Barton Creek at Loop 360

1. 26.00 ftFlow is near the USGS 1:100 year flood level (26 feet - 44,400 cfs). Disastrous flooding reaches several homes in the lower flood plain. Streets, roads and bridges are very dangerous to motorists. Barton Springs Pool is severely damaged.
2. 25.00 ftFlow reaches the usgs 1:50 year flood level (34,200 cfs). Major flooding severely damages Barton Springs Pool downstream. Roads, streets and bridges are extremely dangerous to motorists. Lowest residences are threatened.
3. 23.00 ftMajor, very dangerous flooding occurs. Many streets and bridges above Loop 360 to the Colorado River are very dangerous. Nearing the USGS 1:50 foot flood level. Barton Springs Pool is severely damaged. Lowest residences are threatened.
4. 22.00 ftThe Barton Creek flood plain is very dangerous. Travel should be prohibited on streets and bridges that cross the flood plain. Barton Springs Pool will be severely impacted with major damage. Well in excess of a 1:25 year flood. Lowest residences are threatened.
5. 20.00 ftFlow is in excess of the USGS 1:25 year flood level. Severe flooding damage to Barton Springs Pool downstream. Major flooding makes low lying streets and bridges very dangerous.
6. 18.00 ftMajor flooding of the lower flood plain occurs including Barton Springs Pool. Flow reaches the usgs 1:25 year flood level (25,400 cfs). Low roads, streets and bridges are severely flooded and dangerous.
7. 16.00 ftMajor flooding causes severe damage to Barton Springs Pool downstream. Roads, streets and bridges are severely flooding and dangerous in the Barton Creek flood plain.
8. 14.00 ftMajor flooding covers lower areas of Barton Springs Pool downstream. Jogging and biking trails in the lower flood plain are flooded. Flow is near the USGS 1:10 year flood level of 14.2 feet.
9. 12.00 ftMajor flooding puts flow overbanks in Barton Springs Pool downstream. Roads and low bridges are very dangerous above Loop 360 to the Colorado River.
10. 11.00 ftMinor lowland flooding reaches lowest secondary roads and low bridges. Significant rise downstream in Barton Springs Pool.
11. 8.00 ftFlow exceeds lowest sections of the banks.

Chance of flooding, September to November

The three-month chances are the River Forecast Centers’ long-range flood outlook, issued August 28, 2026.

Most recent crests

• May 9, 2019: 13.17 ft
• May 4, 2019: 19.18 ft
• October 30, 2015: 19.10 ft
• May 26, 2015: 13.20 ft
• May 24, 2015: 13.13 ft
• October 13, 2013: 14.56 ft
• July 3, 2002: 17.87 ft
• November 16, 2001: 15.50 ft
• June 10, 1997: 12.63 ft
• June 6, 1996: 11.96 ft

• UpstreamBarton Creek at Hwy 71 near Oak Hill
• DownstreamBarton Creek at Barton Springs
• Williamson Creek at Manchaca Road at Austin
• West Bouldin Creek at Oltorf Road at Austin
• Lost Creek at Lost Creek Blvd
• Williamson Creek at Oak Hill
• Shoal Creek at West 12th Street
• Waller Creek at East 1st Street at Austin
• Waller Creek at Red River Street

Forecasts by the West Gulf River Forecast Center. Forecasts are issued as needed during times of high water, but are not routinely available. River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.

Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.