Wanaque River at Wanaque Reservoir elevation
New Jersey — Water Level & Flood Stage
Located in Passaic County, New Jersey on the Wanaque River. Live water level data from USGS gauge 01386990, 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
Action Stage
302.4 ft
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
What Floods at Each Level
302.4 ft
The level at which the reservoir begins to spill. A spillway is located at the top of the reservoir pool. It's a structure used to provide a controlled release of water when reservoirs are at or near capacity. Spilling can occur for weeks or months and does not cause flooding below the dam.
Impact statements from the National Weather Service, describing what typically happens at each water level.
7-Day Water Level Chart
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About This Gauge
Get Flood Alerts for Wanaque 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 Wanaque River at Wanaque Reservoir elevation?
The Wanaque River at Wanaque Reservoir elevation gauge is maintained by USGS (site 01386990) 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 Wanaque River at Wanaque Reservoir elevation?
This gauge has NWS-defined flood categories. Check the flood stages section above for current thresholds.
How do I get alerts when Wanaque River rises?
Download StormCast free on Google Play, go to River Gauges, and add Wanaque River at Wanaque Reservoir elevation 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 Wanaque River at Wanaque Reservoir elevation gauge located?
The gauge is located in Passaic County, New Jersey at coordinates 41.0450°N, 74.2953°W. USGS site number: 01386990. 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