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Hydrograph River at a Glance Download Inundation
Mapping
Delaware River at New Hope-Lambertville Bridge Stage (ft)Observed: -0.63 ft at 8:00PM Aug 30, 2014Observed: -0.63 ft at 8:15PM Aug 30, 2014Observed: -0.64 ft at 8:30PM Aug 30, 2014Observed: -0.63 ft at 8:45PM Aug 30, 2014Observed: -0.64 ft at 9:00PM Aug 30, 2014Observed: -0.63 ft at 9:15PM Aug 30, 2014Observed: -0.64 ft at 9:30PM Aug 30, 2014Observed: -0.64 ft at 9:45PM Aug 30, 2014Observed: -0.64 ft at 10:00PM Aug 30, 2014Observed: -0.64 ft at 10:15PM Aug 30, 2014Observed: -0.64 ft at 10:30PM Aug 30, 2014Observed: -0.65 ft at 10:45PM Aug 30, 2014Observed: -0.65 ft at 11:00PM Aug 30, 2014Observed: -0.65 ft at 11:15PM Aug 30, 2014Observed: -0.66 ft at 11:30PM Aug 30, 2014Observed: -0.66 ft at 11:45PM Aug 30, 2014Observed: -0.66 ft at 12:00AM Aug 31, 2014Observed: -0.66 ft at 12:15AM Aug 31, 2014Observed: -0.66 ft at 12:30AM Aug 31, 2014Observed: -0.67 ft at 12:45AM Aug 31, 2014Observed: -0.67 ft at 1:00AM Aug 31, 2014Observed: -0.67 ft at 1:15AM Aug 31, 2014Observed: -0.68 ft at 1:30AM Aug 31, 2014Observed: -0.68 ft at 1:45AM Aug 31, 2014Observed: -0.69 ft at 2:00AM Aug 31, 2014Observed: -0.69 ft at 2:15AM Aug 31, 2014Observed: -0.7 ft at 2:30AM Aug 31, 2014Observed: -0.7 ft at 2:45AM Aug 31, 2014Observed: -0.7 ft at 3:00AM Aug 31, 2014Observed: -0.71 ft at 3:15AM Aug 31, 2014Observed: -0.71 ft at 3:30AM Aug 31, 2014Observed: -0.71 ft at 3:45AM Aug 31, 2014Observed: -0.72 ft at 4:00AM Aug 31, 2014Observed: -0.73 ft at 4:15AM Aug 31, 2014Observed: -0.73 ft at 4:30AM Aug 31, 2014Observed: -0.73 ft at 4:45AM Aug 31, 2014Observed: -0.74 ft at 5:00AM Aug 31, 2014Observed: -0.75 ft at 5:15AM Aug 31, 2014Observed: -0.75 ft at 5:30AM Aug 31, 2014Observed: -0.75 ft at 5:45AM Aug 31, 2014Observed: -0.76 ft at 6:00AM Aug 31, 2014Observed: -0.76 ft at 6:15AM Aug 31, 2014Observed: -0.77 ft at 6:30AM Aug 31, 2014Observed: -0.77 ft at 6:45AM Aug 31, 2014Observed: -0.78 ft at 7:00AM Aug 31, 2014Observed: -0.78 ft at 7:15AM Aug 31, 2014Observed: -0.78 ft at 7:30AM Aug 31, 2014Observed: -0.79 ft at 7:45AM Aug 31, 2014Observed: -0.79 ft at 8:00AM Aug 31, 2014Observed: -0.8 ft at 8:15AM Aug 31, 2014Observed: -0.8 ft at 8:30AM Aug 31, 2014Observed: -0.8 ft at 8:45AM Aug 31, 2014Observed: -0.81 ft at 9:00AM Aug 31, 2014Observed: -0.81 ft at 9:15AM Aug 31, 2014Observed: -0.81 ft at 9:30AM Aug 31, 2014Observed: -0.81 ft at 9:45AM Aug 31, 2014Observed: -0.82 ft at 10:00AM Aug 31, 2014Observed: -0.82 ft at 10:15AM