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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 01381580 Black Brook near Whippany NJ
Morris County, New Jersey
Hydrologic Unit Code 02030103
Latitude  40°48'38", Longitude  74°23'41" NAD83
Drainage area 10.4  square miles
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)
152012-08-21 11:12EDTYeskmbUSGS2.54 Fair NONE1mainWADEQSCMMVADV2.5423.521.60.12SOFTsiltEVENunknEVENUNSPATGA
142012-07-11 13:27:08EDTYesARMUSGS1.151.990.000.30GoodDebrisLightNONE1mainWADEQSCMMVADV1.1519.314.60.08FIRMsiltEVENunknEVENSTNDUPST10.00
132011-11-10 15:09ESTYesarvUSGS6.371.540.000.50PoorDebrisModerateNONE1Imported Channel 1WADEQSCMMVADV6.3727.830.20.21FIRMCBLSUNEVunknUNEVNSTDUPST10.00
122011-10-18 14:26EDTYesarmUSGS6.761.770.000.40GoodDebrisLightNONE1Imported Channel 1WADEQSCMMVADV6.7625.327.50.25FIRMsiltEVENunknEVENUNFMUPST20.00
112010-09-16 13:11EDTYesarmUSGS1.582.450.000.30FairDebrisLightNONE1Imported Channel 1WADEQSCMMVADV1.5820.112.60.13FIRMsiltEVENunknUNEVUNSPUPST4.00
102010-08-12 13:40EDTYesarmUSGS1.282.460.000.40FairDebrisModerateNONE1Imported Channel 1WADEQSCMMVADV1.2822.415.30.08FIRMsiltEVENunknEVENNSTDDNST15.00
92009-09-22 14:26:30EDTYesarmUSGS1.932.450.000.40GoodDebrisLightNONE1Imported Channel 1WADEQSCMMVADV1.9321.516.80.12FIRMsiltEVENunknEVENUNSPATGA
82009-08-17 15:57EDTYesarmUSGS4.372.300.000.40GoodDebrisLightNONE1Imported Channel 1WADEQSCMMVADV4.3722.420.50.21FIRMsiltEVENunknEVENUNSPATGA
72008-09-05 12:14EDTYesjjtUSGS0.872.540.000.40PoorDebrisHeavyNONE1Imported Channel 1WADEQSCMMVADV0.8713.012.60.07SOFTsiltUNEVunknUNEVUNSPATGA
62008-08-29 11:06EDTYesjjtUSGS0.762.540.000.40PoorDebrisHeavyNONE1Imported Channel 1WADEQSCMMVADV0.7617.011.20.07FIRMsiltUNEVunknUNEVUNSPATGA
52007-09-24 10:41EDTYesarmUSGS1.472.400.000.40FairDebrisModerateNONE1Imported Channel 1WADEQSCMMVADV1.4718.913.80.11UNSPUNSPUNSPunknUNSPUNSPUNSP
42007-08-28 16:47EDTYesarmUSGS7.002.110.000.50FairDebrisModerateNONE1Imported Channel 1WADEQSCMMVADV7.0022.920.70.34UNSPUNSPUNSPunknUNSPUNSPUNSP
31995-09-06 10:30EDTYesVCUSGS0.36 GoodClearNONE1Imported Channel 1WADEunspeunkno0.3610.08.620.42UNSPUNSPUNSPunknUNSPUNSPUNSP
21995-04-27 08:41EDTYesVCUSGS0.25 PoorClearNONE1Imported Channel 1OTHRother 0.25 UNSPUNSPUNSPunknUNSPUNSPUNSP
11994-10-05 14:25EDTYesVCUSGS0.60 PoorClearNONE1Imported Channel 1WADEunspeunkno0.6018.022.70.03UNSPUNSPUNSPunknUNSPUNSPUNSP