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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 01477200 Delaware River at Marcus Hook, PA

  Stream Site

DESCRIPTION:
Latitude 39°48'42.5",   Longitude 75°24'34.2"   NAD83
Delaware County, Pennsylvania, Hydrologic Unit 02040202
Drainage area: 10,370.00 square miles
Contributing drainage area: 10,360.00 square miles,
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Field/Lab water-quality samples 1964-10-05  2024-01-31  123 
 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