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Streamflow Measurements for the Nation

! Streamflow measurement pages will be decommissioned in early 2026. Please find the modernized pages in WDFN that suit you best. Learn more about our modernization plans and timeline and new pages.

USGS 01480883 Valley Creek at Clover Mill Road near Exton, PA
Chester County, Pennsylvania
Hydrologic Unit Code 02040205
Latitude  40°00'43", Longitude  75°39'20" NAD27
Drainage area 11.6  square miles
Output formats
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Meas.
Number		   Date       Time Time
Datum		 Measurement
Used?		   Who Measuring
Agency		 Stream
flow
(ft3/s)		 Gage
Height
(ft)		 GH
Change
(ft)		 Meas.
Duration
(hr)		 Meas.
Rated		   Control Flow
Adjust.
Code 
142018-12-06 12:56:30ESTYesagrUSGS25.0 Fair NONE
131998-10-14 12:25EDTYesadm/agrUSGS3.18 GoodClearNONE
121991-07-08 11:30EDTYesagrUSGS3.55 GoodDebrisLightNONE
111991-06-06 08:40EDTYesagrUSGS4.67 GoodDebrisLightNONE
101991-05-08 10:40EDTYesagr/cjrUSGS12.3 GoodDebrisLightNONE
91991-04-03 13:55ESTYesagr/cjrUSGS12.2 GoodDebrisLightNONE
81991-03-21 14:05ESTYesagr/cjrUSGS11.3 GoodDebrisLightNONE
71991-02-04 10:10ESTYesagr/cjrUSGS10.2 GoodDebrisLightNONE
61991-01-24 12:20ESTYesagr/cjrUSGS12.1 UnspecifiedDebrisLightNONE
51990-12-07 10:45ESTYesagr/cjrUSGS6.18 GoodDebrisLightNONE
41990-11-02 12:45ESTYesagr/cjrUSGS3.06 FairDebrisLightNONE
31990-10-11 16:00EDTYesagr/cjrUSGS2.93 FairDebrisLightNONE
21990-08-16 12:10EDTYesagr/cjrUSGS6.36 FairDebrisLightNONE
11990-06-06 09:35EDTYeskewUSGS5.09 GoodClearNONE