Major Flood
24 ft
Current Water Level
Gage Height
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Streamflow
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Last Reading
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FLOOD STAGES
Know the flood categories.
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
Moderate Flood
22 ft
Minor Flood
18 ft
Action Stage
15 ft
What Floods at Each Level
35 ft
Highway 16 floods.
29.39 ft
Flood of Record (07/17/1973).
28.2 ft
Food of 05/30/1987 - Many homes flooded from above Von Ormy downstream to below Peaesall Road - Flow 26,000 CFS.
24 ft
Major flooding reaches the Highway 16 bridge floor. Water reaches homes and businesses near Von Ormy upstream (16,000 CFS).
23.4 ft
June 23, 1997 03:15 AM (14,800 CFS) - No structural damage reported below Medina Lake to the San Antonio River confluence.
22.7 ft
October 18, 1998 15:15 PM (13,500 CFS) - No reported structural flooding below Medina Lake to the San Antonio River confluence. Gauge is between Medio Creek and Leon Creek inflows.
21 ft
Rating flattens considerably - Flow into flood plain.
18 ft
Minor flooding threatens buildings in campground at confluence of Medina River and Medio Creek.
15 ft
Water reaches slab of Knights of Columbus business office at Medina River and Pearsall Road upstream near Von Ormy.
12 ft
Banckfull.
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 |
|---|---|---|
| Jul 5, 2002 | 42.19 ft | 56,000 cfs |
| Oct 23, 2002 | 22.08 ft | 11,500 cfs |
| Sep 22, 2018 | 18.19 ft | 5,020 cfs |
About This Gauge
Get Flood Alerts for Medina 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 Medina River near Somerset?
The Medina River near Somerset gauge is maintained by USGS (site 08180800) 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 Medina River near Somerset?
The NWS-defined flood stage for Medina River near Somerset is 18 feet. Action stage begins at 15 feet. Moderate flooding starts at 22 feet, and major flooding at 24 feet.
How do I get alerts when Medina River rises?
Download StormCast free on Google Play, go to River Gauges, and add Medina River near Somerset 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 Medina River near Somerset gauge located?
The gauge is located in Bexar County, Texas at coordinates 29.2619°N, 98.5811°W. USGS site number: 08180800. 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
- 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.