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Streamflow Statistics - Potomac at Point of Rocks, MD (01638500)

Five Year Hydrographs

Potomac River at Point of Rocks

This is a real-time site. Click to view real-time data.

Site Characteristics

LOCATION
Latitude 39°16'24.9", Longitude 77°32'35.2" NAD83,
Frederick County, Maryland , Hydrologic Unit 02070008
DRAINAGE AREA 9651.00 square miles
GAGE Datum of gage is 200.54 feet above sea level NGVD29.
STATION TYPE Surface Water
STATION DATA
Data Type Begin Date End Date Count
Real-time This is a real-time site
Peak streamflow 1928-07-11 2001-03-30 74
Daily streamflow 1897-07-01 2001-09-30 29078
Water Quality Samples 1950-09-12 1994-06-07 339
SITE OPERATION Site is located in Maryland; record is maintained by the USGS Maryland Water Science Center
COOPERATORS Funding for the operation of this station is provided by the Interstate Commission on the Potomac River Basin, and the U.S. Geological Survey.
CONTACT INFORMATION Email questions about this station to:
gs-w md_NWISWeb_Data_Inquiries@usgs.gov

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Page Last Modified: Monday, June 22, 2009