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Colorado River at Austin water level

River gauge, Colorado River, Texas, United States

Directions

Right now

Normal for mid-October

Water level

13.00ft Down 0.06 ft over the last 24 hours

Flow
226 cfs
13 25 38 50 Highest onrecord 51.00 ft Minor floodstage 33.00 ft

History

History
102030ftOct 12Oct 14Oct 17Oct 19Oct 22Minor flood stage102030ftOct 12Oct 17Oct 22Minor flood stage
102030ftSep 19Sep 27Oct 5Oct 14Oct 22Minor flood stage102030ftSep 19Oct 5Oct 22Minor flood stage
102030ftOct 2025Jan 2026Apr 2026Jul 2026Oct 2026Minor flood stage102030ftOct 2025Apr 2026Oct 2026Minor flood stage
10152025ftJanMarMayJulSepNov202610152025ftJanAprJulOct2026

20252026

Water level Normal range (10–90 %) Forecast Minor flood stage

The forecast expects the river to rise to 14.90 ft by Sunday, October 18 at 11:00 PM. Issued Saturday, October 17 at 08:32 AM by NOAA National Weather Service.

What this means

Water levels are unremarkable at Colorado River at Austin, where the gauge shows 13.00 ft.

That puts it 1.23 ft above the median of 11.77 ft for mid-October, based on 14 years of readings. It is 20.00 ft below the flood stage of 33.00 ft. A year ago it stood at 12.34 ft (+0.66 ft).

It is still going down, by 0.06 ft over the past 24 hours. The forecast expects the river to rise to 14.90 ft by Sunday, October 18 at 11:00 PM. The 30-day range is 12.77 ft – 15.19 ft.

Compared with 14 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date
11.77 ft1.23 ft above the median for this date
Normal for this date
10.95 ft – 21.28 ft8 years in 10 fall in this range (14 years of records)
Same day last year
12.34 ft+0.66 ft
Lowest and highest in 30 days
12.77 ft – 15.19 ft
Lowest and highest in 12 months
11.69 ft – 27.40 ft
Highest on record
51.00 ftJuly 7, 1869
Forecast peak
14.90 ftSunday, October 18 at 11:00 PM

Paddling and fishing conditions

Most paddlers and anglers will find the river in good shape at this stage.

For reference, flood stage is 33.00 ft.

What happens at each level

46.00 ft
Several homes flood in the Colorado River flood plain below Del Valle to Bastrop and along Onion Creek above the Colorado River confluence are severely flooded. Numerous streets and roads are extremely dangerous. Major flooding extends well into the flood plain destroying equipment and livestock.
44.00 ft
Major flooding approaches homes in the flood plain below Del Valle to Bastrop. Equipment and livestock should be moved from the flood plain to below Bastrop. Secondary and primary roads and bridges are flooded severely and very dangerous to motorists.
42.00 ft
Major flooding approaches the lowest residences along the Colorado River below Del Valle. Residences in the lower reach of Onion Creek are vulnerable to flooding as the Colorado River backs up the creek and adds to runoff down Onion Creek. Livestock and equipment should be moved from the flood plain below Austin to Bastrop. Lowest homes flood near Webberville.
40.00 ft
Lowest homes in the flood plain below Longhorn Dam to above Bastrop Flood. Livestock and equipment should be moved from low areas of the flood plain below Lake Travis to below Bastrop. Roads and low bridges in the flood plain flood severely and are dangerous to motorists.
38.00 ft
Moderate flooding approaches the Colorado River ranchettes in the southwest quadrant of the confluence of the Colorado River and Dry Creek. Lowest homes downstream below Austin flood. Livestock should be moved from vulnerable areas of the flood plain.
36.00 ft
Several homes are threatened as the Colorado River backs up Onion Creek. Any additional flooding down onion creek may flood homes near the confluence with the Colorado River. Livestock should be moved from vulnerable areas of the flood plain below Austin. Lowest homes below Austin flood.
35.00 ft
Lowest homes and apartments near the Colorado River and the lower part of Onion Creek are threatened. Residents should monitor NOAA All Hazards Weather Radio for developing flood warnings. Livestock can be cut off in low areas below Austin. Lowest homes below Austin to Bastrop flood.
33.00 ft
Minor lowland flooding reaches low areas of the flood plain. No significant damage occurs at this level near Austin but livestock should be moved from low lying areas downstream. Lowest homes below Austin to Bastrop are threatened.
31.00 ft
Flow is well into the flood plain below Lake Travis downstream. Livestock should be moved from low areas of the flood plain downstream below Austin.
29.00 ft
Flow is into the lowest sections of the flood plain.
27.00 ft
Flow is in the lowest sections of the flood plain.
25.00 ft
Flow exceeds the lowest sections of the banks.
13.00 ft
Right now

Impact statements from the U.S. National Weather Service.

Highest crests on record

Chance of at least minor flooding in October to December: 6 %.

