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Over 200 USGS real-time streamgages used to support NWS river forecasts and warnings are at risk of being discontinued. Click here for more information from the USGS...
Weather Forecast Office Philadelphia/Mount Holly, NJ Middle Atlantic River Forecast Center
Hydrograph River at a Glance Download Weekly Chance of
Exceeding Levels		 Chance of Exceeding Levels
During Entire Period
Lehigh River at Bethlehem Stage (ft)Flow (kcfs)Highest Observation: 3.37 ft at 2:15PM Jun 16, 2013Highest Observation: 3.37 ft at 2:30PM Jun 16, 2013Highest Observation: 3.37 ft at 2:45PM Jun 16, 2013Observed: 3.36 ft at 3:00PM Jun 16, 2013Observed: 3.36 ft at 3:15PM Jun 16, 2013Observed: 3.36 ft at 3:30PM Jun 16, 2013Observed: 3.36 ft at 3:45PM Jun 16, 2013Observed: 3.35 ft at 4:00PM Jun 16, 2013Observed: 3.35 ft at 4:15PM Jun 16, 2013Observed: 3.35 ft at 4:30PM Jun 16, 2013Observed: 3.35 ft at 4:45PM Jun 16, 2013Observed: 3.35 ft at 5:00PM Jun 16, 2013Observed: 3.35 ft at 5:15PM Jun 16, 2013Observed: 3.35 ft at 5:30PM Jun 16, 2013Observed: 3.35 ft at 5:45PM Jun 16, 2013Observed: 3.34 ft at 6:00PM Jun 16, 2013Observed: 3.34 ft at 6:15PM Jun 16, 2013Observed: 3.34 ft at 6:30PM Jun 16, 2013Observed: 3.34 ft at 6:45PM Jun 16, 2013Observed: 3.34 ft at 7:00PM Jun 16, 2013Observed: 3.33 ft at 7:15PM Jun 16, 2013Observed: 3.33 ft at 7:30PM Jun 16, 2013Observed: 3.33 ft at 7:45PM Jun 16, 2013Observed: 3.33 ft at 8:00PM Jun 16, 2013Observed: 3.32 ft at 8:15PM Jun 16, 2013Observed: 3.32 ft at 8:30PM Jun 16, 2013Observed: 3.32 ft at 8:45PM Jun 16, 2013Observed: 3.32 ft at 9:00PM Jun 16, 2013Observed: 3.32 ft at 9:15PM Jun 16, 2013Observed: 3.32 ft at 9:30PM Jun 16, 2013Observed: 3.32 ft at 9:45PM Jun 16, 2013Observed: 3.31 ft at 10:00PM Jun 16, 2013Observed: 3.31 ft at 10:15PM Jun 16, 2013Observed: 3.31 ft at 10:30PM Jun 16, 2013Observed: 3.3 ft at 10:45PM Jun 16, 2013Observed: 3.3 ft at 11:00PM Jun 16, 2013Observed: 3.3 ft at 11:15PM Jun 16, 2013Observed: 3.29 ft at 11:30PM Jun 16, 2013Observed: 3.29 ft at 11:45PM Jun 16, 2013Observed: 3.29 ft at 12:00AM Jun 17, 2013Observed: 3.29 ft at 12:15AM Jun 17, 2013Observed: 3.29 ft at 12:30AM Jun 17, 2013Observed: 3.29 ft at 12:45AM Jun 17, 2013Observed: 3.29 ft at 1:00AM Jun 17, 2013Observed: 3.28 ft at 1:15AM Jun 17, 2013Observed: 3.28 ft at 1:30AM Jun 17, 2013Observed: 3.28 ft at 1:45AM Jun 17, 2013Observed: 3.28 ft at 2:00AM Jun 17, 2013Observed: 3.27 ft at 2:15AM Jun 17, 2013Observed: 3.27 ft at 2:30AM Jun 17, 2013Observed: 3.27 ft at 2:45AM Jun 17, 2013Observed: 3.27 ft at 3:00AM Jun 17, 2013Observed: 3.26 ft at 3:15AM Jun 17, 2013Observed: 3.26 ft at 3:30AM Jun 17, 2013Observed: 3.26 ft at 3:45AM Jun 17, 2013Observed: 3.26 ft at 4:00AM Jun 17, 2013Observed: 3.26 ft at 4:15AM Jun 17, 2013Observed: 3.26 ft at 4:30AM Jun 17, 2013Observed: 