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USGS 01478120 East Branch White Clay Creek at Avondale, PA

PROVISIONAL DATA SUBJECT TO REVISION

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Station gage imageSTATION.--01478120 EAST BRANCH WHITE CLAY CREEK AT AVONDALE, PA
LOCATION.--Lat 39`49'42", long 75`46'52", Chester County, Hydrologic Unit 02040205, at Third Street bridge in Avondale Borough, 2,000 ft upstream from State Route 41.
DRAINAGE AREA.--11.3 square miles.
PERIOD OF RECORD.--October 2007 to current year. Ungaged Chester County Biological Monitoring site since 1969.
GAGE.--Water-stage recorder, crest-stage gage, and water-quality monitor. Datum of gage is 264.65 ft above North American Vertical Datum of 1988, from single-base GNSS static survey. Prior to March 10, 2022, the datum of gage was erroneously reported as 270 ft above National Geodetic Vertical Datum of 1929.
COOPERATION.--Funding for this station is provided by the Chester County Water Resources Authority, the Chester County Emergency Management Services, the U.S. Geological Survey.
This station managed by the PAWSC Downingtown Field Office.

Available Parameters Available Period
  
2019-11-14  2024-11-24
2007-10-06  2024-11-24
2007-10-05  2024-11-24
2019-11-14  2024-11-24
2022-01-01  2024-11-24
2020-07-22  2022-10-03







 (7)
 
  -- or --

 

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

Temperature, water, degrees Celsius
 
-- Data temporarily unavailable for the time period specified --

Discharge, cubic feet per second
Most recent instantaneous value: 6.32 11-24-2024   18:15 EST
Graph of Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Nov 24 based on 16 water years of record more
Min
(2017)		 Most Recent
Instantaneous
Value Nov 24		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(2019)
5.87 6.32 7.5 9.3 20 24 125

Gage height, feet
Most recent instantaneous value: 1.97 11-24-2024   18:15 EST
Graph of Gage height, feet

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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius
 
-- Data temporarily unavailable for the time period specified --

Stream water level elevation above NAVD 1988, in feet, [Gage Height - NAVD88]
Most recent instantaneous value: 266.62 11-24-2024   18:15 EST
Graph of Stream water level elevation above NAVD 1988, in feet, [Gage Height - NAVD88]

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