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USGS 01452000 Jordan Creek at Allentown, PA

  Stream Site

Latitude 40°37'23",   Longitude 75°28'58"   NAD27
Lehigh County, Pennsylvania, Hydrologic Unit 02040106
Drainage area: 75.8 square miles
Datum of gage: 259.82 feet above   NGVD29.
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    2007-10-01  2014-12-19  
 Daily Data
    Discharge, cubic feet per second  1944-10-01  2014-12-18  25646 
 Daily Statistics 
    Discharge, cubic feet per second  1944-10-01  2014-05-18 25432 
 Monthly Statistics 
    Discharge, cubic feet per second  1944-10  2014-05  
 Annual Statistics 
    Discharge, cubic feet per second  1945  2014  
 Peak streamflow 1945-09-19  2013-01-31  69 
 Field measurements 1934-09-04  2014-12-08  735 
 Field/Lab water-quality samples 1959-10-22  1976-08-19  91 
 Water-Year Summary 2006  2013  8 

Additional Data Sources

Begin Date

End Date

 Instantaneous-Data Archive  **offsite** 1990-10-01  2007-09-30  441191 
Record for this site is maintained by the USGS Pennsylvania Water Science Center
Email questions about this site to Pennsylvania Water Science Center Water-Data Inquiries

LOCATION.--Lat 40`37'23", long 75`28'58", Lehigh County, Hydrologic Unit 02040106, on right bank 200 ft upstream from bridge on State Highway 145, 0.5 mi northwest of city limits of Allentown, and 2.5 mi upstream from mouth.
DRAINAGE AREA.--75.8 mi2.
PERIOD OF RECORD.--October 1944 to current year.
GAGE.--Water-stage recorder and rubble masonry control. Crest raised 1 ft in August 1958 and further modified filling in square notches on sides and notching center of dam at 17:1 slope in August 1974. Datum of gage is 259.82 ft above sea level (Pennsylvania Department of Transportation datum).
EXTREMES OUTSIDE PERIOD OF RECORD.--Flood of May 23, 1942, reached a stage of approximately 7.1 ft, from floodmarks 650 ft downstream.
FLOOD STAGE.--NOAA, National Weather Service river forecast station flood stage provided to USGS April 1999 is 8 feet.
COOPERATION.--Funding for the operation of this station is provided by the City of Allentown, the Pennsylvania Department of Environmental Protection, and the U.S. Geological Survey.