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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 01407871 Manasquan River at US Route 9 at Wyckoff Mills NJ


Monmouth County, New Jersey
Hydrologic Unit Code 02040301
Latitude  40°12'15", Longitude  74°15'24" NAD83
Drainage area 22.4  square miles
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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
 
82004-11-22 11:22ESTYesARV/TMMUSGS18.117.22-0.030.80FairClearNONE
72002-07-29 09:36EDTYesgkhUSGS4.6217.750.000.50GoodClearNONE
62002-04-09 11:00EDTYesGKHUSGS14.117.400.000.50GoodDebrisLightNONE
52002-01-14 11:44ESTYesGKHUSGS8.9817.530.001.00GoodDebrisLightNONE
42001-10-11 10:36EDTYesGKHUSGS5.0517.770.000.80FairClearNONE
32001-07-17 10:14EDTYesgkhUSGS7.5117.750.001.00FairDebrisLightNONE
22001-04-25 10:11EDTYesgkhUSGS20.517.080.011.30FairClearNONE
12001-03-15 07:43ESTYesgkhUSGS42.016.670.001.00GoodClearNONE
1A1966-08-05 08:05ESTYesJSZUSGS7.3617.900.000.50Fair NONE