 ft	Aug 2017
Record low	36.3 ft	Sep 2011
This year's high	43.4 ft	Jul 2026
This year's low	40.9 ft	Apr 2026

Daily levels since July 1996. Source: Texas Water Development Board.

Lake facts

Operator	City of Houston
Dam	Lake Houston Dam
Full pool	42.4 ft
Conservation capacity	132,318 acre-ft
Surface area	12,240 acres
County	Harris

Full pool and capacity: Texas Water Development Board. Dam facts: U.S. Army Corps of Engineers, National Inventory of Dams.

Other lakes near Lake Houston

All Texas lakes

Lake	Percent full	Level	Change, 7 days	Updated
Lake Conroe	92.8%	199.5 ft	−0.12 ft	Oct 24
Livingston Reservoir	91.7%	129.2 ft	−0.19 ft	Oct 24
Somerville Lake	87.4%	236.3 ft	−0.25 ft	Oct 24
Sam Rayburn Reservoir	61.5%	153.1 ft	−0.31 ft	Oct 24
Lake Limestone	82.4%	360.0 ft	−0.15 ft	Oct 24
Toledo Bend Reservoir	84.6%	167.8 ft	−0.15 ft	Oct 24

Lake Conroe92.8% full Livingston Reservoir91.7% full Somerville Lake87.4% full Sam Rayburn Reservoir61.5% full Lake Limestone82.4% full Toledo Bend Reservoir84.6% full

All Texas lakes

LakeLevelToday is not an official warning source. For flood watches and warnings near Lake Houston, check the National Weather Service.