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Hydrograph River at a Glance Download
Lehigh River at Bethlehem Stage (ft)Flow (kcfs)Observed: 2.02 ft at 9:30PM Jul 19, 2014Observed: 2.12 ft at 10:45PM Jul 19, 2014Observed: 2.14 ft at 11:00PM Jul 19, 2014Observed: 2.16 ft at 11:15PM Jul 19, 2014Observed: 2.18 ft at 11:30PM Jul 19, 2014Observed: 2.19 ft at 11:45PM Jul 19, 2014Observed: 2.19 ft at 12:00AM Jul 20, 2014Observed: 2.2 ft at 12:15AM Jul 20, 2014Observed: 2.21 ft at 12:30AM Jul 20, 2014Observed: 2.21 ft at 12:45AM Jul 20, 2014Observed: 2.22 ft at 1:00AM Jul 20, 2014Observed: 2.22 ft at 1:15AM Jul 20, 2014Observed: 2.22 ft at 1:30AM Jul 20, 2014Observed: 2.23 ft at 1:45AM Jul 20, 2014Observed: 2.23 ft at 2:00AM Jul 20, 2014Observed: 2.23 ft at 2:15AM Jul 20, 2014Observed: 2.23 ft at 2:30AM Jul 20, 2014Observed: 2.23 ft at 2:45AM Jul 20, 2014Observed: 2.23 ft at 3:00AM Jul 20, 2014Highest Observation: 2.24 ft at 3:15AM Jul 20, 2014Highest Observation: 2.24 ft at 3:30AM Jul 20, 2014Observed: 2.23 ft at 3:45AM Jul 20, 2014Observed: 2.23 ft at 4:00AM Jul 20, 2014Observed: 2.23 ft at 4:15AM Jul 20, 2014Observed: 2.23 ft at 4:30AM Jul 20, 2014Observed: 2.23 ft at 4:45AM Jul 20, 2014Observed: 2.23 ft at 5:00AM Jul 20, 2014Observed: 2.23 ft at 5:15AM Jul 20, 2014Observed: 2.23 ft at 5:30AM Jul 20, 2014Observed: 2.23 ft at 5:45AM Jul 20, 2014Observed: 2.22 ft at 6:00AM Jul 20, 2014Observed: 2.22 ft at 6:15AM Jul 20, 2014Observed: 2.22 ft at 6:30AM Jul 20, 2014Observed: 2.22 ft at 6:45AM Jul 20, 2014Observed: 2.21 ft at 7:00AM Jul 20, 2014Observed: 2.21 ft at 7:15AM Jul 20, 2014Observed: 2.21 ft at 7:30AM Jul 20, 2014Observed: 2.2 ft at 7:45AM Jul 20, 2014Observed: 2.19 ft at 8:00AM Jul 20, 2014Observed: 2.19 ft at 8:15AM Jul 20, 2014Observed: 2.18 ft at 8:30AM Jul 20, 2014Observed: 2.17 ft at 8:45AM Jul 20, 2014Observed: 2.16 ft at 9:00AM Jul 20, 2014Observed: 2.15 ft at 9:15AM Jul 20, 2014Observed: 2.14 ft at 9:30AM Jul 20, 2014Observed: 2.13 ft at 9:45AM Jul 20, 2014Observed: 2.12 ft at 10:00AM Jul 20, 2014Observed: 2.12 ft at 10:15AM Jul 20, 2014Observed: 2.11 ft at 10:30AM Jul 20, 2014Observed: 2.1 ft at 10:45AM Jul 20, 2014Observed: 2.09 ft at 11:00AM Jul 20, 2014Observed: 2.08 ft at 11:15AM Jul 20, 2014Observed: 2.07 ft at 11:30AM Jul 20, 2014Observed: 2.06 ft at 11:45AM Jul 20, 2014Observed: 2.05 ft at 12:00PM Jul 20, 2014Observed: 2.04 ft at 12:15PM Jul 20, 2014Observed: 2.03 ft at 12:30PM Jul 20, 2014Observed: 2.02 ft at 12:45PM Jul 20, 2014Observed: 2.02 ft at 1:00PM Jul 20, 2014Observed: 2.01 ft at 1:15PM Jul 20, 2014Observed: 