Major Flood
15 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
14.7 ft
Minor Flood
14 ft
Action Stage
12 ft
What Floods at Each Level
12 ft
Minor Field Flooding Begins
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 18, 1955 | 15.22 ft | 16,100 cfs |
| Apr 2, 2005 | 13.47 ft | 7,630 cfs |
| Mar 28, 2005 | 12.8 ft | — |
About This Gauge
USGS Site
NWS LID
MGPN6
River
Mongaup River
County
Sullivan, NY
Coordinates
41.6683°N, 74.7814°W
Get Flood Alerts for Mongaup 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 Mongaup River at Mongaup Valley?
The Mongaup River at Mongaup Valley gauge is maintained by USGS (site 01432900) 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 Mongaup River at Mongaup Valley?
The NWS-defined flood stage for Mongaup River at Mongaup Valley is 14 feet. Action stage begins at 12 feet. Moderate flooding starts at 14.7 feet, and major flooding at 15 feet.
How do I get alerts when Mongaup River rises?
Download StormCast free on Google Play, go to River Gauges, and add Mongaup River at Mongaup Valley 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 Mongaup River at Mongaup Valley gauge located?
The gauge is located in Sullivan County, New York at coordinates 41.6683°N, 74.7814°W. USGS site number: 01432900. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Resources
Source & Notes
Data provided by: US Geological Survey, Observations courtesy of U.S. Geological Survey