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ALL DATA ARE AT LOCAL TIME


USGS 01463620 Assunpink Creek near Clarksville 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.

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SURFACE-WATER RECORDS

LOCATION.--Lat 40°16'11", long 74°40'19" referenced to North American Datum of 1983, Lawrence Township, Mercer County, NJ, Hydrologic Unit 02040105, on left bank 250 ft upstream from bridge on Quaker Bridge Road (County Route 533), 0.7 mi downstream from dam at Lake Mercer, 1.9 mi south of Clarksville, 2.0 mi upstream from Shipetaukin Creek, and 7.6 mi upstream from mouth.
DRAINAGE AREA.--34.3 mi2.
PERIOD OF RECORD.--Occasional low-flow measurements water years 1963-67. Continuous-record gaging station from October 1972 to September 1981, and March 1992 to current year. Record published for growing season only (April through October) for October 1995 to September 2000.
GAGE.--Water-stage recorder with telemetry and crest-stage gage. Datum of gage is 49.28 ft above NGVD of 1929.
REMARKS.--Records fair, except for estimated discharges, which are poor. Regulation from several flood-control dams since late 1970s and ponds upstream. Diversions for irrigation upstream from station.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 1,250 ft3/s, Aug 29, 2011, gage height, 9.74 ft; minimum discharge, 0.88 ft3/s, Sep 11, 2010.
EXTREMES OUTSIDE PERIOD OF RECORD.--Flood of Aug 28, 1971 reached a stage of 10.9 ft, discharge, 1,500 ft3/s.

Peak Flood Chart

Gage Photo

This station managed by the New Jersey Water Science Center.

Available Parameters Available Period
All 2 Available Parameters for this site
  
00060 Discharge 2007-10-01  2016-12-07
00065 Gage height 2007-10-01  2016-12-07

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Summary of all available data for this site
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Discharge, cubic feet per second

Most recent instantaneous value: 32   12-07-2016   23:00 EST
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Daily discharge, cubic feet per second -- statistics for Dec 7 based on 26 years of record more
Min
(2002)
25th
percen-
tile
Most Recent
Instantaneous
Value Dec 7
Median Mean 75th
percen-
tile
Max
(1973)
7.5 30 32 41 56 60 185


Gage height, feet

Most recent instantaneous value: 4.06   12-07-2016   23:00 EST
Graph of  Gage height, feet

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