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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 01480876 Valley Creek at Chester Cnty Library near Exton
Chester County, Pennsylvania
Hydrologic Unit Code 02040205
Latitude  40°01'52", Longitude  75°37'16" NAD27
Drainage area 4.08  square miles
Output formats
HTML table with channel data
HTML table without channel data
Tab-separated data with channel data
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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 
121991-07-11 11:20EDTYesagr/lasUSGS1.19 FairDebrisLightNONE
111991-06-05 11:45EDTYesagr/cjrUSGS1.94 FairDebrisLightNONE
101991-05-08 12:15EDTYesagr/cjrUSGS4.45 GoodDebrisLightNONE
91991-04-02 09:40ESTYesagr/cjrUSGS4.90 GoodDebrisLightNONE
81991-03-20 09:45ESTYesagr/cjrUSGS4.40 GoodDebrisLightNONE
71991-02-05 11:15ESTYesagrUSGS3.60 GoodDebrisLightNONE
61991-01-23 13:45ESTYesagr/cjrUSGS4.60 FairDebrisLightNONE
51990-12-11 13:00ESTYesagrUSGS1.21 FairDebrisLightNONE
41990-11-06 13:25ESTYesagr/cjrUSGS0.94 FairDebrisLightNONE
31990-10-10 14:10EDTYesagr/cjrUSGS0.85 FairDebrisLightNONE
21990-09-05 10:35EDTYeskewUSGS1.57 FairClearNONE
11990-08-16 -- ----Yesagr/cjrUSGS2.29 FairDebrisLightNONE