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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 01381940 Passaic R at Horse Neck Bridge near Pine Bk NJ


Morris County, New Jersey
Hydrologic Unit Code 02030103
Latitude  40°52'56", Longitude  74°20'24" NAD83
Drainage area 350.00  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
 
102025-07-15 11:09:06EDTYesrwa/jtgUSGS551 GoodDebrisLightNONE
92025-07-07 15:32:35EDTYesjbe/lmsUSGS215 Poor NONE
82025-03-13 13:04:25EDTYesJAC/EBNJWSC652 PoorClearNONE
72025-01-08 13:40:47ESTYesjtg bbNJWSC333 Fair OTHR
61984-09-18 -- ----YesJPCUSGS12119.010.001.00FairClearNONE
51984-01-17 -- ----YesJFDUSGS35117.290.001.30PoorIceCoverNONE
41983-08-04 -- ----YesTGTUSGS11518.79 FairClearNONE
31970-08-05 -- ----YesJTF/JNUSGS165 GoodClearNONE
21964-09-22 -- ----Yes???USGS39.5 Unspecified NONE
11964-06-17 -- ----YesRSCUSGS136 GoodClearNONE