2.01 ft at 1:30PM Jul 20, 2014Observed: 2 ft at 1:45PM Jul 20, 2014Observed: 2 ft at 2:00PM Jul 20, 2014Observed: 2 ft at 2:15PM Jul 20, 2014Observed: 1.99 ft at 2:30PM Jul 20, 2014Observed: 1.99 ft at 2:45PM Jul 20, 2014Observed: 1.99 ft at 3:00PM Jul 20, 2014Observed: 1.98 ft at 3:15PM Jul 20, 2014Observed: 1.98 ft at 3:30PM Jul 20, 2014Observed: 1.98 ft at 3:45PM Jul 20, 2014Observed: 1.98 ft at 4:00PM Jul 20, 2014Observed: 1.97 ft at 4:15PM Jul 20, 2014Observed: 1.97 ft at 4:30PM Jul 20, 2014Observed: 1.97 ft at 4:45PM Jul 20, 2014Observed: 1.97 ft at 5:00PM Jul 20, 2014Observed: 1.96 ft at 5:15PM Jul 20, 2014Observed: 1.96 ft at 5:30PM Jul 20, 2014Observed: 1.96 ft at 5:45PM Jul 20, 2014Observed: 1.95 ft at 6:00PM Jul 20, 2014Observed: 1.95 ft at 6:15PM Jul 20, 2014Observed: 1.95 ft at 6:30PM Jul 20, 2014Observed: 1.95 ft at 6:45PM Jul 20, 2014Observed: 1.95 ft at 7:00PM Jul 20, 2014Observed: 1.95 ft at 7:15PM Jul 20, 2014Observed: 1.95 ft at 7:30PM Jul 20, 2014Observed: 1.95 ft at 7:45PM Jul 20, 2014Observed: 1.95 ft at 8:00PM Jul 20, 2014Observed: 1.95 ft at 8:15PM Jul 20, 2014Observed: 1.95 ft at 8:30PM Jul 20, 2014Observed: 1.95 ft at 8:45PM Jul 20, 2014Observed: 1.96 ft at 9:00PM Jul 20, 2014Observed: 1.96 ft at 9:15PM Jul 20, 2014Observed: 1.97 ft at 9:30PM Jul 20, 2014Observed: 1.98 ft at 9:45PM Jul 20, 2014Observed: 2 ft at 10:00PM Jul 20, 2014Observed: 2.01 ft at 10:15PM Jul 20, 2014Observed: 2.03 ft at 10:30PM Jul 20, 2014Observed: 2.06 ft at 10:45PM Jul 20, 2014Observed: 2.08 ft at 11:00PM Jul 20, 2014Observed: 2.1 ft at 11:15PM Jul 20, 2014Observed: 2.11 ft at 11:30PM Jul 20, 2014Observed: 2.11 ft at 11:31PM Jul 20, 2014Observed: 2.13 ft at 11:45PM Jul 20, 2014Observed: 2.14 ft at 12:00AM Jul 21, 2014Observed: 2.15 ft at 12:15AM Jul 21, 2014Observed: 2.16 ft at 12:30AM Jul 21, 2014Observed: 2.16 ft at 12:45AM Jul 21, 2014Observed: 2.16 ft at 1:00AM Jul 21, 2014Observed: 2.17 ft at 1:15AM Jul 21, 2014Observed: 2.17 ft at 1:30AM Jul 21, 2014Observed: 2.18 ft at 1:45AM Jul 21, 2014Observed: 2.17 ft at 2:00AM Jul 21, 2014Observed: 2.18 ft at 2:15AM Jul 21, 2014Observed: 2.18 ft at 2:30AM Jul 21, 2014Observed: 2.18 ft at 2:45AM Jul 21, 2014Observed: 2.18 ft at 3:00AM Jul 21, 2014Observed: 2.18 ft at 3:15AM Jul 21, 2014Observed: 2.18 ft at 3:30AM Jul 21, 2014Observed: 2.18 ft at 3:45AM Jul 21, 2014Observed: 2.18 ft at 4:00AM Jul 21, 2014Observed: 2.18 ft at 4:15AM Jul 21, 2014Observed: 2.18 ft at 4:30AM Jul 21, 2014Observed: 2.18 ft at 4:45AM Jul 21, 2014Observed: 2.18 ft at 5:00AM Jul 21, 2014Observed: 2.18 ft at 5:15AM Jul 