3.26 ft at 4:45AM Jun 17, 2013Observed: 3.26 ft at 5:00AM Jun 17, 2013Observed: 3.25 ft at 5:15AM Jun 17, 2013Observed: 3.25 ft at 5:30AM Jun 17, 2013Observed: 3.25 ft at 5:45AM Jun 17, 2013Observed: 3.25 ft at 6:00AM Jun 17, 2013Observed: 3.25 ft at 6:15AM Jun 17, 2013Observed: 3.25 ft at 6:30AM Jun 17, 2013Observed: 3.25 ft at 6:45AM Jun 17, 2013Observed: 3.25 ft at 7:00AM Jun 17, 2013Observed: 3.24 ft at 7:15AM Jun 17, 2013Observed: 3.24 ft at 7:30AM Jun 17, 2013Observed: 3.24 ft at 7:45AM Jun 17, 2013Observed: 3.24 ft at 8:00AM Jun 17, 2013Observed: 3.24 ft at 8:15AM Jun 17, 2013Observed: 3.24 ft at 8:30AM Jun 17, 2013Observed: 3.23 ft at 8:45AM Jun 17, 2013Observed: 3.23 ft at 9:00AM Jun 17, 2013Observed: 3.23 ft at 9:15AM Jun 17, 2013Observed: 3.23 ft at 9:30AM Jun 17, 2013Observed: 3.23 ft at 9:45AM Jun 17, 2013Observed: 3.23 ft at 10:00AM Jun 17, 2013Observed: 3.23 ft at 10:15AM Jun 17, 2013Observed: 3.23 ft at 10:30AM Jun 17, 2013Observed: 3.23 ft at 10:45AM Jun 17, 2013Observed: 3.23 ft at 11:00AM Jun 17, 2013Observed: 3.23 ft at 11:15AM Jun 17, 2013Observed: 3.23 ft at 11:30AM Jun 17, 2013Observed: 3.22 ft at 11:45AM Jun 17, 2013Observed: 3.22 ft at 12:00PM Jun 17, 2013Observed: 3.22 ft at 12:15PM Jun 17, 2013Observed: 3.23 ft at 12:30PM Jun 17, 2013Observed: 3.23 ft at 12:45PM Jun 17, 2013Observed: 3.23 ft at 1:00PM Jun 17, 2013Observed: 3.23 ft at 1:15PM Jun 17, 2013Observed: 3.23 ft at 1:30PM Jun 17, 2013Observed: 3.22 ft at 1:45PM Jun 17, 2013Observed: 3.22 ft at 2:00PM Jun 17, 2013Observed: 3.22 ft at 2:15PM Jun 17, 2013Observed: 3.22 ft at 2:30PM Jun 17, 2013Observed: 3.22 ft at 2:45PM Jun 17, 2013Observed: 3.22 ft at 3:00PM Jun 17, 2013Observed: 3.22 ft at 3:15PM Jun 17, 2013Observed: 3.21 ft at 3:30PM Jun 17, 2013Observed: 3.21 ft at 3:45PM Jun 17, 2013Observed: 3.21 ft at 4:00PM Jun 17, 2013Observed: 3.21 ft at 4:15PM Jun 17, 2013Observed: 3.21 ft at 4:30PM Jun 17, 2013Observed: 3.21 ft at 4:45PM Jun 17, 2013Observed: 3.21 ft at 5:00PM Jun 17, 2013Observed: 3.23 ft at 5:15PM Jun 17, 2013Observed: 3.24 ft at 5:30PM Jun 17, 2013Observed: 3.24 ft at 5:45PM Jun 17, 2013Observed: 3.24 ft at 6:00PM Jun 17, 2013Observed: 3.24 ft at 6:15PM Jun 17, 2013Observed: 3.24 ft at 6:30PM Jun 17, 2013Observed: 3.24 ft at 6:45PM Jun 17, 2013Observed: 3.24 ft at 7:00PM Jun 17, 2013Observed: 3.24 ft at 7:15PM Jun 17, 2013Observed: 3.24 ft at 7:30PM Jun 17, 2013Observed: 3.24 ft at 7:45PM Jun 17, 2013Observed: 3.24 ft at 8:00PM Jun 17, 2013Observed: 3.24 ft at 8:15PM Jun 17, 2013Observed: 3.24 ft at 8:30PM Jun 17, 2013Observed: 3.24 ft at 8:45PM Jun 17, 2013Observed: 3.24 ft at 9:00PM Jun 17, 2013Observed: 3.23 ft at 9:15PM Jun 17, 2013Observed: 3.23 ft at 9:30PM Jun 17, 2013Observed: 3.23 ft at 9:45PM Jun 17, 2013Observed: 3.22 ft at 10:00PM Jun 17, 2013Observed: 3.21 ft at 10:15PM Jun 17, 2013Observed: 