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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 01405470 Iresick Brook at East Spotswood NJ
Middlesex County, New Jersey
Hydrologic Unit Code 02030105
Latitude  40°23'36", Longitude  74°21'34" NAD83
Drainage area 2.29  square miles
Gage datum 20 feet above NAVD88
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
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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)
302009-12-03 16:21:30ESTYesvfbUSGS8.237.65-0.020.50FairDebrisModerateNONE1Imported Channel 1WADEQSCMMVADV8.239.2010.20.80FIRMSANDUNEVunknUNEVUNSPUPST20.00
292009-08-24 14:12EDTYesvfbUSGS0.068.520.000.40PoorDebrisHeavyNONE1Imported Channel 1WADEQSCMMVADV0.065.701.490.04FIRMSANDUNEVunknUNEVUNSPUPST20.00
282009-06-25 14:33:30EDTYesvfbUSGS2.818.150.000.40FairDebrisLightNONE1Imported Channel 1WADEQSCMMVADV2.817.704.300.65FIRMSANDUNEVunknUNEVUNSPUPST30.00
272009-03-12 14:39:30EDTYesvfbUSGS1.658.160.000.40FairDebrisLightNONE1Imported Channel 1WADEQSCMMVADV1.657.503.120.53FIRMSANDUNEVunknUNEVUNSPUPST25.00
262008-12-09 14:35:24ESTYesvfbUSGS0.848.110.000.40PoorDebrisModerateNONE1Imported Channel 1WADEQSCMMVADV0.846.501.470.57FIRMSANDUNEVunknUNEVUNSPUPST30.00
252008-09-16 14:07EDTYesvfbUSGS0.038.280.000.60PoorDebrisLightNONE1Imported Channel 1WADEQSCMMVADV0.035.401.520.02UNSPUNSPUNSPunknUNSPUNSPUNSP
242008-06-10 14:09EDTYesvfbUSGS0.498.110.000.50FairDebrisModerateNONE1Imported Channel 1WADEQSCMMVADV0.497.602.490.19UNSPUNSPUNSPunknUNSPUNSPUNSP
232008-03-19 14:38EDTYesvfbUSGS4.197.760.000.50FairDebrisLightNONE1Imported Channel 1WADEQSCMMVADV4.198.304.320.97UNSPUNSPUNSPunknUNSPUNSPUNSP
222007-11-01 09:26EDTYesCSUSGS0.058.180.000.40PoorDebrisModerateNONE1Imported Channel 1WADEunspeunkno0.056.001.370.04UNSPUNSPUNSPunknUNSPUNSPUNSP
212007-08-09 08:26EDTYesCSUSGS0.148.160.000.10PoorDebrisModerateNONE1Imported Channel 1WADEunspeunkno0.145.101.190.12UNSPUNSPUNSPunknUNSPUNSPUNSP
202007-05-08 10:16EDTYesjjtUSGS2.537.950.000.40GoodClearNONE1Imported Channel 1WADEQSCMMVADV2.538.506.680.38UNSPUNSPUNSPunknUNSPUNSPUNSP
192007-02-08 10:25ESTYesCSUSGS1.107.800.000.30PoorIceShoreNONE1Imported Channel 1WADEQSCMMVADV1.106.304.680.24UNSPUNSPUNSPunknUNSPUNSPUNSP
182006-11-13 09:07ESTYesCSUSGS9.007.210.000.40PoorClearNONE1Imported Channel 1WADEunspeunkno9.0010.69.770.92UNSPUNSPUNSPunknUNSPUNSPUNSP
172006-08-15 10:11EDTYesCSUSGS0.078.110.000.10PoorClearNONE1Imported Channel 1WADEunspeunkno0.072.200.220.31UNSPUNSPUNSPunknUNSPUNSPUNSP
162006-05-18 09:10EDTYesarvUSGS3.817.64-0.010.50GoodDebrisLightNONE1Imported Channel 1WADEunspeunkno3.8112.05.230.73UNSPUNSPUNSPunknUNSPUNSPUNSP
152006-02-21 15:26ESTYesarvUSGS3.467.650.000.40GoodClearNONE1Imported Channel 1WADEunspeunkno3.467.004.950.70UNSPUNSPUNSPunknUNSPUNSPUNSP
142005-11-14 08:37ESTYesarvUSGS1.037.820.000.30FairDebrisLightNONE1Imported Channel 1WADEunspeunkno1.036.803.280.31UNSPUNSPUNSPunknUNSPUNSPUNSP
132005-08-18 10:26EDTYesarvUSGS0.167.010.000.20PoorClearNONE1Imported Channel 1WADEunspeunkno0.162.500.390.41UNSPUNSPUNSPunknUNSPUNSPUNSP
122005-06-02 10:17EDTYesarvUSGS0.947.360.000.50FairClearNONE1Imported Channel 1WADEunspeunkno0.949.808.590.11UNSPUNSPUNSPunknUNSPUNSPUNSP
111980-07-11 -- ----YesDAHUSGS0.13 GoodClearNONE1Imported Channel 1OTHRQFLUM 0.13 UNSPUNSPUNSPunknUNSPUNSPUNSP
101977-08-29 -- ----YesRSCUSGS0.32 GoodClearNONE1Imported Channel 1OTHRQFLUM 0.32 UNSPUNSPUNSPunknUNSPUNSPUNSP
91977-04-21 -- ----YesJBCUSGS1.34 GoodClearNONE1Imported Channel 1WADEunspeunkno1.348.705.560.22UNSPUNSPUNSPunknUNSPUNSPUNSP
81976-09-21 -- ----YesB PUSGS0.03 Fair NONE1Imported Channel 1OTHRQFLUM 0.03 UNSPUNSPUNSPunknUNSPUNSPUNSP
71976-05-11 -- ----YesJTFUSGS1.61 GoodClearNONE1Imported Channel 1WADEunspeunkno1.618.003.020.53UNSPUNSPUNSPunknUNSPUNSPUNSP
61975-09-09 -- ----YesGLCUSGS0.45 Good NONE1Imported Channel 1WADEunspeunkno0.456.002.151.21UNSPUNSPUNSPunknUNSPUNSPUNSP
51974-09-18 -- ----YesJHNUSGS0.53 GoodClearNONE1Imported Channel 1WADEunspeunkno0.534.501.570.34UNSPUNSPUNSPunknUNSPUNSPUNSP
41974-04-19 -- ----YesGRKUSGS2.98 Good NONE1Imported Channel 1WADEunspeunkno2.9815.04.910.61UNSPUNSPUNSPunknUNSPUNSPUNSP
31973-09-27 -- ----YesAJVUSGS0.10 FairDebrisModerateNONE1Imported Channel 1WADEunspeunkno0.103.200.260.40UNSPUNSPUNSPunknUNSPUNSPUNSP
21973-07-19 -- ----YesSJSUSGS2.20 Good NONE1Imported Channel 1WADEunspeunkno2.2012.03.420.64UNSPUNSPUNSPunknUNSPUNSPUNSP
11973-06-07 -- ----YesJSZUSGS1.52 Good NONE1Imported Channel 1WADEunspeunkno1.528.702.070.73UNSPUNSPUNSPunknUNSPUNSPUNSP