Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

Click to hideNews Bulletins
  • Scheduled Maintenance Notice
    USGS will be performing maintenance on WDFN webpages beginning Tuesday, May 12.
    If you cannot access the page you are intending or are unexpectedly redirected to a different page, please reach out to wdfn@usgs.gov for assistance.

  • Explore the USGS National Water Dashboard interactive map to access real-time water data from over 13,500 stations nationwide.
! This page is undergoing modernization with expected decommissioning as key features are added to the modernized pages.
Learn more about our modernization plans to find out which options will suit you best. Next Generation Monitoring Location Page is available now.
A beta version of the My Favorites page is available in WDFN. Try it out and tell us what you think at wdfn@usgs.gov

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

PROVISIONAL DATA SUBJECT TO REVISION

Click to hidestation-specific text
Funding for this site is provided by:

 


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  2026-05-27
2020-01-15  2026-05-27
2020-01-15  2026-05-27
2020-01-15  2026-05-27
2023-05-27  2026-05-27
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: 17.2 05-27-2026   17:30 EDT
Graph of Temperature, water, degrees Celsius

Add up to 2 more sites and replot for "Temperature, water, degrees Celsius"

?
 
Note



Create presentation-quality / stand-alone graph.   Subscribe to
?
WaterAlert      

See this graph on the Monitoring Location Pages

Share this graph |


Discharge, cubic feet per second
Most recent instantaneous value: 3.60 05-27-2026   17:30 EDT
Graph of Discharge, cubic feet per second

Add up to 2 more sites and replot for "Discharge, cubic feet per second"

?
 
Note



Create presentation-quality / stand-alone graph.   Subscribe to
?
WaterAlert      

See this graph on the Monitoring Location Pages

Share this graph |

Daily discharge, cubic feet per second -- statistics for May 27 based on 5 water years of record more
Min
(2025)		 25th
percen-
tile		 Mean Median Most Recent
Instantaneous
Value May 27		 75th
percen-
tile		 Max
(2024)
2.17 2.2 3.1 3.4 3.60 3.7 3.99

Gage height, feet
Most recent instantaneous value: 4.01 05-27-2026   17:30 EDT
Graph of Gage height, feet

Add up to 2 more sites and replot for "Gage height, feet"

?
 
Note



Create presentation-quality / stand-alone graph.   Subscribe to
?
WaterAlert      

See this graph on the Monitoring Location Pages

Share this graph |


Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius
Most recent instantaneous value: 227 05-27-2026   17:30 EDT
Graph of Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius

Add up to 2 more sites and replot for "Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius"

?
 
Note



Create presentation-quality / stand-alone graph.   Subscribe to
?
WaterAlert      

See this graph on the Monitoring Location Pages

Share this graph |


Stream water level elevation above NAVD 1988, in feet
Most recent instantaneous value: 321.61 05-27-2026   17:30 EDT
Graph of Stream water level elevation above NAVD 1988, in feet

Add up to 2 more sites and replot for "Stream water level elevation above NAVD 1988, in feet"

?
 
Note



Create presentation-quality / stand-alone graph.   Subscribe to
?
WaterAlert      

See this graph on the Monitoring Location Pages

Share this graph |


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 --