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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
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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 		 Channel
Number		 Channel
Name		 Meas.
type 		 Stream
flow
method 		 Velocity
method 		 Channel
flow
(ft3/s)		 Channel
width
(ft)		 Channel
area
(ft2)		 Channel
vel.
(ft/s)		 Channel
stability 		 Channel
material 		 Channel
evenness 		 Long.
vel.
desc. 		 Horz.
vel.
desc. 		 Vert.
vel.
desc. 		 Channel
loc.
code 		 Channel
loc.
dist.(ft)
121991-07-11 11:20EDTYesagr/lasUSGS1.19 FairDebrisLightNONE1Imported Channel 1WADEunspeunkno1.1914.07.100.17UNSPUNSPUNSPunknUNSPUNSPUNSP
111991-06-05 11:45EDTYesagr/cjrUSGS1.94 FairDebrisLightNONE1Imported Channel 1WADEunspeunkno1.9415.17.460.26UNSPUNSPUNSPunknUNSPUNSPUNSP
101991-05-08 12:15EDTYesagr/cjrUSGS4.45 GoodDebrisLightNONE1Imported Channel 1WADEunspeunkno4.4515.011.40.39UNSPUNSPUNSPunknUNSPUNSPUNSP
91991-04-02 09:40ESTYesagr/cjrUSGS4.90 GoodDebrisLightNONE1Imported Channel 1WADEunspeunkno4.9014.511.80.41UNSPUNSPUNSPunknUNSPUNSPUNSP
81991-03-20 09:45ESTYesagr/cjrUSGS4.40 GoodDebrisLightNONE1Imported Channel 1WADEunspeunkno4.4014.012.10.36UNSPUNSPUNSPunknUNSPUNSPUNSP
71991-02-05 11:15ESTYesagrUSGS3.60 GoodDebrisLightNONE1Imported Channel 1WADEunspeunkno3.6014.811.40.31UNSPUNSPUNSPunknUNSPUNSPUNSP
61991-01-23 13:45ESTYesagr/cjrUSGS4.60 FairDebrisLightNONE1Imported Channel 1WADEunspeunkno4.6014.511.90.39UNSPUNSPUNSPunknUNSPUNSPUNSP
51990-12-11 13:00ESTYesagrUSGS1.21 FairDebrisLightNONE1Imported Channel 1WADEunspeunkno1.2113.08.200.15UNSPUNSPUNSPunknUNSPUNSPUNSP
41990-11-06 13:25ESTYesagr/cjrUSGS0.94 FairDebrisLightNONE1Imported Channel 1WADEunspeunkno0.9414.09.500.10UNSPUNSPUNSPunknUNSPUNSPUNSP
31990-10-10 14:10EDTYesagr/cjrUSGS0.85 FairDebrisLightNONE1Imported Channel 1WADEunspeunkno0.8514.08.990.09UNSPUNSPUNSPunknUNSPUNSPUNSP
21990-09-05 10:35EDTYeskewUSGS1.57 FairClearNONE1Imported Channel 1WADEunspeunkno1.5714.18.200.19UNSPUNSPUNSPunknUNSPUNSPUNSP
11990-08-16 -- ----Yesagr/cjrUSGS2.29 FairDebrisLightNONE1Imported Channel 1WADEunspeunkno2.296.702.540.90UNSPUNSPUNSPunknUNSPUNSPUNSP