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USGS 01478100 EB White Clay Creek Trib near London Grove, PA

PROVISIONAL DATA SUBJECT TO REVISION

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Station gage imageSTATION.--01478100 EB WHITE CLAY CREEK TRIB NEAR LONDON GROVE, PA
LOCATION.--Lat 39`51'30", long 75`47'01", Chester County, Hydrologic Unit 02040205, on the left bank, 50 ft upstream from Spencer Road bridge, 2 miles north of Avondale Boro.
DRAINAGE AREA.--2.79 square miles.
PERIOD OF RECORD.--January 2020 to current year.
GAGE.--Water-stage recorder, crest-stage gage, and water-quality monitor. Datum of gage is 317.6 ft. above North American Vertical Datum of 1988 (GNSS survey). Prior to February 19, 2025, the datum of gage was erroneously reported as 330 ft above National Geodetic Vertical Datum of 1929. Satellite telemetry at station.
COOPERATION.--Station established and maintained by the U.S. Geological Survey. Funding for this station is provided by the U.S. Geological Survey.
This station managed by the PAWSC Downingtown Field Office.

Available Parameters Available Period
  
2020-01-15  2026-01-31
2020-01-15  2026-01-31
2020-01-15  2026-01-31
2020-01-15  2026-01-31
2023-01-30  2026-01-31
2020-07-22  2023-10-01







 (7)
 
  -- or --

 

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

Temperature, water, degrees Celsius
Most recent instantaneous value: 0.2 01-31-2026   04:00 EST
Graph of Temperature, water, degrees Celsius

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Discharge, cubic feet per second
Most recent instantaneous value: 1.43 01-31-2026   04:00 EST
Graph of Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Jan 31 based on 5 water years of record more
Most Recent
Instantaneous
Value Jan 31		 Min
(2022)		 25th
percen-
tile		 Mean Median 75th
percen-
tile		 Max
(2024)
1.43 1.52 2.2 3.5 4.2 4.4 4.50

Gage height, feet
Most recent instantaneous value: 3.91 01-31-2026   04:00 EST
Graph of Gage height, feet

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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius
Most recent instantaneous value: 262 01-31-2026   04:00 EST
Graph of Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius

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Stream water level elevation above NAVD 1988, in feet
Most recent instantaneous value: 321.51 01-31-2026   04:00 EST
Graph of Stream water level elevation above NAVD 1988, in feet

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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)
 
-- Data temporarily unavailable for the time period specified --