Lake levels › Texas

Lake Houston water level today

At full pool

42.47ft

feet above sea level ·

percent full100.0%
vs full pool+0.1 ft
vs normal for Oct 10+0.4 ft
24 hours−0.03 ft
7 days−0.2 ft
30 days−0.1 ft
vs a year ago+0.3 ft

Is Lake Houston low right now?

Lake Houston was at 42.47 ft on October 10, 2026, 0.09 ft above its full pool of 42.4 ft. The conservation pool is 100.0% full (Texas Water Development Board). That is 0.42 ft above the typical level for October 10 — higher than in 9 of 10 past years. Over the past week the lake has been falling about 0.02 ft a day.

Last 12 monthsDaily level Normal range (10–90% of past years)Full pool
4141424344NovDecJanFebMarAprMayJunJulAugSepOct Full pool 42.4

Lake Houston on Oct 10 in past years

202542.3+0.2
202442.1+0.4
202342.1+0.3
202242.0+0.5
202142.6−0.1
202042.0+0.4

Level on the same date each year, and how today compares.

Daily levels, last two weeks

DateLevel (ft)Changevs full pool
Oct 1042.49−0.01+0.1
Oct 942.50−0.04+0.1
Oct 842.54+0.01+0.2
Oct 742.53+0.05+0.1
Oct 642.48+0.01+0.1
Oct 542.47−0.17+0.1
Oct 442.64−0.01+0.3
Oct 342.65+0.18+0.3
Oct 242.47+0.22+0.1
Oct 142.25+0.08−0.1
Sep 3042.17−0.02−0.2
Sep 2942.19−0.01−0.2
Sep 2842.20−0.02−0.2
Sep 2742.22−0.02−0.2

Daily means of the operator's readings (midnight to midnight, local time).

About Lake Houston

Full pool
42.4 ft (conservation pool)
10-year range
40.2 ft (March 27, 2018) to 52.4 ft (August 28, 2017)
Data
U.S. Geological Survey — USGS 08072000
Datum
NAVD88 (gage datum 0 ft + gage height)

Lakes near Lake Houston

Questions

Is Lake Houston low right now?

Lake Houston was at 42.47 ft on October 10, 2026, 0.09 ft above its full pool of 42.4 ft. The conservation pool is 100.0% full (Texas Water Development Board). That is 0.42 ft above the typical level for October 10 — higher than in 9 of 10 past years. Over the past week the lake has been falling about 0.02 ft a day.

What is full pool for Lake Houston?

Full pool (conservation pool) is 42.4 ft above sea level, per Texas Water Development Board. Levels above it mean the operator is storing flood water; levels below it are normal in late summer and winter drawdowns.

How often is the Lake Houston level updated?

The operator reports every 15 minutes to an hour. This page refreshes several times a day; the time of the latest reading is shown next to the level.

Where does this data come from?

U.S. Geological Survey (USGS 08072000). Readings are provisional and can be revised.