Aug 31, 2014Observed: -0.82 ft at 10:30AM Aug 31, 2014Observed: -0.85 ft at 10:45AM Aug 31, 2014Observed: -0.82 ft at 11:00AM Aug 31, 2014Observed: -0.82 ft at 11:15AM Aug 31, 2014Observed: -0.85 ft at 11:30AM Aug 31, 2014Observed: -0.84 ft at 11:45AM Aug 31, 2014Observed: -0.86 ft at 12:00PM Aug 31, 2014Observed: -0.83 ft at 12:15PM Aug 31, 2014Observed: -0.85 ft at 12:30PM Aug 31, 2014Observed: -0.87 ft at 12:45PM Aug 31, 2014Observed: -0.88 ft at 1:00PM Aug 31, 2014Observed: -0.83 ft at 1:15PM Aug 31, 2014Observed: -0.85 ft at 1:30PM Aug 31, 2014Observed: -0.83 ft at 1:45PM Aug 31, 2014Observed: -0.88 ft at 2:00PM Aug 31, 2014Observed: -0.89 ft at 2:15PM Aug 31, 2014Observed: -0.89 ft at 2:30PM Aug 31, 2014Observed: -0.89 ft at 2:45PM Aug 31, 2014Observed: -0.87 ft at 3:00PM Aug 31, 2014Observed: -0.9 ft at 3:15PM Aug 31, 2014Observed: -0.84 ft at 3:30PM Aug 31, 2014Observed: -0.87 ft at 3:45PM Aug 31, 2014Observed: -0.82 ft at 4:00PM Aug 31, 2014Observed: -0.81 ft at 4:15PM Aug 31, 2014Observed: -0.82 ft at 4:30PM Aug 31, 2014Observed: -0.81 ft at 4:45PM Aug 31, 2014Observed: -0.79 ft at 5:00PM Aug 31, 2014Observed: -0.79 ft at 5:15PM Aug 31, 2014Observed: -0.78 ft at 5:30PM Aug 31, 2014Observed: -0.76 ft at 5:45PM Aug 31, 2014Observed: -0.74 ft at 6:00PM Aug 31, 2014Observed: -0.73 ft at 6:15PM Aug 31, 2014Observed: -0.72 ft at 6:30PM Aug 31, 2014Observed: -0.7 ft at 6:45PM Aug 31, 2014Observed: -0.68 ft at 7:00PM Aug 31, 2014Observed: -0.68 ft at 7:15PM Aug 31, 2014Observed: -0.66 ft at 7:30PM Aug 31, 2014Observed: -0.64 ft at 7:45PM Aug 31, 2014Observed: -0.63 ft at 8:00PM Aug 31, 2014Observed: -0.61 ft at 8:15PM Aug 31, 2014Observed: -0.6 ft at 8:30PM Aug 31, 2014Observed: -0.58 ft at 8:45PM Aug 31, 2014Observed: -0.57 ft at 9:00PM Aug 31, 2014Observed: -0.56 ft at 9:15PM Aug 31, 2014Observed: -0.55 ft at 9:30PM Aug 31, 2014Observed: -0.53 ft at 9:45PM Aug 31, 2014Observed: -0.52 ft at 10:00PM Aug 31, 2014Observed: -0.52 ft at 10:15PM Aug 31, 2014Observed: -0.5 ft at 10:30PM Aug 31, 2014Observed: -0.5 ft at 10:45PM Aug 31, 2014Observed: -0.49 ft at 11:00PM Aug 31, 2014Observed: -0.49 ft at 11:15PM Aug 31, 2014Observed: -0.48 ft at 11:30PM Aug 31, 2014Observed: -0.48 ft at 11:45PM Aug 31, 2014Observed: -0.47 ft at 12:00AM Sep 01, 2014Observed: -0.47 ft at 12:15AM Sep 01, 2014Observed: -0.47 ft at 12:30AM Sep 01, 2014Observed: -0.47 ft at 12:45AM Sep 01, 2014Observed: -0.46 ft at 1:00AM Sep 01, 2014Observed: -0.47 ft at 1:15AM Sep 01, 2014Observed: -0.46 ft at 1:30AM Sep 01, 2014Observed: -0.47 ft at 1:45AM Sep 01, 2014Observed: -0.47 ft at 2:00AM Sep 01, 2014Observed: -0.47 ft at 2:15AM Sep 01, 2014Observed: -0.47 ft at 2:30AM Sep 01, 2014Observed: -0.47 ft at 2:45AM Sep 01, 2014Observed: -0.48 ft at 3:00AM Sep 01, 2014Observed: -0.48 ft at 3:15AM Sep 01, 2014Observed: -0.49 ft at 3:30AM Sep 01, 2014Observed: -0.49 ft at 3:45AM Sep 01, 2014Observed: -0.5 ft at 4:00AM Sep 01, 2014Observed: -0.51 ft at 4:15AM Sep 01, 2014Observed: -0.51 ft at 4:30AM Sep 01, 2014Observed: -0.52 ft at 4:45AM Sep 01, 2014Observed: -0.54 ft at 5:00AM Sep 01, 2014Observed: -0.55 ft at 5:15AM Sep 01, 2014Observed: -0.55 ft at 5:30AM Sep 01, 2014Observed: -0.56 ft at 5:45AM Sep 01, 2014Observed: -0.57 ft at 6:00AM Sep 01, 2014Observed: -0.58 ft at 6:15AM Sep 01, 2014Observed: -0.59 ft at 6:30AM Sep 01, 2014Observed: -0.6 ft at 6:45AM Sep 01, 2014Observed: -0.61 ft at 7:00AM Sep 01, 2014Observed: -0.62 ft at 7:15AM Sep 01, 2014Observed: -0.63 ft at 7:30AM Sep 01, 2014Observed: -0.64 ft at 7:45AM Sep 01, 2014Observed: -0.65 ft at 8:00AM Sep 01, 2014Observed: -0.66 ft at 8:15AM Sep 01, 2014Observed: -0.66 ft at 8:30AM Sep 01, 2014Observed: -0.67 ft at 8:45AM Sep 01, 2014Observed: -0.68 ft at 9:00AM Sep 01, 2014Observed: -0.68 ft at 9:15AM Sep 01, 2014Observed: -0.69 ft at 9:30AM Sep 01, 2014Observed: -0.69 ft at 9:45AM Sep 01, 2014Observed: -0.69 ft at 10:00AM Sep 01, 2014Observed: -0.72 ft at 10:15AM Sep 01, 2014Observed: -0.71 ft at 10:30AM Sep 01, 2014Observed: -0.71 ft at 10:45AM Sep 01, 2014Observed: -0.72 ft at 11:00AM Sep 01, 2014Observed: -0.72 ft at 11:15AM Sep 01, 2014Observed: -0.73 ft at 11:30AM Sep 01, 2014Observed: -0.73 ft at 11:45AM Sep 01, 2014Observed: -0.73 ft at 12:00PM Sep 01, 2014Observed: -0.73 ft at 12:15PM Sep 01, 2014Observed: -0.73 ft at 12:30PM Sep 01, 2014Observed: -0.73 ft at 12:45PM Sep 01, 2014Observed: -0.73 ft at 1:00PM Sep 01, 2014Observed: -0.72 ft at 1:15PM Sep 01, 2014Observed: -0.73 ft at 1:30PM Sep 01, 2014Observed: -0.74 ft at 1:45PM Sep 01, 2014Observed: -0.72 ft at 2:00PM Sep 01, 2014Observed: -0.72 ft at 2:15PM Sep 01, 2014Observed: -0.74 ft at 2:30PM Sep 01, 2014Observed: -0.73 ft at 2:45PM Sep 01, 2014Observed: -0.72 ft at 3:00PM Sep 01, 2014Observed: -0.73 ft at 3:15PM Sep 01, 2014Observed: -0.72 ft at 3:30PM Sep 01, 2014Observed: -0.72 ft at 3:45PM Sep 01, 2014Observed: -0.72 ft at 4:00PM Sep 01, 2014Observed: -0.72 ft at 4:15PM Sep 01, 2014Observed: -0.7 ft at 4:30PM Sep 01, 2014Observed: -0.7 ft at 4:45PM Sep 01, 2014Observed: -0.69 ft at 5:00PM Sep 01, 