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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 01407253 Willow Brook near Holmdel NJ
Monmouth County, New Jersey
Hydrologic Unit Code 02030104
Latitude  40°19'47", Longitude  74°10'25" NAD83
Drainage area 7.56  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 		 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)
141988-10-06 14:37EDTYesRGRUSGS2.463.700.000.50GoodDebrisLightNONE1Imported Channel 1WADEunspeunkno2.4614.24.080.60UNSPUNSPUNSPunknUNSPUNSPUNSP
131983-04-16 -- ----YesBP /BGDUSGS86.94.16 GoodClearNONE1Imported Channel 1WADEunspeunkno86.933.059.51.46UNSPUNSPUNSPunknUNSPUNSPUNSP
121982-06-14 -- ----YesJFDUSGS16.13.02 GoodDebrisLightNONE1Imported Channel 1WADEunspeunkno16.115.014.51.11UNSPUNSPUNSPunknUNSPUNSPUNSP
111981-12-02 -- ----YesTACUSGS18.03.00 Good NONE1Imported Channel 1WADEunspeunkno18.023.015.21.18UNSPUNSPUNSPunknUNSPUNSPUNSP
101981-05-18 -- ----YesMJDUSGS6.972.57 GoodClearNONE1Imported Channel 1WADEunspeunkno6.9721.57.640.91UNSPUNSPUNSPunknUNSPUNSPUNSP
91980-11-14 -- ----YesMJDUSGS3.842.38 GoodClearNONE1Imported Channel 1WADEunspeunkno3.8416.55.390.71UNSPUNSPUNSPunknUNSPUNSPUNSP
81980-05-02 -- ----YesTACUSGS21.32.78 GoodClearNONE1Imported Channel 1WADEunspeunkno21.328.517.91.19UNSPUNSPUNSPunknUNSPUNSPUNSP
71980-03-31 -- ----YesWDJUSGS64.03.83 FairDebrisLightNONE1Imported Channel 1WADEunspeunkno64.029.042.61.50UNSPUNSPUNSPunknUNSPUNSPUNSP
61980-03-22 -- ----YesGLCUSGS59.23.59 GoodClearNONE1Imported Channel 1WADEunspeunkno59.229.038.91.52UNSPUNSPUNSPunknUNSPUNSPUNSP
51980-03-21 -- ----YesGLCUSGS34.53.04 GoodClearNONE1Imported Channel 1WADEunspeunkno34.527.025.91.33UNSPUNSPUNSPunknUNSPUNSPUNSP
41980-01-29 -- ----YesWDJUSGS10.72.57 GoodClearNONE1Imported Channel 1WADEunspeunkno10.723.512.20.88UNSPUNSPUNSPunknUNSPUNSPUNSP
31979-07-12 -- ----YesGLCUSGS7.512.30 GoodClearNONE1Imported Channel 1WADEunspeunkno7.5117.07.171.05UNSPUNSPUNSPunknUNSPUNSPUNSP
21979-05-24 -- ----YesGLCUSGS26.22.80 FairClearNONE1Imported Channel 1WADEunspeunkno26.229.017.51.50UNSPUNSPUNSPunknUNSPUNSPUNSP
11979-05-09 -- ----YesGLC/RLUUSGS9.412.30 GoodClearNONE1Imported Channel 1WADEunspeunkno9.4120.78.641.12UNSPUNSPUNSPunknUNSPUNSPUNSP