21, 2014Observed: 2.18 ft at 5:30AM Jul 21, 2014Observed: 2.18 ft at 5:45AM Jul 21, 2014Observed: 2.17 ft at 6:00AM Jul 21, 2014Observed: 2.17 ft at 6:15AM Jul 21, 2014Observed: 2.17 ft at 6:30AM Jul 21, 2014Observed: 2.17 ft at 6:45AM Jul 21, 2014Observed: 2.17 ft at 7:00AM Jul 21, 2014Observed: 2.16 ft at 7:15AM Jul 21, 2014Observed: 2.16 ft at 7:30AM Jul 21, 2014Observed: 2.16 ft at 7:45AM Jul 21, 2014Observed: 2.15 ft at 8:00AM Jul 21, 2014Observed: 2.15 ft at 8:15AM Jul 21, 2014Observed: 2.14 ft at 8:30AM Jul 21, 2014Observed: 2.13 ft at 8:45AM Jul 21, 2014Observed: 2.12 ft at 9:00AM Jul 21, 2014Observed: 2.12 ft at 9:15AM Jul 21, 2014Observed: 2.11 ft at 9:30AM Jul 21, 2014Observed: 2.1 ft at 9:45AM Jul 21, 2014Observed: 2.09 ft at 10:00AM Jul 21, 2014Observed: 2.08 ft at 10:15AM Jul 21, 2014Observed: 2.07 ft at 10:30AM Jul 21, 2014Observed: 2.06 ft at 10:45AM Jul 21, 2014Observed: 2.05 ft at 11:00AM Jul 21, 2014Observed: 2.04 ft at 11:15AM Jul 21, 2014Observed: 2.03 ft at 11:30AM Jul 21, 2014Observed: 2.03 ft at 11:31AM Jul 21, 2014Observed: 2.02 ft at 11:45AM Jul 21, 2014Observed: 2.01 ft at 12:00PM Jul 21, 2014Observed: 2 ft at 12:15PM Jul 21, 2014Observed: 2 ft at 12:30PM Jul 21, 2014Observed: 1.99 ft at 12:45PM Jul 21, 2014Observed: 1.99 ft at 1:00PM Jul 21, 2014Observed: 1.98 ft at 1:15PM Jul 21, 2014Observed: 1.98 ft at 1:30PM Jul 21, 2014Observed: 1.97 ft at 1:45PM Jul 21, 2014Observed: 1.97 ft at 2:00PM Jul 21, 2014Observed: 1.96 ft at 2:15PM Jul 21, 2014Observed: 1.96 ft at 2:30PM Jul 21, 2014Observed: 1.95 ft at 2:45PM Jul 21, 2014Observed: 1.95 ft at 3:00PM Jul 21, 2014Observed: 1.94 ft at 3:15PM Jul 21, 2014Observed: 1.94 ft at 3:30PM Jul 21, 2014Observed: 1.93 ft at 3:45PM Jul 21, 2014Observed: 1.93 ft at 4:00PM Jul 21, 2014Observed: 1.93 ft at 4:15PM Jul 21, 2014Observed: 1.92 ft at 4:30PM Jul 21, 2014Observed: 1.92 ft at 4:45PM Jul 21, 2014Observed: 1.92 ft at 5:00PM Jul 21, 2014Observed: 1.92 ft at 5:15PM Jul 21, 2014Observed: 1.91 ft at 5:30PM Jul 21, 2014Observed: 1.91 ft at 5:45PM Jul 21, 2014Observed: 1.91 ft at 6:00PM Jul 21, 2014Observed: 1.91 ft at 6:15PM Jul 21, 2014Observed: 1.91 ft at 6:30PM Jul 21, 2014Observed: 1.91 ft at 6:45PM Jul 21, 2014Observed: 1.91 ft at 7:00PM Jul 21, 2014Observed: 1.91 ft at 7:15PM Jul 21, 2014Observed: 1.92 ft at 7:30PM Jul 21, 2014Observed: 1.92 ft at 7:45PM Jul 21, 2014Observed: 1.92 ft at 8:00PM Jul 21, 2014Observed: 1.92 ft at 8:15PM Jul 21, 2014Observed: 1.92 ft at 8:30PM Jul 21, 2014Observed: 1.91 ft at 8:45PM Jul 21, 2014Observed: 1.91 ft at 9:00PM Jul 21, 2014Observed: 