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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 01379550 Passaic R at Lower Chatham Bridge nr Chatham NJ
Morris County, New Jersey
Hydrologic Unit Code 02030103
Latitude  40°45'21", Longitude  74°21'42" NAD83
Drainage area 116  square miles
Gage datum 170 feet above NAVD88
Output formats
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HTML table without channel data
Tab-separated data with channel data
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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)
192025-07-07 10:36:40EDTYesjbe/lmsUSGS72.3 Poor NONE1pfas low flowBRDSQADCPVADCP72.382.73210.22UNSPUNSPUNSPUNSPUNSPUNSPUNSP
182025-03-13 14:49:45EDTYesLMS, ZBUSGS178 Fair NONE1MainBRDSQADCPVADCP17898.45130.35SOFTsiltUNEVPULSUNSPUNFMUNSP
172014-08-27 12:11:04EDTYesPWBUSGS32.314.22 PoorClearNONE1mainBRDSQADCPVADCP32.387.22960.11UNSPUNSPUNEVunknUNEVUNSPATGA
162014-05-28 10:55:30EDTYesCSUSGS11413.000.000.40PoorDebrisLightNONE1PASSAICCWAYQADCPVADCP11478.73210.36FIRMsiltUNEVunknEVENUNSPATGA
152014-02-25 12:31:51ESTYesrwaUSGS4659.560.000.50GoodIceShoreNONE11BRDSQADCPVADCP4651006430.72UNSPsiltUNEVunknUNEVUNSPATGA
142013-11-26 11:03ESTYesCSUSGS28.214.40-0.051.00PoorIceShoreNONE1PASSAICCWAYQADCPVADCP28.266.72000.14FIRMsiltUNEVunknEVENUNSPDNST0.00
132013-08-27 10:41:30EDTYesCSUSGS12312.84-0.181.00GoodDebrisHeavyNONE1PassaicCWAYQADCPVADCP12383.23530.36FIRMsiltUNEVunknEVENUNSPATGA
122013-06-05 11:05:30EDTYesCSUSGS83.613.440.000.20FairClearNONE1PassaicCWAYQADCPVADCP83.691.03280.26FIRMSANDUNEVunknEVENUNSPATGA
112013-03-11 11:19EDTYesCSUSGS20811.980.000.20FairClearNONE1PassaicCWAYQADCPVADCP2081145560.37FIRMsiltUNEVunknEVENUNSPATGA
102012-12-10 12:45:30ESTYesCSUSGS10212.69-0.060.10GoodClearNONE1PASSAICCWAYQADCPVADCP10267.63330.31FIRMsiltUNEVunknEVENUNSPATGA
92009-09-03 16:52:30EDTYesrwaUSGS85.518.56-0.011.20PoorDebrisLightNONE1Imported Channel 1BRDSQSCMMVPAA85.588.02640.32SOFTsiltUNEVunknUNEVUNSPUNSP
82009-08-18 13:43EDTYesrwaUSGS54.519.280.001.00PoorClearNONE1Imported Channel 1BRDSQSCMMVPAA54.578.02130.26SOFTsiltUNEVunknUNEVUNSPUNSP
72009-06-05 11:08EDTYesARV/BSPUSGS22611.250.030.20FairClearNONE1Imported Channel 1MBOTQADCPVADCP2261024730.56FIRMGRVLEVENunknUNEVUNSPATGA
62008-09-22 14:42EDTYesBSPUSGS32.914.340.000.80FairClearNONE1Imported Channel 1UNSPQADCPVADCP32.980.92040.16UNSPUNSPUNSPunknUNSPUNSPUNSP
52008-08-19 13:24EDTYesrwaUSGS19.920.050.000.90PoorDebrisLightNONE1Imported Channel 1BRDSQSCMMVPAA19.975.01650.12SOFTsiltUNEVunknUNEVUNSPUNSP
42008-07-22 13:32EDTYesRWAUSGS20.219.850.000.90PoorClearNONE1Imported Channel 1BRDSQSCMMVPAA20.277.01810.11SOFTsiltUNEVunknUNEVUNSPUNSP
31984-09-19 -- ----YesRLUUSGS30.214.35 FairClearNONE1Imported Channel 1WADEunspeunkno30.228.531.80.95UNSPUNSPUNSPunknUNSPUNSPUNSP
11964-06-17 13:20ESTYesTGRUSGS59.5 GoodClearNONE1Imported Channel 1WADEunspeunkno59.544.057.71.03UNSPUNSPUNSPunknUNSPUNSPUNSP