Lake Austin at Austin water level — Texas
Lake Austin at Austin in Texas was last measured at 492.79 ft (datum NAVD88), as of Aug 31, 2026, 3:10 AM (UTC-05:00) (USGS Water Services). Over its recent trend window the level has been rising (+0.2 ft). This reading is provisional and subject to revision.
- % of conservation pool full
- Not reported
- Storage
- Not reported
- Recent trend
- ↑Rising
+0.2 ft over the trend window
Recent trend
Readings this station published between Jun 2, 2026 and Aug 31, 2026 — a 89-day window — downsampled for display.
Data: USGS Water Services (waterservices.usgs.gov) and USACE CWMS Data (cwms-data.usace.army.mil), retrieved 2026-08-31. Both public domain (a work of the U.S. Government, 17 U.S.C. §105).
Source: USGS site 08154900, retrieved Aug 31, 2026, 8:24 AM (UTC+00:00). Official page for this lake →
About this gauge's record
This site's drainage basin covers approximately 38,846 sq mi of contributing watershed.
The dam behind Lake Austin at Austin
Lake Austin at Austin is held back by Tom Miller Dam , a concrete structure , standing 85 ft high and running 1,395 ft along its crest , built across COLORADO RIVER in Travis County . It was completed in 1939 and modified in 2005F;2005S;2019S , and is owned by CITY OF AUSTIN (a local government owner) , to a design credited to FREESE & NICHOLS INC;FREESE & NICHOLS INC;HATCH;NO DATA FOR ORIGINAL DESIGNER.
Its recorded primary purpose is irrigation — the pool is drawn down across the growing season to serve water rights downstream, then refilled over winter . It also serves irrigation;recreation;hydroelectric;water supply.
It is founded on unlisted/unknown, with a unlisted/unknown;unlisted/unknown core. Its outlet works use other controlled1;slide (sluice gate)2;uncontrolled1.
NID classes it high hazard potential. That describes what a failure would cost downstream — loss of life would be expected — and says nothing about how likely a failure is, or what condition the dam is in. Its most recent condition assessment was satisfactory — no deficiencies recognised for expected loading. That assessment is dated 08/26/2015.
At its normal pool the reservoir covers about 1,830 acres. NID records a maximum storage of 115,404 acre-ft against a normal storage of 25,200 acre-ft. Its maximum discharge capacity is 1,517,697 cubic feet per second. It is regulated by TCEQ.
Dam facts: National Inventory of Dams record TX01086 , filed by Texas — U.S. Army Corps of Engineers, public domain. Water levels above come from USGS Water Services and are a separate source. (How this dam was matched to this gauge →)
How Lake Austin at Austin compares nearby
1 of 6 nearby lakes with a current trend are also rising right now.
Nearby lakes
The six nearest published lakes by centroid distance (great-circle) — cross-state neighbors included.
| Lake | State | Level | Distance |
|---|---|---|---|
| Lake Travis | TX | 679.16 ft | 16 km |
| Ubc Dam 8 | TX | 825.89 ft | 20 km |
| Mills Pond at Wells Branch | TX | 829.58 ft | 20 km |
| Ubc Dam 6 | TX | 888.89 ft | 22 km |
| Ubc Dam 9 | TX | 768.87 ft | 22 km |
| Ubc Dam 7 | TX | 805.22 ft | 24 km |
Frequently asked questions
- What is the current water level of Lake Austin at Austin?
- As of Aug 31, 2026, 3:10 AM (UTC-05:00), the pool elevation was 492.79 ft (datum NAVD88), provisional and subject to revision. See the trend chart above for the recent direction.
- Is Lake Austin at Austin full right now?
- Its managing agency does not publish a %-of-conservation-pool-full figure for this lake, so we show the bare level rather than estimate one.
- Where does this data come from?
- From USGS site 08154900, retrieved Aug 31, 2026, 8:24 AM (UTC+00:00).
More in Texas
See every lake tracked in Texas, or read the methodology behind these figures.