1.91 ft at 9:15PM Jul 21, 2014Observed: 1.91 ft at 9:30PM Jul 21, 2014Observed: 1.91 ft at 9:45PM Jul 21, 2014Observed: 1.91 ft at 10:00PM Jul 21, 2014Observed: 1.9 ft at 10:15PM Jul 21, 2014Observed: 1.9 ft at 10:30PM Jul 21, 2014Observed: 1.9 ft at 10:45PM Jul 21, 2014Observed: 1.9 ft at 11:00PM Jul 21, 2014Observed: 1.9 ft at 11:15PM Jul 21, 2014Observed: 1.9 ft at 11:30PM Jul 21, 2014Observed: 1.9 ft at 11:31PM Jul 21, 2014Observed: 1.9 ft at 11:45PM Jul 21, 2014Observed: 1.9 ft at 12:00AM Jul 22, 2014Observed: 1.9 ft at 12:15AM Jul 22, 2014Observed: 1.9 ft at 12:30AM Jul 22, 2014Observed: 1.9 ft at 12:45AM Jul 22, 2014Observed: 1.9 ft at 1:00AM Jul 22, 2014Observed: 1.9 ft at 1:15AM Jul 22, 2014Observed: 1.91 ft at 1:30AM Jul 22, 2014Observed: 1.91 ft at 1:45AM Jul 22, 2014Observed: 1.91 ft at 2:00AM Jul 22, 2014Observed: 1.92 ft at 2:15AM Jul 22, 2014Observed: 1.92 ft at 2:30AM Jul 22, 2014Observed: 1.92 ft at 2:45AM Jul 22, 2014Observed: 1.92 ft at 3:00AM Jul 22, 2014Observed: 1.92 ft at 3:15AM Jul 22, 2014Observed: 1.92 ft at 3:30AM Jul 22, 2014Observed: 1.93 ft at 3:45AM Jul 22, 2014Observed: 1.93 ft at 4:00AM Jul 22, 2014Observed: 1.93 ft at 4:15AM Jul 22, 2014Observed: 1.92 ft at 4:30AM Jul 22, 2014Observed: 1.92 ft at 4:45AM Jul 22, 2014Observed: 1.92 ft at 5:00AM Jul 22, 2014Observed: 1.92 ft at 5:15AM Jul 22, 2014Observed: 1.92 ft at 5:30AM Jul 22, 2014Observed: 1.92 ft at 5:45AM Jul 22, 2014Observed: 1.92 ft at 6:00AM Jul 22, 2014Observed: 1.92 ft at 6:15AM Jul 22, 2014Observed: 1.92 ft at 6:30AM Jul 22, 2014Observed: 1.92 ft at 6:45AM Jul 22, 2014Observed: 1.92 ft at 7:00AM Jul 22, 2014Observed: 1.92 ft at 7:15AM Jul 22, 2014Observed: 1.92 ft at 7:30AM Jul 22, 2014Observed: 1.92 ft at 7:45AM Jul 22, 2014Observed: 1.92 ft at 8:00AM Jul 22, 2014Observed: 1.92 ft at 8:15AM Jul 22, 2014Observed: 1.92 ft at 8:30AM Jul 22, 2014Observed: 1.92 ft at 8:45AM Jul 22, 2014Observed: 1.92 ft at 9:00AM Jul 22, 2014Observed: 1.92 ft at 9:15AM Jul 22, 2014Observed: 1.92 ft at 9:30AM Jul 22, 2014Observed: 1.92 ft at 9:45AM Jul 22, 2014Observed: 1.92 ft at 10:00AM Jul 22, 2014Observed: 1.92 ft at 10:15AM Jul 22, 2014Observed: 1.92 ft at 10:30AM Jul 22, 2014Observed: 1.92 ft at 10:45AM Jul 22, 2014Observed: 1.92 ft at 11:00AM Jul 22, 2014Observed: 1.92 ft at 11:15AM Jul 22, 2014Observed: 1.92 ft at 11:30AM Jul 22, 2014Observed: 1.92 ft at 11:31AM Jul 22, 2014Observed: 1.92 ft at 11:45AM Jul 22, 2014Observed: 1.92 ft at 12:00PM Jul 22, 2014Observed: 1.93 ft at 12:15PM Jul 22, 2014Observed: 1.93 ft at 12:30PM Jul 22, 2014Observed: 1.93 ft at 