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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 01398100 SB Raritan R near South Branch NJ


Somerset County, New Jersey
Hydrologic Unit Code 02030105
Latitude  40°31'32", Longitude  74°42'21" NAD83
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)
92022-09-01 12:01:48EDTYesLMS, AD (DEPUSGS274 Good NONE1MainWADEQSCMMVADV2741413210.86FIRMSANDUNEVPULSUNSPSTNDUNSP
82022-02-28 11:23:25ESTYesLMSUSGS496 Fair NONE1MainBRDSQADCPVADCP4961545010.99FIRMBLDRUNEVPULSUNSPSTNDUNSP
72021-12-20 07:30:53ESTYesPwbUSGS183 FairClearNONE1mainBRDSQADCPVADCP1831463970.46FIRMCBLSUNEVPULSUNEVSTNDATGA0.00
62021-09-28 09:09:23EDTYespwbUSGS258 GoodClearNONE1mainBRDSQADCPVADCP2581564680.55FIRMBLDRUNEVPULSUNEVSTNDATGA0.00
52021-05-13 07:30:56EDTYespwbUSGS193 GoodClearNONE1mainBRDSQADCPVADCP1931423370.57FIRMBLDRUNEVPULSUNEVSTNDATGA0.00
42021-03-29 09:58:08EDTYesjtmUSGS129017.820.001.00FairClearNONE1mainBRDSQADCPVADCP12901584962.61UNSPUNSPUNSPUNSPUNEVUNSPDNST5280.00
32020-11-12 08:23:53ESTYespwbUSGS841 GoodClearNONE1mainBRDSQADCPVADCP8411515221.61FIRMsiltUNEVPULSUNEVSTNDATGA0.00
22020-08-10 08:12:36EDTYespwbUSGS236 FairClearNONE1mainBRDSQADCPVADCP2361594630.51FIRMCBLSUNEVPULSUNEVSTNDATGA0.00
12019-12-03 08:36:29ESTYesPWBUSGS703 FairClearNONE1mainBRDSQADCPVADCP7031744861.44UNSPGRVLUNSPPULSUNEVSTNDATGA0.00