RankLevelDate
151.00 ftJuly 7, 1869
250.00 ftJune 15, 1935
345.20 ftJuly 25, 1938
443.50 ftApril 7, 1900
543.20 ftSeptember 28, 1936
642.60 ftDecember 4, 1913
742.40 ftMay 29, 1929
839.00 ftMay 1, 1922
938.40 ftJune 8, 1899
1034.09 ftMay 26, 2015

Weather at the gauge

No rain in the last 3 days.

18 Sun 71° 49° – Wind 6 mph
19 Mon 75° 53° – Wind 6 mph
20 Tue 82° 64° – Wind 8 mph
21 Wed 86° 68° – Wind 6 mph
22 Thu 87° 68° – Wind 9 mph
23 Fri 86° 67° – Wind 10 mph
24 Sat 86° 66° – Wind 10 mph

Forecast: Open-Meteo

Sunrise 07:35 AM Sunset 06:58 PM Daylight 11 hr, 22 min First quarter 51%

Map

Other gauges on the Colorado River

Gauge Level Compared with normal 24 hours Distance
Colorado River near StacyRiver gauge, Colorado River 3.95 ft High −0.20 ft 142 mi
Colorado River near San SabaRiver gauge, Colorado River 2.24 ft Normal +0.09 ft 85 mi
Colorado River at BastropRiver gauge, Colorado River 2.84 ft Normal −0.07 ft 24 mi
Colorado River at SmithvilleRiver gauge, Colorado River 1.50 ft Normal +0.15 ft 35 mi
Colorado River above La GrangeRiver gauge, Colorado River 2.40 ft Very low +0.02 ft 52 mi
Colorado River at ColumbusRiver gauge, Colorado River 9.24 ft Very low −0.08 ft 78 mi
Colorado River at WhartonRiver gauge, Colorado River 8.03 ft Low −0.01 ft 115 mi
Colorado River near Bay CityRiver gauge, Colorado River 3.02 ft Low +0.79 ft 133 mi
Colorado River near WadsworthTidal gauge, Colorado River 1.73 ft No reference yet +0.64 ft 143 mi

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Boggy Creek at Webberville Rd, AustinRiver gauge, Boggy Creek 0.1 cfs Normal ±0 2.3 mi
Walnut Creek at Webberville Rd, AustinRiver gauge, Walnut Creek 4.02 ft Normal +0.03 ft 3.0 mi
Boggy Creek at Manor Rd, AustinRiver gauge, Boggy Creek 0.0 cfs Very low ±0 3.2 mi
Waller Creek at E 1st St, AustinRiver gauge, Waller Creek 4.50 ft Very high ±0 3.7 mi
Waller Creek at Red River St, AustinRiver gauge, Waller Creek 3.39 ft Normal −0.02 ft 3.8 mi
Ft Br Boggy Creek at Manor Rd, AustinRiver gauge, Ft Br Boggy Creek 1.25 ft Normal ±0 3.8 mi
Shoal Creek at W 12th St, AustinRiver gauge, Shoal Creek 1.63 ft Normal +0.04 ft 4.7 mi
Onion Creek at US Hwy 183, AustinRiver gauge, Onion Creek 4.49 ft Normal −0.01 ft 4.7 mi

Questions and answers

How does the Colorado River at Austin compare with last year?

It is 0.66 ft higher than on the same day last year, when the reading was 12.34 ft.

What is flood stage for the Colorado River at Austin?

The official flood stage is 33.00 ft. The level is currently 20.00 ft below it.

What is a normal level for the Colorado River at Austin in mid-October?

The median for mid-October is 11.77 ft. In 8 years out of 10 the reading falls between 10.95 ft and 21.28 ft, based on 14 years of records.

Is gage height the same as water depth?

No. Gage height is measured from a fixed reference point chosen by the agency, so a reading of 10 ft does not mean the river is 10 ft deep.

What is the water level of Colorado River at Austin today?

On Oct 18, 2026, 09:50 AM CDT, the water level was 13.00 ft. Down 0.06 ft over the last 24 hours.

Is Colorado River at Austin rising or falling?

Down 0.06 ft over the last 24 hours. Down 0.46 ft over the last 7 days.

Is the level of Colorado River at Austin normal?

Normal for mid-October. Compared with 14 years of daily readings for this time of year.

For specialists

Station codes, datum, parameters, data quality and downloads
Operator
U.S. Geological Survey
Station code
usgs:08158000 (Agency page)
Coordinates
30.24614, -97.68006 (WGS84)
Vertical datum
NAVD88
Update interval
every 15 minutes
Licence
Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision

Published series

ParameterLast valueTime (UTC)Quality
Water level 13.00 ft 2026-10-18 14:50 Provisional
Flow 226 cfs 2026-10-18 14:50 Provisional

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How to cite

U.S. Geological Survey: Colorado River at Austin (usgs:08158000). Accessed October 18, 2026 via Nivelmap, https://nivelmap.com/en/united-states/texas/colorado-river-at-austin

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.