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During cold weather, ice effects on stage, groundwater levels, precipitation and water quality parameters at some stream-gaging stations and wells are likely. Data values reported on these pages may be significantly higher or lower than actual values. Adjustment of data for ice effects can only be done after detailed analysis. Users are encouraged to contact this office for more information on specific stream-gaging stations or wells.
LOCATION.--Lat 39°24'10.2", long 77°21'57.9", Frederick County, Hydrologic Unit 02070009, on right bank 500 ft downstream from Interstate 70 highway bridge, 0.4 mi downstream from Linganore Creek, 2.0 mi east of Frederick, and 16.9 mi upstream from mouth. DRAINAGE AREA.--817 mi2. PERIOD OF RECORD.--October 1929 to current year. Monthly discharge only for October, November 1929, published in WSP 1302. REVISED RECORDS.--WSP 711: 1930. GAGE.--Water-stage recorder and crest-stage gage. Nonrecording gage at site 0.2 mile downstream. Datum of gage is 231.21 ft above North American Vertical Datum of 1988. REMARKS.--Occasional regulation at low and medium flows since September 1972 by Linganore Reservoir, total capacity, 883,200,000 gal, 2.8 mi upstream from station. U.S. Geological Survey satellite data-collection platform at station. Water-quality records for some prior periods have been collected at this location. EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 81,600 ft3/s, June 23, 1972, gage height, 35.90 ft; minimum discharge, 17 ft3/s, Sept. 11, 13, 1966. EXTREMES OUTSIDE PERIOD OF RECORD.--Flood in June 1889 reached a stage of 30 ft, from floodmarks, discharge, 56,000 ft3/s. COOPERATION.--Funding for the operation of this station is provided by the Maryland State Highway Administration, and the U.S. Geological Survey.
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Value Dec 22