3.21 ft at 10:30PM Jun 17, 2013Observed: 3.2 ft at 10:45PM Jun 17, 2013Observed: 3.2 ft at 11:00PM Jun 17, 2013Observed: 3.19 ft at 11:15PM Jun 17, 2013Observed: 3.18 ft at 11:30PM Jun 17, 2013Observed: 3.17 ft at 11:45PM Jun 17, 2013Observed: 3.16 ft at 12:00AM Jun 18, 2013Observed: 3.14 ft at 12:15AM Jun 18, 2013Observed: 3.13 ft at 12:30AM Jun 18, 2013Observed: 3.12 ft at 12:45AM Jun 18, 2013Observed: 3.11 ft at 1:00AM Jun 18, 2013Observed: 3.1 ft at 1:15AM Jun 18, 2013Observed: 3.08 ft at 1:30AM Jun 18, 2013Observed: 3.07 ft at 1:45AM Jun 18, 2013Observed: 3.06 ft at 2:00AM Jun 18, 2013Observed: 3.05 ft at 2:15AM Jun 18, 2013Observed: 3.04 ft at 2:30AM Jun 18, 2013Observed: 3.04 ft at 2:45AM Jun 18, 2013Observed: 3.03 ft at 3:00AM Jun 18, 2013Observed: 3.03 ft at 3:15AM Jun 18, 2013Observed: 3.03 ft at 3:30AM Jun 18, 2013Observed: 3.02 ft at 3:45AM Jun 18, 2013Observed: 3.02 ft at 4:00AM Jun 18, 2013Observed: 3.02 ft at 4:15AM Jun 18, 2013Observed: 3.02 ft at 4:30AM Jun 18, 2013Observed: 3.02 ft at 4:45AM Jun 18, 2013Observed: 3.01 ft at 5:00AM Jun 18, 2013Observed: 3.01 ft at 5:15AM Jun 18, 2013Observed: 3.01 ft at 5:30AM Jun 18, 2013Observed: 3.01 ft at 5:45AM Jun 18, 2013Observed: 3 ft at 6:00AM Jun 18, 2013Observed: 3 ft at 6:15AM Jun 18, 2013Observed: 2.99 ft at 6:30AM Jun 18, 2013Observed: 2.99 ft at 6:45AM Jun 18, 2013Observed: 2.98 ft at 7:00AM Jun 18, 2013Observed: 2.98 ft at 7:15AM Jun 18, 2013Observed: 2.98 ft at 7:30AM Jun 18, 2013Observed: 2.97 ft at 7:45AM Jun 18, 2013Observed: 2.97 ft at 8:00AM Jun 18, 2013Observed: 2.96 ft at 8:15AM Jun 18, 2013Observed: 2.96 ft at 8:30AM Jun 18, 2013Observed: 2.96 ft at 8:45AM Jun 18, 2013Observed: 2.95 ft at 9:00AM Jun 18, 2013Observed: 2.95 ft at 9:15AM Jun 18, 2013Observed: 2.95 ft at 9:30AM Jun 18, 2013Observed: 2.95 ft at 9:45AM Jun 18, 2013Observed: 2.95 ft at 10:00AM Jun 18, 2013Observed: 2.94 ft at 10:15AM Jun 18, 2013Observed: 2.94 ft at 10:16AM Jun 18, 2013Observed: 2.94 ft at 10:30AM Jun 18, 2013Observed: 2.94 ft at 10:45AM Jun 18, 2013Observed: 2.94 ft at 11:00AM Jun 18, 2013Observed: 2.94 ft at 11:15AM Jun 18, 2013Observed: 2.94 ft at 11:30AM Jun 18, 2013Observed: 2.94 ft at 11:45AM Jun 18, 2013Observed: 2.94 ft at 12:00PM Jun 18, 2013Observed: 2.94 ft at 12:15PM Jun 18, 2013Observed: 2.94 ft at 12:30PM Jun 18, 2013Observed: 2.94 ft at 12:45PM Jun 18, 2013Observed: 2.94 ft at 1:00PM Jun 18, 2013Observed: 2.94 ft at 1:15PM Jun 18, 2013Observed: 2.94 ft at 1:30PM Jun 18, 2013Observed: 2.93 ft at 1:45PM Jun 18, 2013Observed: 2.93 ft at 2:00PM Jun 18, 2013Observed: 2.93 ft at 2:15PM Jun 18, 2013Observed: 2.93 ft at 2:30PM Jun 18, 2013Observed: 2.93 ft at 2:45PM Jun 18, 2013Observed: 2.93 ft at 3:00PM Jun 18, 2013Observed: 2.93 ft at 3:15PM Jun 18, 2013Observed: 2.93 ft at 3:30PM Jun 18, 2013Observed: 2.93 ft at 3:45PM Jun 18, 2013Observed: 