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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 01399575 Rockaway C near Potterstown NJ


Hunterdon County, New Jersey
Hydrologic Unit Code 02030105
Latitude  40°38'36", Longitude  74°45'37" NAD83
Drainage area 18.50  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
 
111977-11-13 -- ----YesRSCUSGS20.92.56 GoodClearNONE
101977-07-06 -- ----YesDWJ/ CMUSGS8.822.40 GoodClearNONE
91977-06-26 -- ----YesWJPUSGS22.22.57 GoodClearNONE
81977-06-09 -- ----YesJBCUSGS50.72.79 GoodClearNONE
71977-06-09 -- ----YesJBCUSGS33.82.67 GoodClearNONE
61977-06-05 -- ----YesRSCUSGS12.42.47 GoodClearNONE
51977-05-07 -- ----YesRSCUSGS30.42.62 GoodClearNONE
41977-03-13 -- ----YesRSCUSGS1133.37 GoodClearNONE
31977-03-04 -- ----YesMCYUSGS1273.51 Fair NONE
21976-12-07 -- ----YesRSCUSGS2614.22 GoodIceCoverNONE
11976-12-07 -- ----YesRSCUSGS19.22.42 GoodIceCoverNONE