Guadalupe River above Comal River at New Braunfels
Texas — Water Level & Flood Stage
Located in Comal County, Texas on the Guadalupe River. Live water level data from USGS gauge 08168500, updated every 15 minutes.
Current Water Level
Gage Height
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Streamflow
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Last Reading
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Flood Stages
Major Flood
14 ft
Moderate Flood
10 ft
Minor Flood
7 ft
Action Stage
6 ft
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
What Floods at Each Level
33 ft
Disastrous, life threatening flooding reaches many homes in New Braunfels. All roads, streets and bridges in the flood plain below Canyon Dam to below Seguin are severely flooded and dangerous. RV and mobile home parks below New Braunfels are inundated. Camping areas along River Road below Canyon Dam will be under more than 25 feet of water.
29 ft
Disastrous life threatening flooding has the potential to drown people in the flood plain below Canyon Dam to below Seguin. Recreational camps along River Road below Canyon Dam flood severely. River Road is impassable. Visitors should evacuate on foot away from the river. Hundreds of homes in New Braunfels, Treasure Island and Seguin flood severely with some homes washing downstream.
25 ft
Disastrous life threatening flooding occurs below Canyon Dam to below Seguin. Roads near the river flood severely and are extremely dangerous to motorists. Campgrounds along River Road flood. Much of River Road is impassable and extremely dangerous for auto traffic. Visitors should not evacuate in cars on River Road. Evacuate on foot directly away from the river up canyon walls. Lowest homes in New Braunfels flood severely.
21 ft
Major flooding puts 4 feet of water over the Common Street bridge. River Road upstream and adjoining campgrounds are severely flooded and extremely dangerous. Lowest homes in New Braunfels are threatened. The bridge at Gruene is under more than 15 feet of water.
17 ft
The Common Street bridge floor over the Guadalupe River floods. Lowest homes are threatened. Much of River Road floods. Sleeping campers, autos and gear on the Guadalupe River banks can wash downstream.
14 ft
Major lowland flooding threatens lowest homes. Numerous roads, streets and low bridges are flooded. River Road and camping areas upstream are severely flooded and extremely dangerous.
12.5 ft
Several sections of River Road flood. Autos, gear and sleeping campers can wash downstream from low banks adjacent to the river. Flow is well into the flood plain through New Braunfels.
10 ft
Moderate lowland floodng closes several sections of River Road. Campers autos and equipment along the river can be washed downstream.
7 ft
Minor lowland flooding reaches the lowest sections of River Road above New Braunfels threatening sleeping campers, autos and gear on low areas near and above Gruene. The bridge on Gruene Road becomes flooded and impassable.
6 ft
Minor lowland flooding reaches the lower portions of campsites along River Road. Water reaches the bridge floor at Gruene Road.
5 ft
Flow exceeds lowest banks.
Impact statements from the National Weather Service, describing what typically happens at each water level.
7-Day Water Level Chart
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Historic Crests
| Date | Stage | Flow |
|---|---|---|
| Aug 7, 1869 | 38 ft | — |
| Dec 12, 1913 | 38 ft | — |
| Dec 12, 1913 | 38 ft | — |
| Aug 7, 1869 | 38 ft | — |
| Oct 17, 1998 | 35.57 ft | 142,000 cfs |
About This Gauge
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Frequently Asked Questions
What is the current water level of Guadalupe River above Comal River at New Braunfels?
The Guadalupe River above Comal River at New Braunfels gauge is maintained by USGS (site 08168500) 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 above Comal River at New Braunfels?
The NWS-defined flood stage for Guadalupe River above Comal River at New Braunfels is 7 feet. Action stage begins at 6 feet. Moderate flooding starts at 10 feet, and major flooding at 14 feet.
How do I get alerts when Guadalupe River rises?
Download StormCast free on Google Play, go to River Gauges, and add Guadalupe River above Comal River at New Braunfels to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category — even when your screen is off.
Where is the Guadalupe River above Comal River at New Braunfels gauge located?
The gauge is located in Comal County, Texas at coordinates 29.7147°N, 98.1097°W. USGS site number: 08168500. Data is provided by the U.S. Geological Survey and the National Weather Service.
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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.