2014Observed: -0.68 ft at 5:15PM Sep 01, 2014Observed: -0.67 ft at 5:30PM Sep 01, 2014Observed: -0.65 ft at 5:45PM Sep 01, 2014Observed: -0.64 ft at 6:00PM Sep 01, 2014Observed: -0.63 ft at 6:15PM Sep 01, 2014Observed: -0.62 ft at 6:30PM Sep 01, 2014Observed: -0.61 ft at 6:45PM Sep 01, 2014Observed: -0.59 ft at 7:00PM Sep 01, 2014Observed: -0.59 ft at 7:15PM Sep 01, 2014Observed: -0.57 ft at 7:30PM Sep 01, 2014Observed: -0.55 ft at 7:45PM Sep 01, 2014Observed: -0.53 ft at 8:00PM Sep 01, 2014Observed: -0.52 ft at 8:15PM Sep 01, 2014Observed: -0.51 ft at 8:30PM Sep 01, 2014Observed: -0.5 ft at 8:45PM Sep 01, 2014Observed: -0.48 ft at 9:00PM Sep 01, 2014Observed: -0.47 ft at 9:15PM Sep 01, 2014Observed: -0.46 ft at 9:30PM Sep 01, 2014Observed: -0.45 ft at 9:45PM Sep 01, 2014Observed: -0.45 ft at 10:00PM Sep 01, 2014Observed: -0.44 ft at 10:15PM Sep 01, 2014Observed: -0.43 ft at 10:30PM Sep 01, 2014Observed: -0.43 ft at 10:45PM Sep 01, 2014Observed: -0.43 ft at 11:00PM Sep 01, 2014Observed: -0.42 ft at 11:15PM Sep 01, 2014Observed: -0.41 ft at 11:30PM Sep 01, 2014Observed: -0.41 ft at 11:45PM Sep 01, 2014Observed: -0.41 ft at 12:00AM Sep 02, 2014Observed: -0.41 ft at 12:15AM Sep 02, 2014Observed: -0.41 ft at 12:30AM Sep 02, 2014Observed: -0.41 ft at 12:45AM Sep 02, 2014Observed: -0.41 ft at 1:00AM Sep 02, 2014Observed: -0.41 ft at 1:15AM Sep 02, 2014Observed: -0.41 ft at 1:30AM Sep 02, 2014Observed: -0.41 ft at 1:45AM Sep 02, 2014Observed: -0.42 ft at 2:00AM Sep 02, 2014Observed: -0.42 ft at 2:15AM Sep 02, 2014Observed: -0.43 ft at 2:30AM Sep 02, 2014Observed: -0.43 ft at 2:45AM Sep 02, 2014Observed: -0.44 ft at 3:00AM Sep 02, 2014Observed: -0.45 ft at 3:15AM Sep 02, 2014Observed: -0.46 ft at 3:30AM Sep 02, 2014Observed: -0.46 ft at 3:45AM Sep 02, 2014Observed: -0.47 ft at 4:00AM Sep 02, 2014Observed: -0.48 ft at 4:15AM Sep 02, 2014Observed: -0.48 ft at 4:30AM Sep 02, 2014Observed: -0.49 ft at 4:45AM Sep 02, 2014Observed: -0.5 ft at 5:00AM Sep 02, 2014Observed: -0.51 ft at 5:15AM Sep 02, 2014Observed: -0.52 ft at 5:30AM Sep 02, 2014Observed: -0.53 ft at 5:45AM Sep 02, 2014Observed: -0.53 ft at 6:00AM Sep 02, 2014Observed: -0.54 ft at 6:15AM Sep 02, 2014Observed: -0.55 ft at 6:30AM Sep 02, 2014Observed: -0.56 ft at 6:45AM Sep 02, 2014Observed: -0.57 ft at 7:00AM Sep 02, 2014Observed: -0.58 ft at 7:15AM Sep 02, 2014Observed: -0.59 ft at 7:30AM Sep 02, 2014Observed: -0.6 ft at 7:45AM Sep 02, 2014Observed: -0.6 ft at 8:00AM Sep 02, 2014Observed: -0.61 ft at 8:15AM Sep 02, 2014Observed: -0.62 ft at 8:30AM