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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.



[!] ICE EFFECTS ON STREAMFLOW -- During cold weather, stage and discharge values may be affected by ice at some streamgages. Streamgages experiencing ice conditions will have the discharge record temporarily disabled to prevent the display of erroneous discharge values. Display of discharge record will resume when it is determined that ice conditions are no longer present. Adjustment of data affected by ice can only be done after detailed analysis.




USGS 01480685 Marsh Creek near Downingtown, PA

  Stream Site

DESCRIPTION:
Latitude 40°03'19",   Longitude 75°43'00"   NAD27
Chester County, Pennsylvania, Hydrologic Unit 02040205
Drainage area: 20.3 square miles
Datum of gage: 280 feet above   NGVD29.
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    1990-10-01  2024-03-28  
 Daily Data
    Temperature, water, degrees Celsius  1973-10-01  1987-05-12  12717 
    Discharge, cubic feet per second  1973-06-01  2024-03-27  18563 
 Daily Statistics 
    Temperature, water, degrees Celsius  1973-10-01  1987-05-12 4213 
    Discharge, cubic feet per second  1973-06-01  2023-01-03 18114 
 Monthly Statistics 
    Temperature, water, degrees Celsius  1973-10  1987-05  
    Discharge, cubic feet per second  1973-06  2023-01  
 Annual Statistics 
    Temperature, water, degrees Celsius  1974  1987  
    Discharge, cubic feet per second  1973  2023  
 Peak streamflow 1973-06-30  2021-11-04  50 
 Field measurements 1973-06-06  2024-02-15  421 
 Field/Lab water-quality samples 1982-06-13  1999-09-16  31 
 Water-Year Summary 2006  2022  17 
 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