12:45PM Jul 22, 2014Observed: 1.93 ft at 1:00PM Jul 22, 2014Observed: 1.93 ft at 1:15PM Jul 22, 2014Observed: 1.93 ft at 1:30PM Jul 22, 2014Observed: 1.93 ft at 1:45PM Jul 22, 2014Observed: 1.93 ft at 2:00PM Jul 22, 2014Observed: 1.93 ft at 2:15PM Jul 22, 2014Observed: 1.93 ft at 2:30PM Jul 22, 2014Observed: 1.93 ft at 2:45PM Jul 22, 2014Observed: 1.93 ft at 3:00PM Jul 22, 2014Observed: 1.93 ft at 3:15PM Jul 22, 2014Observed: 1.93 ft at 3:30PM Jul 22, 2014Observed: 1.93 ft at 3:45PM Jul 22, 2014Observed: 1.93 ft at 4:00PM Jul 22, 2014Observed: 1.93 ft at 4:15PM Jul 22, 2014Observed: 1.93 ft at 4:30PM Jul 22, 2014Observed: 1.92 ft at 4:45PM Jul 22, 2014Observed: 1.92 ft at 5:00PM Jul 22, 2014Observed: 1.92 ft at 5:15PM Jul 22, 2014Observed: 1.92 ft at 5:30PM Jul 22, 2014Observed: 1.92 ft at 5:45PM Jul 22, 2014Observed: 1.93 ft at 6:00PM Jul 22, 2014Observed: 1.93 ft at 6:15PM Jul 22, 2014Observed: 1.93 ft at 6:30PM Jul 22, 2014Observed: 1.93 ft at 6:45PM Jul 22, 2014Observed: 1.93 ft at 7:00PM Jul 22, 2014Observed: 1.93 ft at 7:15PM Jul 22, 2014Observed: 1.93 ft at 7:30PM Jul 22, 2014Observed: 1.93 ft at 7:45PM Jul 22, 2014Observed: 1.93 ft at 8:00PM Jul 22, 2014Observed: 1.92 ft at 8:15PM Jul 22, 2014Observed: 1.92 ft at 8:30PM Jul 22, 2014Forecast: 1.9 ft 2:00AM Jul 23, 2014Forecast: 1.9 ft 8:00AM Jul 23, 2014Forecast: 1.9 ft 2:00PM Jul 23, 2014Forecast: 1.9 ft 8:00PM Jul 23, 2014Forecast: 1.9 ft 2:00AM Jul 24, 2014Forecast: 1.9 ft 8:00AM Jul 24, 2014Highest Forecast: 2 ft 2:00PM Jul 24, 2014Highest Forecast: 2 ft 8:00PM Jul 24, 2014Forecast: 1.9 ft 2:00AM Jul 25, 2014Forecast: 1.9 ft 8:00AM Jul 25, 2014USGS--Water Resources of the United StatesBETP1(plotting HGIRG) Graph Created (9:16PM Jul 22, 2014)ObservedForecast (issued 8:45AM Jul 22)Latest observed value: 1.92 ft at 8:30 PM EDT 22-Jul-2014. Flood Stage is 16 ft
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About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Forecasts for the Lehigh River at Bethlehem are issued routinely year-round.
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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

(P): Preliminary values subject to further review.

Low Water Records
(1) 0.60 ft on 10/15/1910
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
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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  

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.
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: 16-Jul-2014 2:08 AM
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