Major Flood
12.2 ft
Current Water Level
Gage Height
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Streamflow
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Last Reading
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This is an NWS forecast point (LID: NBLP1). Live data may be limited. View on NWS AHPS →
FLOOD STAGES
Know the flood categories.
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
Moderate Flood
11.2 ft
Minor Flood
10.2 ft
What Floods at Each Level
13.22 ft
(Mean Lower Low Water (MLLW)) The level reached on September 1, 2021 during Post Tropical Cyclone Ida.
12.62 ft
(MLLW) The level reached on April 4, 2005.
12.5 ft
(MLLW) The level reached on June 29, 2006 and on April 17, 2011.
12.26 ft
(MLLW) The level reached on May 1, 2014.
12.24 ft
(MLLW) The level reached on October 30, 2012 during Post Tropical Cyclone Sandy.
12.2 ft
(MLLW) MAJOR FLOODING. At this level, widespread roadway flooding begins near the river and its tidal tributaries in Mercer County, Burlington County and lower Bucks County. Vulnerable homes and businesses may be damaged as water levels rise further above this threshold. Numerous roads become impassable and some neighborhoods may be isolated. The flood waters become a danger to anyone who attempts to cross on foot or in a vehicle.
11.2 ft
(MLLW) MODERATE FLOODING. At this level, additional roadways near the river and its tidal tributaries in Mercer County, Burlington County and lower Bucks County begin to flood. Lives may be at risk when people put themselves in harm's way. Some damage to vulnerable structures may begin to occur. COASTAL FLOOD WARNING LEVEL.
11 ft
(MLLW) Flooding begins near the Trenton public boat ramp. Flooding begins in the Duck Island section of Hamilton Township.
10.8 ft
(MLLW) Flooding begins around Radcliffe Street and Mill Street in Bristol PA. Flooding begins along Tanner's Run near the intersection of US Route 130, Beverly Road and Devlin Avenue in Burlington Township NJ.
10.6 ft
(MLLW) Flooding begins along the riverfront in Burlington City NJ.
10.5 ft
(MLLW) COASTAL FLOOD ADVISORY LEVEL.
10.4 ft
(MLLW) Flooding begins near the mouth of the Neshaminy Creek in the Croydon section of Bristol Township including Sixth Avenue, River Road, Minot Avenue and Bank Street.
10.2 ft
(MLLW) MINOR FLOODING.
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 31, 2021 | 13.22 ft | — |
| Jan 9, 2024 | 12.64 ft | — |
| Apr 3, 2005 | 12.62 ft | — |
About This Gauge
NWS LID
NBLP1
River
Delaware River
County
Bucks, PA
Coordinates
40.1367°N, 74.7517°W
Get Flood Alerts for Delaware 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 Delaware River at Newbold Island (IN MLLW)?
The Delaware River at Newbold Island (IN MLLW) gauge is maintained by USGS 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 Delaware River at Newbold Island (IN MLLW)?
The NWS-defined flood stage for Delaware River at Newbold Island (IN MLLW) is 10.2 feet. Action stage begins at N/A feet. Moderate flooding starts at 11.2 feet, and major flooding at 12.2 feet.
How do I get alerts when Delaware River rises?
Download StormCast free on Google Play, go to River Gauges, and add Delaware River at Newbold Island (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.
Where is the Delaware River at Newbold Island (IN MLLW) gauge located?
The gauge is located in Bucks County, Pennsylvania at coordinates 40.1367°N, 74.7517°W. Data is provided by the U.S. Geological Survey and the National Weather Service.
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Source & Notes
Data provided by: NOAA National Ocean Service
- <style type="text/css"> .style1 {background-color: #FFFF00;}</style>Please refer to our <style type="text/css"> .style1 { background-color: #FFFF00;} .style2 {background-color: #FFFF00;} </style> <a href="http://forecast.weather.gov/product.php?site=NWS&issuedby=PHI&product=CFW&format=CI&version=1&glossary=0"> <span class="style1">Coastal Hazard Message</span></a> for specific information regarding Coastal Flood Watches, Warnings and Advisories. During tropical cyclones, please refer<a href="https://forecast.weather.gov/product.php?site=NWS&issuedby=PHI&product=TCV&format=CI&version=1&glossary=1"> <span class="style2">here</span></a> for additional storm surge information.
- Flood impacts are based on long-term averages. Actual impacts from any tidal flooding event may vary due to factors such as rainfall, wave action, and the number of tide cycles during which there is an onshore flow.