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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 01381505 Whippany R tr4 at Horse Hill Rd at Cedar Knolls NJ


Morris County, New Jersey
Hydrologic Unit Code 02030103
Latitude  40°48'50", Longitude  74°27'51" NAD83
Drainage area 0.47  square miles
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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
 
101998-06-12 10:52EDTYesvcUSGS0.880.38-0.010.30FairClearNONE
91998-05-09 10:34EDTYesvcUSGS6.060.680.000.30FairClearNONE
81996-12-14 10:03ESTYesV C/JTHUSGS15.81.03-0.050.30GoodClearNONE
71996-11-26 12:43ESTYesV CUSGS4.160.540.000.40FairClearNONE
61996-11-09 10:30ESTYesV CUSGS1.090.390.000.30UnspecifiedDebrisLightNONE
51996-10-19 09:36EDTYesV C/JMUSGS16.41.08-0.050.10FairUnspecifedNONE
41996-10-19 09:20EDTYesV C/JMUSGS18.01.120.010.20FairUnspecifedNONE
31996-07-13 08:40EDTYesV C/JEMUSGS11.10.84-0.010.20FairClearNONE
21996-07-13 08:29EDTYesv c/jemUSGS11.70.87-0.040.20FairClearNONE
11996-05-22 13:05EDTYesVCUSGS0.240.320.000.30FairVegetationLightNONE