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USGS 01476450 Ridley Creek at Rt 3 near Willistown, PA

  Stream Site

Latitude 39°58'01",   Longitude 75°28'58"   NAD83
Chester County, Pennsylvania, Hydrologic Unit 02040202
Drainage area: 13.9 square miles
Datum of gage: 225 feet above   NGVD29.
Data Type Begin Date End Date Count
 Field measurements 2001-10-11  2015-10-20  16 
 Field/Lab water-quality samples 2001-10-11  2015-10-20  15 

Additional Data Sources

Begin Date

End Date

 Annual Water-Data Report (pdf)  **offsite** 2006  2013  8 
Record for this site is maintained by the USGS Pennsylvania Water Science Center
Email questions about this site to Pennsylvania Water Science Center Water-Data Inquiries