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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 Exelon Energy (http://www.exeloncorp.com/)

LOCATION.-- Lat 39°39'28.1", long 76°10'28.2", Harford County, 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 the Exelon Energy Corporation,
   and the U.S Geological Survey. Access to gage site provided by Exelon Energy Corporation.
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This station managed by the MD-DE-DC Water Science Center, Baltimore office.

Available Parameters Available Period
All 2 Available Parameters for this site
  
00060 Discharge 2007-10-01  2014-07-12
00065 Gage height 2014-03-14  2014-07-12

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Discharge, cubic feet per second

Most recent instantaneous value: 5,970   07-12-2014  06:30 EST
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Daily discharge, cubic feet per second -- statistics for Jul 12 based on 46 years of record more
Min
(1980)
Most Recent
Instantaneous
Value Jul 12
25th
percen-
tile
Median Mean 75th
percen-
tile
Max
(1972)
2640 5970 7100 16000 17800 23900 64100


Gage height, feet

Most recent instantaneous value: 9.48   07-12-2014  06:30 EST
Graph of  Gage height, feet

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Title: USGS Current Conditions for Maryland
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Page Contact Information: Maryland Water Data Support Team
Page Last Modified: 2014-07-12 07:45:23 EDT
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