Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

Click to hideNews Bulletins

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 01400120 Raritan R at Raritan NJ
Somerset County, New Jersey
Hydrologic Unit Code 02030105
Latitude  40°33'52", Longitude  74°38'09" NAD83
Drainage area 474.00  square miles
Output formats
HTML table with channel data
HTML table without channel data
Tab-separated data with channel data
Tab-separated data without channel data
Graph of data
Reselect output format
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)
312022-09-22 10:12:40EDTYesLMS, KB (DEPUSGS224 Good NONE1MainWADEQSCMMVADV2241441801.24FIRMLDGEUNEVPULSUNSPSTNDUNSP
322022-05-03 09:56:56EDTYesLMS, NJDEPUSGS408 Poor NONE1MainBRDSQADCPVADCP4081986100.67FIRMCBLSUNEVPULSUNSPSTNDUNSP
302021-11-22 07:44:42ESTYespwbUSGS368 FairClearNONE1mainBRDSQADCPVADCP3681902391.54UNSPUNSPUNSPUNSPUNSPUNSPUNSP
292021-08-24 07:57:17EDTYespwbUSGS2730 FairClearNONE1mainCWAYQADCPVADCP27302097593.60FIRMCBLSUNEVPULSUNEVSTNDATGA0.00
282021-05-25 09:00EDTYescmwUSGS19828.41 Poor NONE1mainWADEQSCMMVADV1981221251.59FIRMLDGEEVENPULSEVENSTNDDNST50.00
272021-02-23 09:50:14ESTYesjtmUSGS8411.320.001.00FairClearNONE1mainWADEQSCMMVADV8411822922.88UNSPUNSPUNSPUNSPUNEVUNSPUPST30.00
262020-09-17 10:10:52EDTYesjtmUSGS2340.560.001.00FairClearNONE21 channelWADEQSCMMVADV19758.074.22.65UNSPUNSPUNSPUNSPUNEVUNSPDNST200.00
262020-09-17 10:10:52EDTYesjtmUSGS2340.560.001.00FairClearNONE12 channelWADEQSCMMVADV37.470.060.80.61UNSPUNSPUNSPUNSPUNEVUNSPDNST200.00
252019-12-11 10:53:40ESTYespwbUSGS2170 FairClearNONE1mainBRDSQADCPVADCP21702045274.13UNSPGRVLUNSPPULSUNEVSTNDATGA0.00
241991-07-18 13:35EDTYesGLCUSGS2441.000.000.50PoorClearNONE1Imported Channel 1WADEunspeunkno2441801311.86UNSPUNSPUNSPunknUNSPUNSPUNSP
231990-09-24 12:50EDTYesGLCUSGS3951.220.000.70FairClearNONE1Imported Channel 1WADEunspeunkno3951591303.04UNSPUNSPUNSPunknUNSPUNSPUNSP
221989-08-22 10:10EDTYesJFDUSGS39811.240.000.80FairDebrisModerateNONE1Imported Channel 1WADEunspeunkno3981492661.50UNSPUNSPUNSPunknUNSPUNSPUNSP
211988-09-27 10:38EDTYesJFDUSGS22411.040.001.50PoorDebrisHeavyNONE1Imported Channel 1WADEunspeunkno2241791901.18UNSPUNSPUNSPunknUNSPUNSPUNSP
201987-08-19 -- ----YesJFDUSGS23111.030.001.00PoorDebrisHeavyNONE1Imported Channel 1WADEunspeunkno2311611291.79UNSPUNSPUNSPunknUNSPUNSPUNSP
191986-09-17 -- ----YesRSCUSGS3811.450.000.80GoodClearNONE1Imported Channel 1WADEunspeunkno3811532321.64UNSPUNSPUNSPunknUNSPUNSPUNSP
181984-11-13 -- ----YesRSCUSGS2191.260.000.80GoodDebrisHeavyNONE1Imported Channel 1WADEunspeunkno2191381691.30UNSPUNSPUNSPunknUNSPUNSPUNSP
171982-12-21 -- ----YesRSCUSGS3791.50 GoodClearNONE1Imported Channel 1WADEunspeunkno3791572571.47UNSPUNSPUNSPunknUNSPUNSPUNSP
161981-05-12 -- ----YesRSCUSGS85407.53 GoodClearNONE1Imported Channel 1CRANunspeunkno854031024803.44UNSPUNSPUNSPunknUNSPUNSPUNSP
151981-05-05 -- ----YesRSCUSGS2911.34 GoodClearNONE1Imported Channel 1WADEunspeunkno2911502211.32UNSPUNSPUNSPunknUNSPUNSPUNSP
141980-12-18 -- ----YesB P/N RUSGS2981.35 GoodClearNONE1Imported Channel 1WADEunspeunkno2981822401.24UNSPUNSPUNSPunknUNSPUNSPUNSP
131980-05-15 -- ----YesB PUSGS9211.94 Good NONE1Imported Channel 1WADEunspeunkno9212004302.19UNSPUNSPUNSPunknUNSPUNSPUNSP
121980-04-12 -- ----YesRSCUSGS19602.59 GoodClearNONE1Imported Channel 1CRANunspeunkno19602555103.84UNSPUNSPUNSPunknUNSPUNSPUNSP
111980-03-12 -- ----YesRSC/DAHUSGS4651.56 GoodClearNONE1Imported Channel 1WADEunspeunkno4651552791.67UNSPUNSPUNSPunknUNSPUNSPUNSP
101979-11-21 -- ----YesRSCUSGS6121.68 GoodClearNONE1Imported Channel 1WADEunspeunkno6121523062.00UNSPUNSPUNSPunknUNSPUNSPUNSP
91979-08-10 -- ----YesDAHUSGS243 GoodDebrisLightNONE1Imported Channel 1WADEunspeunkno2432134650.52UNSPUNSPUNSPunknUNSPUNSPUNSP
81979-01-26 -- ----YesJBC/FJCUSGS4830 GoodUnspecifedNONE1Imported Channel 1CRANunspeunkno483026811004.38UNSPUNSPUNSPunknUNSPUNSPUNSP
71978-08-31 -- ----YesB P/JBCUSGS2021.27 GoodClearNONE1Imported Channel 1WADEunspeunkno2022114690.43UNSPUNSPUNSPunknUNSPUNSPUNSP
61978-05-02 -- ----YesB P/P SUSGS4101.50 GoodClearNONE1Imported Channel 1WADEunspeunkno4102095130.80UNSPUNSPUNSPunknUNSPUNSPUNSP
51977-07-11 -- ----YesRSCUSGS230 GoodClearNONE1Imported Channel 1WADEunspeunkno2301382430.95UNSPUNSPUNSPunknUNSPUNSPUNSP
41975-12-04 -- ----YesGD/FLSUSGS621 Good NONE1Imported Channel 1WADEunspeunkno6212012332.66UNSPUNSPUNSPunknUNSPUNSPUNSP
31975-09-04 -- ----YesGDUSGS330 Unspecified NONE1Imported Channel 1WADEunspeunkno3301651552.12UNSPUNSPUNSPunknUNSPUNSPUNSP
21975-08-05 -- ----YesGD/FLSUSGS461 Fair NONE1Imported Channel 1BRUSunspeunkno461243 0.00UNSPUNSPUNSPunknUNSPUNSPUNSP
11975-08-05 -- ----YesGD/FLSUSGS1130 Fair NONE1Imported Channel 1BRUSunspeunkno1130247 0.00UNSPUNSPUNSPunknUNSPUNSPUNSP