Colorado River at Austin water level
River gauge, Colorado River, Texas, United States
Right now
Normal for mid-October
Water level
- Flow
- 226 cfs
History
20252026
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 %.
| Rank | Level | Date |
|---|---|---|
| 1 | 51.00 ft | July 7, 1869 |
| 2 | 50.00 ft | June 15, 1935 |
| 3 | 45.20 ft | July 25, 1938 |
| 4 | 43.50 ft | April 7, 1900 |
| 5 | 43.20 ft | September 28, 1936 |
| 6 | 42.60 ft | December 4, 1913 |
| 7 | 42.40 ft | May 29, 1929 |
| 8 | 39.00 ft | May 1, 1922 |
| 9 | 38.40 ft | June 8, 1899 |
| 10 | 34.09 ft | May 26, 2015 |
Weather at the gauge
No rain in the last 3 days.
Forecast: Open-Meteo
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
| Parameter | Last value | Time (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.
Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer