Peconic River at Riverhead (IN MLLW)
New York — Water Level & Flood Stage
Located in Suffolk County, New York on the Peconic River. Live water level data from USGS gauge 01304562, 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
7.2 ft
Moderate Flood
6.4 ft
Minor Flood
5.7 ft
Action Stage
5.2 ft
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
7-Day Water Level Chart
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Historic Crests
| Date | Stage | Flow |
|---|---|---|
| Oct 28, 2012 | 10.12 ft | — |
| Oct 28, 2012 | 10.12 ft | — |
| Aug 27, 2011 | 7.35 ft | — |
| Aug 27, 2011 | 7.35 ft | — |
| Apr 15, 2007 | 5.67 ft | — |
About This Gauge
Get Flood Alerts for Peconic 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 Peconic River at Riverhead (IN MLLW)?
The Peconic River at Riverhead (IN MLLW) gauge is maintained by USGS (site 01304562) 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 Peconic River at Riverhead (IN MLLW)?
The NWS-defined flood stage for Peconic River at Riverhead (IN MLLW) is 5.7 feet. Action stage begins at 5.2 feet. Moderate flooding starts at 6.4 feet, and major flooding at 7.2 feet.
How do I get alerts when Peconic River rises?
Download StormCast free on Google Play, go to River Gauges, and add Peconic River at Riverhead (IN MLLW) 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 Peconic River at Riverhead (IN MLLW) gauge located?
The gauge is located in Suffolk County, New York at coordinates 40.9178°N, 72.6386°W. USGS site number: 01304562. 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