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[!] Over the next year, the USGS Pennsylvania Water Science Center will be updating the geodetic vertical elevation (gage datum) for many locations. Click HERE for additional information including a current list of streamgages with upcoming datum changes. This update in gage datum does not affect the location of the streamgage, nor the observed local gage height or discharge recorded at the streamgage.




USGS 01451650 Little Lehigh Creek at Tenth St. Br. at Allentown

  Stream Site

DESCRIPTION:
Latitude 40°35'47",   Longitude 75°28'28"   NAD27
Lehigh County, Pennsylvania, Hydrologic Unit 02040106
Drainage area: 98.2 square miles
Datum of gage: 244.93 feet above   NAVD88.
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    2007-10-01  2024-07-15  
 Daily Data
    Temperature, water, degrees Celsius  2019-10-12  2024-07-14  5208 
    Discharge, cubic feet per second  1986-10-01  2024-07-14  13802 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2019-12-18  2024-07-14  4953 
    Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)  2020-12-15  2023-10-09  2970 
 Daily Statistics 
    Temperature, water, degrees Celsius  2019-10-12  2024-02-06 1577 
    Discharge, cubic feet per second  1986-10-01  2024-02-06 13643 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2019-12-18  2024-02-06 1492 
    Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)  2020-12-15  2023-10-09 990 
 Monthly Statistics 
    Temperature, water, degrees Celsius  2019-10  2024-02  
    Discharge, cubic feet per second  1986-10  2024-02  
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2019-12  2024-02  
    Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)  2020-12  2023-10  
 Annual Statistics 
    Temperature, water, degrees Celsius  2020  2024  
    Discharge, cubic feet per second  1987  2024  
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2020  2024  
    Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)  2021  2024  
 Peak streamflow 1987-09-09  2022-04-08  36 
 Field measurements 1986-10-16  2024-06-05  308 
 Field/Lab water-quality samples 2020-09-30  2024-03-08  170 
 Water-Year Summary 2006  2023  18 
 Revisions  Loading...
OPERATION:
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