2.93 ft at 4:00PM Jun 18, 2013Observed: 2.93 ft at 4:15PM Jun 18, 2013Observed: 2.93 ft at 4:30PM Jun 18, 2013Observed: 2.93 ft at 4:45PM Jun 18, 2013Observed: 2.93 ft at 5:00PM Jun 18, 2013Observed: 2.92 ft at 5:15PM Jun 18, 2013Observed: 2.92 ft at 5:30PM Jun 18, 2013Observed: 2.91 ft at 5:45PM Jun 18, 2013Observed: 2.9 ft at 6:00PM Jun 18, 2013Observed: 2.9 ft at 6:15PM Jun 18, 2013Observed: 2.89 ft at 6:30PM Jun 18, 2013Observed: 2.88 ft at 6:45PM Jun 18, 2013Observed: 2.88 ft at 7:00PM Jun 18, 2013Observed: 2.88 ft at 7:15PM Jun 18, 2013Observed: 2.87 ft at 7:30PM Jun 18, 2013Observed: 2.89 ft at 7:45PM Jun 18, 2013Observed: 2.9 ft at 8:00PM Jun 18, 2013Observed: 2.89 ft at 8:15PM Jun 18, 2013Observed: 2.88 ft at 8:30PM Jun 18, 2013Observed: 2.88 ft at 8:45PM Jun 18, 2013Observed: 2.88 ft at 9:00PM Jun 18, 2013Observed: 2.89 ft at 9:15PM Jun 18, 2013Observed: 2.9 ft at 9:30PM Jun 18, 2013Observed: 2.91 ft at 9:45PM Jun 18, 2013Observed: 2.92 ft at 10:00PM Jun 18, 2013Observed: 2.93 ft at 10:15PM Jun 18, 2013Observed: 2.93 ft at 10:16PM Jun 18, 2013Observed: 2.94 ft at 10:30PM Jun 18, 2013Observed: 2.94 ft at 10:45PM Jun 18, 2013Observed: 2.94 ft at 11:00PM Jun 18, 2013Observed: 2.93 ft at 11:15PM Jun 18, 2013Observed: 2.93 ft at 11:30PM Jun 18, 2013Observed: 2.92 ft at 11:45PM Jun 18, 2013Observed: 2.91 ft at 12:00AM Jun 19, 2013Observed: 2.9 ft at 12:15AM Jun 19, 2013Observed: 2.9 ft at 12:30AM Jun 19, 2013Observed: 2.89 ft at 12:45AM Jun 19, 2013Observed: 2.88 ft at 1:00AM Jun 19, 2013Observed: 2.88 ft at 1:15AM Jun 19, 2013Observed: 2.89 ft at 1:30AM Jun 19, 2013Observed: 2.89 ft at 1:45AM Jun 19, 2013Observed: 2.9 ft at 2:00AM Jun 19, 2013Observed: 2.91 ft at 2:15AM Jun 19, 2013Observed: 2.92 ft at 2:30AM Jun 19, 2013Observed: 2.92 ft at 2:45AM Jun 19, 2013Observed: 2.93 ft at 3:00AM Jun 19, 2013Observed: 2.93 ft at 3:15AM Jun 19, 2013Observed: 2.92 ft at 3:30AM Jun 19, 2013Observed: 2.91 ft at 3:45AM Jun 19, 2013Observed: 2.9 ft at 4:00AM Jun 19, 2013Observed: 2.89 ft at 4:15AM Jun 19, 2013Observed: 2.88 ft at 4:30AM Jun 19, 2013Observed: 2.88 ft at 4:45AM Jun 19, 2013Observed: 2.87 ft at 5:00AM Jun 19, 2013Observed: 2.86 ft at 5:15AM Jun 19, 2013Observed: 2.85 ft at 5:30AM Jun 19, 2013Observed: 2.84 ft at 5:45AM Jun 19, 2013Observed: 2.83 ft at 6:00AM Jun 19, 2013Observed: 2.82 ft at 6:15AM Jun 19, 2013Observed: 2.82 ft at 6:30AM Jun 19, 2013Observed: 2.81 ft at 6:45AM Jun 19, 2013Observed: 2.8 ft at 7:00AM Jun 19, 2013Observed: 2.8 ft at 7:15AM Jun 19, 2013Observed: 2.79 ft at 7:30AM Jun 19, 2013Observed: 2.79 ft at 7:45AM Jun 19, 2013Observed: 2.78 ft at 8:00AM Jun 19, 2013Observed: 2.78 ft at 8:15AM Jun 19, 2013Observed: 2.77 ft at 8:30AM Jun 19, 2013Observed: 2.77 ft at 8:45AM Jun 19, 2013Observed: 2.77 ft at 9:00AM Jun 19, 2013Observed: 2.76 ft at 9:15AM Jun 19, 2013Observed: 2.76 ft