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USGS 01578310 SUSQUEHANNA RIVER AT CONOWINGO, MD

PROVISIONAL DATA SUBJECT TO REVISION

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For information about dam operations, call 1-888-457-4076 or contact Constellation Energy (http://www.constellationenergy.com/)

LOCATION.-- Lat 39°39'28.4", long 76°10'28.0", Harford County, MD, Hydrologic Unit 02050306, 
   1.0 mi southwest of Conowingo, and 9.9 mi upstream from mouth.
DRAINAGE AREA.--27,100 mi2
PERIOD OF RECORD.--October 1967 to current year.
GAGE.--Water-stage recorder.  Datum of gage is 4.16 ft above North American Vertical Datum of 1988.
REMARKS.--Flow regulated by Conowingo Reservoir beginning October 1928, usable capacity, 55,070,000,000 gal;
   dead storage, 45,290,000,000 gal. Records do not include a small infrequent diversion upstream from station to
   augment municipal supply of city of Baltimore. Records of diversion available from Baltimore City Department
   of Public Works. U.S. Geological Survey satellite data-collection platform at station.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 1,130,000 ft3/s, June 24, 1972,
   gage height, 36.83 ft; minimum discharge, 144 ft3/s, Mar. 2, 1969.
COOPERATION.--Funding for the operation of this station is provided by Constellation Energy Generation.
   Access to gage site provided by Constellation Energy Generation.
Boating safety tips
This station managed by the MD-DE-DC Water Science Center Baltimore office.

Available Parameters Period of Record
  
1967-10-01  2024-11-28
1979-10-01  1992-09-29







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