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Delaware River at Newbold Island (IN MLLW)

National Weather Service gauge NBLP1 · Pennsylvania · Bucks County · 40.1367, -74.7517

Stage at this gauge is reported IN MLLW.

Flood levels

Official flood levels at this gauge: minor flooding begins at 10.2 ft; moderate flooding begins at 11.2 ft; major flooding begins at 12.2 ft.

Minor flooding10.2 ft
Moderate flooding11.2 ft
Major flooding12.2 ft

Highest recorded crests

What the water does

National Weather Service impact statements for this gauge, in the Weather Service's own words.

10.2 ft(MLLW) MINOR FLOODING.
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.
10.5 ft(MLLW) COASTAL FLOOD ADVISORY LEVEL.
10.6 ft(MLLW) Flooding begins along the riverfront in Burlington City NJ.
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.
11.0 ft(MLLW) Flooding begins near the Trenton public boat ramp. Flooding begins in the Duck Island section of Hamilton Township.
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.
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.
12.2 ft(MLLW) The level reached on October 30, 2012 during Post Tropical Cyclone Sandy.
12.3 ft(MLLW) The level reached on May 1, 2014.
12.5 ft(MLLW) The level reached on June 29, 2006 and on April 17, 2011.
12.6 ft(MLLW) The level reached on April 4, 2005.
13.2 ft(Mean Lower Low Water (MLLW)) The level reached on September 1, 2021 during Post Tropical Cyclone Ida.

Forecast office: NWS Mount Holly · River Forecast Center: Middle Atlantic River Forecast Center.

A NOAA tide station shares this spot: Newbold, with tide predictions and official flood levels.

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