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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°38'14.6", long 75°43'40.4", New Castle County, Hydrologic Unit 02040205, on right bank 60 ft downstream from highway bridge, 0.5 mi southeast of Coochs Bridge, 3.3 mi south of Newark, 3.6 mi upstream from Belltown Run, and 22.6 mi upstream from mouth. DRAINAGE AREA.--20.5 mi2. PERIOD OF RECORD.--April 1943 to current year. REVISED RECORDS.--WDR MD-DE-79-1: 1943-70(P). WDR MD-DE-87-1: 1980-82(P). GAGE.--Water-stage recorder. Datum of gage is 24.52 ft above North American Vertical Datum of 1988. Prior to Sept. 14, 1944, nonrecording gage on upstream side of bridge at same gage datum. Sept. 14, 1944, to May 13, 1969, recording gage at site on left bank at downstream side of highway bridge at same gage datum. May 26, 1969, to Dec. 5, 1973, recording gage on left bank 82 ft downstream from highway bridge at same gage datum. REMARKS.--Low and medium flow regulated by mill 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, 7,780 ft3/s, Aug. 28, 2011, gage height, 13.89 ft; minimum discharge, 0.15 ft3/s, August 20, 1966. COOPERATION.--Funding for the operation of this station is provided by the Delaware Geological Survey and the U.S Geological Survey. CRITICAL LEVELS.--Bankfull stage; 9.0 ft (524 ft3/s), flood stage; 10.5 ft (880 ft3/s), information provided by NWS.
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