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USGS 01481000 Brandywine Creek at Chadds Ford, PA

PROVISIONAL DATA SUBJECT TO REVISION

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Station gage imageSTATION.--01481000 BRANDYWINE CREEK AT CHADDS FORD, PA
LOCATION.--Lat 39`52'11", long 75`35'37", Delaware County, Hydrologic Unit 02040205, on left bank 27 ft upstream from Penn Central Railroad bridge at Chadds Ford, 150 ft upstream from Harvey Run, and 1,200 ft downstream from highway bridge on U.S. Highway 1.
DRAINAGE AREA.--287 mi2.
PERIOD OF RECORD.--August 1911 to September 1953, October 1962 to current year. Prior to October 1911, monthly discharge only, published in WSP 1302.
GAGE.--Water-stage recorder, crest-stage gage, water-quality monitor, and climatological sensor. Datum of gage is 150.45 ft above National Geodetic Vertical Datum of 1929. Prior to May 21, 1927, non-recording gage at same site and datum. Satellite and land-line telemetry at station.
GAGE HEIGHTS OF IMPORTANCE.-
Supplied by USGS: Maximum recordable gage height (stage sensor operational limit) - 21.3 ft; Data transmitter operational limit - 22.0 ft;
Supplied by NWS: Action stage-8 ft; Flood stage-9 ft; Moderate flood stage-11 ft, at 11.8, Brandywine river museum begins to take on water; at 12 ft, businesses upstream of gage begin to flood; Major flood stage-13 ft, residential evacuations begin
COOPERATION.--Station established and maintained by the U.S. Geological Survey. Funding for the operation of this station is provided by the Pennsylvania Department of Environmental Protection, Chester County Water Resources Authority, the City of Wilmington, Delaware, and the U.S. Geological Survey through the Cooperative Water Program.
REMARKS.-- Water-quality data collection discontinued during winter months since the 1981 water year. Other interruptions in the record were due to malfunctions of the equipment.
This station managed by the PAWSC Exton Field Office.

Available Parameters Period of Record
All 9 Available Parameters for this site
  
00060 Discharge(Mean) 1911-10-01  2014-10-24
00095 Specific cond at 25C(Ins.,Max.,Min.,Mean) 1965-10-01  2014-10-24
00400 pH(Ins.,Max.,Min.,Mean,Med.) 1965-10-01  2014-10-24
00010 Temperature, water(Ins.,Max.,Min.,Mean) 1968-10-01  2014-10-24
00300 Dissolved oxygen(Max.,Min.,Mean) 1971-10-05  2014-10-24
80154 Suspnd sedmnt conc(Mean) 1963-10-01  1978-09-30
80155 Suspnd sedmnt disch(Mean) 1963-10-01  1978-09-30
00045 Precipitation(Sum) 2005-10-01  2014-10-24
63680 Turbidity, Form Neph(Max.,Min.,Mean,Med.) 2005-10-13  2014-10-24

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Summary of all available data for this site
Instantaneous-data availability statement


Discharge, cubic feet per second

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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius

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pH, water, unfiltered, field, standard units

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Temperature, water, degrees Celsius

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Dissolved oxygen, water, unfiltered, milligrams per liter

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Precipitation, total, inches

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Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)

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