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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 01380120 Rockaway R ab Den Bk at Denville NJ
Morris County, New Jersey
Hydrologic Unit Code 02030103
Latitude  40°53'26", Longitude  74°28'18" NAD83
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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)
192024-11-04 11:29:48ESTYesjtsUSGS24.8 0.00 GoodDebrisLightNONE1mainWADEQSCMMVADV24.847.839.50.63FIRMGRVLEVENSTDYUNEVSTNDDNST15.00
182024-08-15 12:56:40EDTYesJPUSGS72.4 0.000.55FairClearNONE1mainWADEQSCMMVADV72.462.062.51.16FIRMCBLSEVENSTDYEVENSTNDATGA0.00
172024-04-23 11:53:28EDTYesmtp, lmgUSGS2210.220.001.00FairClearNONE1MainWADEQSCMMVADV22160.21191.87SOFTCBLSUNEVSTDYUNEVUNKNATGA0.00
162023-09-05 12:34:18EDTYesJPUSGS50.4 0.000.50FairClearNONE1mainWADEQSCMMVADV50.461.054.40.93FIRMGRVLEVENSTDYEVENSTNDUPST5.00
152023-05-19 12:00:24EDTYesVFBrownUSGS99.20.93 0.60GoodClearNONE1Rockaway River ab Den BK at Denville NJWADEQSCMMVADV99.260.773.71.35FIRMGRVLUNEVSTDYUNEVUNKNATGA0.00
142022-09-29 10:35:08EDTYesctmUSGS19.9 0.00 FairClearNONE1mainWADEQSCMMVADV19.958.039.40.51FIRMGRVLUNEVSTDYUNEVSTNDUPST10.00
132022-06-08 11:48:28EDTYesSACUSGS1030.900.000.60Good NONE1MainWADEQSCMMVADV10359.575.81.35FIRMCBLSEVENSTDYEVENUNFMATGA0.00
122021-09-21 11:59:48EDTYesctmUSGS96.61.060.00 FairClearNONE1mainWADEQSCMMVADV96.673.560.91.58FIRMGRVLUNEVSTDYUNEVSTNDUPST30.00
111946-10-18 -- ----YesGSHUSGS74.6 0.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno74.648.059.41.26UNSPUNSPUNSPunknUNSPUNSPUNSP
101945-03-19 23:00ESTYesACLUSGS327 -0.010.80GoodClearNONE1Imported Channel 1WADEunspeunkno32747.01202.72UNSPUNSPUNSPunknUNSPUNSPUNSP
91943-07-14 23:00ESTYesACLUSGS94.9 -0.010.40GoodClearNONE1Imported Channel 1WADEunspeunkno94.947.066.41.43UNSPUNSPUNSPunknUNSPUNSPUNSP
81942-08-25 23:00ESTYesACL/DBCUSGS175 0.000.40GoodClearNONE1Imported Channel 1WADEunspeunkno17547.588.61.98UNSPUNSPUNSPunknUNSPUNSPUNSP
71942-07-14 23:00ESTYesACLUSGS48.4 0.000.20Good NONE1Imported Channel 1WADEunspeunkno48.447.551.10.95UNSPUNSPUNSPunknUNSPUNSPUNSP
61941-11-26 -- ----YesRWTUSGS38.9 0.000.80ExcellentDebrisModerateNONE1Imported Channel 1WADEunspeunkno38.948.048.30.81UNSPUNSPUNSPunknUNSPUNSPUNSP
51941-11-05 -- ----YesACLUSGS113 -0.010.70GoodClearNONE1Imported Channel 1WADEunspeunkno11348.069.21.63UNSPUNSPUNSPunknUNSPUNSPUNSP
41941-05-22 -- ----YesACLUSGS61.1 0.000.70Good NONE1Imported Channel 1WADEunspeunkno61.147.054.71.12UNSPUNSPUNSPunknUNSPUNSPUNSP
31941-04-09 -- ----YesRHTUSGS387 -0.021.00Excellent NONE1Imported Channel 1WADEunspeunkno38748.01312.88UNSPUNSPUNSPunknUNSPUNSPUNSP
21941-03-13 -- ----YesRWTUSGS141 0.010.70Excellent NONE1Imported Channel 1WADEunspeunkno14147.074.91.88UNSPUNSPUNSPunknUNSPUNSPUNSP
11941-02-20 -- ----YesACLUSGS165 0.060.50GoodIceShoreNONE1Imported Channel 1WADEunspeunkno16547.085.71.98UNSPUNSPUNSPunknUNSPUNSPUNSP