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ALL DATA ARE AT LOCAL TIME


USGS 01379780 Green Pond Bk blw Picatinny Lk at Picatinny Ars NJ

PROVISIONAL DATA SUBJECT TO REVISION

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During winter months, cold and ice may result in inaccurate real-time gage height and streamflow data. Adjustments or deletions of this data can only be done after detailed analysis.

 


SURFACE-WATER RECORDS

LOCATION.--Lat 40°56'58", long 74°33'26" referenced to North American Datum of 1983, Rockaway Township, Morris County, NJ, Hydrologic Unit 02030103, on left bank 100 ft upstream from bridge on Whitmore Avenue at Picatinny Arsenal, 200 ft downstream from dam on Picatinny Lake, and 4.4 mi north of Dover.
DRAINAGE AREA.--9.16 mi2.
PERIOD OF RECORD.--Continuous-record discharge station, October 1984 to current year.
REVISED RECORDS.--WDR NJ-90-1: 1987 (M).
GAGE.--Water-stage recorder with telemetry and concrete control. Datum of gage is 694.91 ft above NGVD of 1929 (U.S. Army, Picatinny Arsenal, benchmark).
REMARKS.--Records fair, except for estimated discharges, which are poor. Flow occasionally regulated by Picatinny Lake 200 ft upstream from station. Discharges above 500 ft3/s from rating curve extension on basis of logarithmic extrapolation.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 1,300 ft3/s, from rating curve extended above 500 ft3/s on basis of logarithmic extrapolation, Apr 16, 2007, gage height, 6.90 ft, from high-water mark; minimum discharge, 0.00 ft3/s, Dec 31, 2001.
EXTREMES OUTSIDE PERIOD OF RECORD.--Flood of April 5, 1984 reached an elevation of 699.0 ft above NGVD of 1929 (200 ft upstream from bridge on Whitmore Avenue).

Peak Flood Chart

Gage Photo

Rain gage data is available from this location at this link.

This station managed by the New Jersey Water Science Center.

Available Parameters Available Period
All 2 Available Parameters for this site
  
00060 Discharge 2007-10-21  2016-12-08
00065 Gage height 2007-10-01  2016-12-08

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Discharge, cubic feet per second

Most recent instantaneous value: 10   12-08-2016   08:30 EST
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Daily discharge, cubic feet per second -- statistics for Dec 8 based on 32 years of record more
Min
(2002)
25th
percen-
tile
Most Recent
Instantaneous
Value Dec 8
Median Mean 75th
percen-
tile
Max
(1997)
0.20 8.2 10 13 22 27 85


Gage height, feet

Most recent instantaneous value: 2.53   12-08-2016   08:30 EST
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