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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
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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
 
92022-09-01 12:01:48EDTYesLMS, AD (DEPUSGS274 Good NONE
82022-02-28 11:23:25ESTYesLMSUSGS496 Fair NONE
72021-12-20 07:30:53ESTYesPwbUSGS183 FairClearNONE
62021-09-28 09:09:23EDTYespwbUSGS258 GoodClearNONE
52021-05-13 07:30:56EDTYespwbUSGS193 GoodClearNONE
42021-03-29 09:58:08EDTYesjtmUSGS129017.820.001.00FairClearNONE
32020-11-12 08:23:53ESTYespwbUSGS841 GoodClearNONE
22020-08-10 08:12:36EDTYespwbUSGS236 FairClearNONE
12019-12-03 08:36:29ESTYesPWBUSGS703 FairClearNONE