at 9:30AM Jun 19, 2013Observed: 2.76 ft at 9:45AM Jun 19, 2013Observed: 2.76 ft at 10:00AM Jun 19, 2013Observed: 2.75 ft at 10:15AM Jun 19, 2013Observed: 2.75 ft at 10:16AM Jun 19, 2013Observed: 2.75 ft at 10:30AM Jun 19, 2013Observed: 2.75 ft at 10:45AM Jun 19, 2013Observed: 2.75 ft at 11:00AM Jun 19, 2013Observed: 2.75 ft at 11:15AM Jun 19, 2013Observed: 2.75 ft at 11:30AM Jun 19, 2013Observed: 2.74 ft at 11:45AM Jun 19, 2013Observed: 2.74 ft at 12:00PM Jun 19, 2013Observed: 2.74 ft at 12:15PM Jun 19, 2013Observed: 2.74 ft at 12:30PM Jun 19, 2013Observed: 2.74 ft at 12:45PM Jun 19, 2013Observed: 2.74 ft at 1:00PM Jun 19, 2013Observed: 2.73 ft at 1:15PM Jun 19, 2013Observed: 2.73 ft at 1:30PM Jun 19, 2013Highest Forecast: 2.6 ft 8:00PM Jun 19, 2013Highest Forecast: 2.6 ft 2:00AM Jun 20, 2013Highest Forecast: 2.6 ft 8:00AM Jun 20, 2013Forecast: 2.5 ft 2:00PM Jun 20, 2013Forecast: 2.5 ft 8:00PM Jun 20, 2013Forecast: 2.5 ft 2:00AM Jun 21, 2013Forecast: 2.5 ft 8:00AM Jun 21, 2013Forecast: 2.4 ft 2:00PM Jun 21, 2013Forecast: 2.4 ft 8:00PM Jun 21, 2013Forecast: 2.4 ft 2:00AM Jun 22, 2013Forecast: 2.4 ft 8:00AM Jun 22, 2013USGS--Water Resources of the United StatesBETP1(plotting HGIRG) Graph Created (2:02PM Jun 19, 2013)ObservedForecast (issued 8:45AM Jun 19)Latest observed value: 2.73 ft at 1:30 PM EDT 19-Jun-2013. Flood Stage is 16 ft
Printable Image
About this graph
Tabular Data
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Forecasts for the Lehigh River at Bethlehem are issued routinely year-round.
Return to Area Map
Upstream Gauge - at Walnutport Upstream Gauge Downstream Gauge Downstream Gauge - at Glendon
Flood Categories (in feet)
Major Flood Stage:22
Moderate Flood Stage:20
Flood Stage:16
Action Stage:12

Historical Crests
(1) 25.90 ft on 05/23/1942
(2) 24.90 ft on 02/28/1902
(3) 23.38 ft on 08/19/1955
(4) 20.02 ft on 06/23/1972
(5) 19.70 ft on 09/18/2004
Show More Historical Crests

Low Water Records
(1) 0.60 ft on 10/15/1910
Legend
Gauge Location
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
25 Levees in the Bethleham area topped. Major flooding begins
16 Wilson Avenue takes on water.
15.5 Sand Island recreational area in Bethlehem is flooded.
15 The islands in the Allentown area begin to flood
14 Flooding begins upstream in Allentown. Backwater begins to effect the Little Lehigh and Jordan Creeks
About This Location Collapse

Latitude: 40.615278° N, Longitude: 75.379167° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 16 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 29 210.94 ft 226.94 ft Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Other Data Sources:
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.
Resources Collapse
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: 13-Mar-2013 6:34 PM 		Disclaimer
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