Sep 02, 2014Observed: -0.63 ft at 8:45AM Sep 02, 2014Observed: -0.63 ft at 9:00AM Sep 02, 2014Observed: -0.64 ft at 9:15AM Sep 02, 2014Observed: -0.65 ft at 9:30AM Sep 02, 2014Observed: -0.66 ft at 9:45AM Sep 02, 2014Observed: -0.67 ft at 10:00AM Sep 02, 2014Observed: -0.67 ft at 10:15AM Sep 02, 2014Observed: -0.67 ft at 10:30AM Sep 02, 2014Observed: -0.68 ft at 10:45AM Sep 02, 2014Observed: -0.69 ft at 11:00AM Sep 02, 2014Observed: -0.69 ft at 11:15AM Sep 02, 2014Observed: -0.69 ft at 11:30AM Sep 02, 2014Observed: -0.7 ft at 11:45AM Sep 02, 2014Observed: -0.71 ft at 12:00PM Sep 02, 2014Observed: -0.73 ft at 12:15PM Sep 02, 2014Observed: -0.71 ft at 12:30PM Sep 02, 2014Observed: -0.75 ft at 12:45PM Sep 02, 2014Observed: -0.72 ft at 1:00PM Sep 02, 2014Observed: -0.73 ft at 1:15PM Sep 02, 2014Observed: -0.73 ft at 1:30PM Sep 02, 2014Observed: -0.75 ft at 1:45PM Sep 02, 2014Observed: -0.73 ft at 2:00PM Sep 02, 2014Observed: -0.73 ft at 2:15PM Sep 02, 2014Observed: -0.74 ft at 2:30PM Sep 02, 2014Observed: -0.74 ft at 2:45PM Sep 02, 2014Observed: -0.75 ft at 3:00PM Sep 02, 2014Observed: -0.75 ft at 3:15PM Sep 02, 2014Observed: -0.76 ft at 3:30PM Sep 02, 2014Observed: -0.77 ft at 3:45PM Sep 02, 2014Observed: -0.77 ft at 4:00PM Sep 02, 2014Observed: -0.75 ft at 4:15PM Sep 02, 2014Observed: -0.78 ft at 4:30PM Sep 02, 2014Observed: -0.75 ft at 4:45PM Sep 02, 2014Observed: -0.75 ft at 5:00PM Sep 02, 2014Observed: -0.75 ft at 5:15PM Sep 02, 2014Observed: -0.74 ft at 5:30PM Sep 02, 2014Observed: -0.74 ft at 5:45PM Sep 02, 2014Observed: -0.74 ft at 6:00PM Sep 02, 2014Observed: -0.74 ft at 6:15PM Sep 02, 2014Observed: -0.74 ft at 6:30PM Sep 02, 2014Observed: -0.74 ft at 6:45PM Sep 02, 2014Forecast: -0.7 ft 8:00PM Sep 02, 2014Forecast: -0.6 ft 2:00AM Sep 03, 2014Forecast: -0.6 ft 8:00AM Sep 03, 2014Forecast: -0.7 ft 2:00PM Sep 03, 2014Forecast: -0.7 ft 8:00PM Sep 03, 2014Forecast: -0.7 ft 2:00AM Sep 04, 2014Forecast: -0.6 ft 8:00AM Sep 04, 2014Forecast: -0.7 ft 2:00PM Sep 04, 2014Forecast: -0.7 ft 8:00PM Sep 04, 2014Forecast: -0.8 ft 2:00AM Sep 05, 2014Forecast: -0.8 ft 8:00AM Sep 05, 2014USGS--Water Resources of the United StatesNHPP1(plotting HGIRG) Graph Created (7:48PM Sep 2, 2014)ObservedForecast (issued 10:02AM Sep 2)Latest observed value: -0.74 ft at 6:45 PM EDT 2-Sep-2014. Flood Stage is 13 ft
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About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: Forecasts for the Delaware River at New Hope-Lambertville Bridge are issued routinely year-round.
