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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°45'46.1", long 75°38'11.4", New Castle County, Hydrologic Unit 02040205, on right bank 12 ft upstream from bridge on State Highway 48, 0.3 mi south of Wooddale, 2.3 mi north of Marshallton, and 4.9 mi upstream from mouth. DRAINAGE AREA.--47.0 mi2. PERIOD OF RECORD.--April 1943 to current year. GAGE.--Water-stage recorder, concrete control and crest-stage gage. Datum of gage is 80.34 ft above North American Vertical Datum of 1988. Prior to Sept. 21, 1950, nonrecording gage at site 10 ft downstream at same gage datum. REMARKS.-- Low flows augmented at times by inflow from Hoopes Reservoir located 1.7 miles upstream from gage on unnamed tributary to Red Clay Creek, capacity 2,000,000,000 gal. Water from Brandywine Creek is pumped into Hoopes Reservoir and is released into Red Clay Creek during periods of low flow. Water from Red Clay Creek is used for municipal supply. 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, 15,600 ft3/s, Sep. 15, 2003, gage height, 17.62 ft; minimum discharge, 2.90 ft3/s, Sept. 4, 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; 5.5 ft (1,220 ft3/s), flood stage; 7.5 ft (2,430 ft3/s), information provided by the National Weather Service.
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