Major Flood
92 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
88.5 ft
Minor Flood
81 ft
Action Stage
73 ft
What Floods at Each Level
117 ft
Major lowland flooding continues as homes on Old Houston Road (upstream of the gage) begin to flood.
105.5 ft
Major lowland flooding continues as lowest homes in Riverwalk subdivision along Serpenteer Road begin to flood.
92 ft
Major lowland flooding begins in the vicinty of the gage with low point on SH99 inundated.
88.5 ft
Moderate lowland flooding begins. Lowest homes in Summer Hills subdivision along Firefly Lane and Butterfly Lane begin to flood.
83 ft
Minor lowland flooding continues as the turnaround under SH99 at Riley Fuzzel Road begins to flood.
81 ft
Minor lowland flooding begins in the vicinty of the gage as water escapes the main channel. Bottom of the old gage house and road near the old gage house begin to flood.
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 29, 2017 | 94.87 ft | 131,000 cfs |
| May 3, 2024 | 89.1 ft | 77,300 cfs |
About This Gauge
USGS Site
NWS LID
POET2
River
West Fork San Jacinto River
County
Montgomery, TX
Coordinates
30.1412°N, 95.3381°W
Get Flood Alerts for West Fork San Jacinto 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 West Fork San Jacinto River near Porter?
The West Fork San Jacinto River near Porter gauge is maintained by USGS (site 08068090) 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 West Fork San Jacinto River near Porter?
The NWS-defined flood stage for West Fork San Jacinto River near Porter is 81 feet. Action stage begins at 73 feet. Moderate flooding starts at 88.5 feet, and major flooding at 92 feet.
How do I get alerts when West Fork San Jacinto River rises?
Download StormCast free on Google Play, go to River Gauges, and add West Fork San Jacinto River near Porter 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 West Fork San Jacinto River near Porter gauge located?
The gauge is located in Montgomery County, Texas at coordinates 30.1412°N, 95.3381°W. USGS site number: 08068090. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Gauges on West Fork San Jacinto River
On This River
Upstream: West Fork San Jacinto River near Conroe
Downstream: West Fork San Jacinto River near Humble
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.