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Upstream Gauge - at Stockton Upstream Gauge Downstream Gauge Downstream Gauge - at Washington Crossing
Flood Categories (in feet)
Major Flood Stage:16
Moderate Flood Stage:15
Flood Stage:13
Action Stage:12

Historical Crests
(1) 24.16 ft on 08/20/1955
(2) 21.80 ft on 10/11/1903
(3) 19.60 ft on 04/04/2005
(4) 19.08 ft on 06/29/2006 (P)
(5) 17.90 ft on 01/08/1841
Show More Historical Crests

(P): Preliminary values subject to further review.

Low Water Records
Zoom Level:16
KML Image
Gauge LocationGauge Map Marker
Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
26 EXTENSIVE FLOODING IN LAMBERTVILLE WITH ALL OF THE LOW-LYING AREAS OF TOWN INUNDATED.
17 WATER IS UP TO THE TOP OF THE FREE BRIDGE PIERS.
16.5 WATER IS TWO-THIRDS OF THE WAY UP CORYELLE STREET IN NEW HOPE.
16 WATER IS AT THE TOP OF THE WALL IN THE WATERWORKS PARKING GARAGE (RIVER SIDE) IN NEW HOPE.
15 RIVER ROAD IN NEW HOPE BEGINS TO FLOOD.
14.5 PARK FLOODS ON EAST FERRY STREET IN NEW HOPE. PATIO FLOODS IN REAR OF THE LANDING. WATERVIEW PARKING GAGAGES IN NEW HOPE BEGIN TO FLOOD.
14 WATER COVERS THE ENTIRE PARKING GARAGE AT THE WATERWORKS CONDOMINIUMS IN NEW HOPE.
13.5 FLOODING OCCURS ON WATERLOO STREET IN NEW HOPE VIA STORM SEWERS.
13 WATER IS AT THE TOP OF THE STONE RETAINING WALL AT THE LANDING IN NEW HOPE. THE WATERWORKS CONDOMINIUM PARKING GARAGE IN NEW HOPE BEGINS TO FLOOD. RESIDENTS ALONG THE NORTH AND SOUTH ENDS OF LAMBERT LANE IN LAMBERTVILLE SUSTAIN MINOR FLOODING, BASEMENTS BEGIN TO FLOOD.
12.5 THE LOWER PARKING LOT BEGINS TO FLOOD AT THE LAMBERTVILLE STATION INN AND RESTAURANT.
About This Location Collapse

Latitude: 40.364722° N, Longitude: 74.948889° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 13 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
Elevation
(gauge height = flood stage)
Elevation information source
NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 49.00 ft 62.00 ft Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Current/Historical Observations:

Additional Information Collapse
During winter months, cold and ice may result in inaccurate real-time stream stage and streamflow data. Adjustments or deletions of this data can only be done after detailed analysis.
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Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
Philadelphia/Mount Holly Weather Forecast Office
732 Woodlane Road
Mount Holly, NJ 08060-9615
(609) 261-6600
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Page last modified: 27-Aug-2014 7:12 PM
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