Major Flood
12 ft
Current Water Level
Gage Height
Loading...
Streamflow
Loading...
Last Reading
Loading...
FLOOD STAGES
Know the flood categories.
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
Moderate Flood
10 ft
Minor Flood
9 ft
Action Stage
8 ft
What Floods at Each Level
29 ft
Life threatening disastrous flooding reaches slab elevation of the lowest homes in the reach near Sattler. Camp facilities in the Guadalupe River flood plain below Canyon Dam to New Braunfels are disastrously flooded. River Road is impassable and deadly. Evacuations should be on foot directly away from the river and in no circumstances by automobiles. Residential flooding in New Braunfels is disastrous.
25 ft
Disastrous life threatening flooding below Canyon Dam can be deadly to campers and motorists along River Road. Flow is near 20 feet deep in lowest camping areas and some sections of River Road. Lowest homes in New Braunfels are flooded. Low roads and bridges are very dangerous to motorists below Canyon Dam to below New Braunfels.
21 ft
Disastrous flooding is potentially deadly to camps and motorists along River Road below Canyon Dam. Camps are under up to fifteen feet of turbulent flow. Lowest residences in New Braunfels are threatened and roads are severely flooded and very dangerous.
17 ft
Major flooding can be deadly in camping facilities along River Road between Canyon Dam and New Braunfels. Campers should evacuate low areas on foot directly away from the river. Do not drive automobiles along River Road. Lowest residences downstream in New Braunfels are threatened and low roads are very dangerous.
13 ft
The lowest homes in New Braunfels near Common Street flood. Flow is well over banks flooding much of River Road. Sleeping campers, autos, and gear on the banks near and above Gruene can be swept downstream. The bridge at Gruene is flooded. Flow is within a foot of the city park at Sattler.
12 ft
Major flooding makes sections of River Road impassable. The bridge at Gruene is flooded. Sleeping campers, automobiles, and gear on low sections of the Guadalupe River near and above Gruene can be swept downstream.
11 ft
The low bridge near Gruene is closed. Lowest sections of River Road will experience flooding. Water will approach River Road bridge Crossings 1, 2, 3, and 4 downstream.
9 ft
The low bridge near Gruene is closed. Minor lowland flooding approaches the lowest sections of River Road downstream below Sattler.
Impact statements from the National Weather Service, describing what typically happens at each water level.
7-Day Water Level Chart
Loading chart data...
Historic Crests
| Date | Stage | Flow |
|---|---|---|
| Jun 30, 1932 | 39 ft | — |
| May 31, 1935 | 39 ft | — |
| Jul 6, 2002 | 35.55 ft | — |
About This Gauge
Get Flood Alerts for Guadalupe River
StormCast monitors this gauge and sends a push notification to your phone when the water level crosses into a new flood category — even at 3 AM.
Frequently Asked Questions
What is the current water level of Guadalupe River at Sattler?
The Guadalupe River at Sattler gauge is maintained by USGS (site 08167800) and reports water levels every 15 minutes. Visit this page to see the latest reading updated live, or download StormCast to get push alerts when levels rise.
What is flood stage for Guadalupe River at Sattler?
The NWS-defined flood stage for Guadalupe River at Sattler is 9 feet. Action stage begins at 8 feet. Moderate flooding starts at 10 feet, and major flooding at 12 feet.
How do I get alerts when Guadalupe River rises?
Download StormCast free on Google Play, go to River Gauges, and add Guadalupe River at Sattler to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category.
Where is the Guadalupe River at Sattler gauge located?
The gauge is located in Comal County, Texas at coordinates 29.8589°N, 98.1797°W. USGS site number: 08167800. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Gauges on Guadalupe River
On This River
More Resources
Source & Notes
Data provided by: US Geological Survey, Observations courtesy of U.S. Geological Survey, Observations courtesy of U.S. Army Corps of Engineers
- 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.