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USGS 01397000 South Branch Raritan River at Stanton NJ


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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.



LOCATION.--Lat 40°34'20", long 74°52'05" referenced to North American Datum of 1983, Franklin Township, Hunterdon County, NJ, Hydrologic Unit 02030105, on right bank at downstream side of bridge on Stanton Station Road at Stanton Station, 0.4 mi upstream from Prescott Brook, and 1.4 mi west of Stanton.
DRAINAGE AREA.--147 mi2.
PERIOD OF RECORD.--July 1903 to December 1906, July 1919 to current year. Monthly discharge only for some periods published in WSP 1302.
REVISED RECORDS.--WSP 561: Drainage area. WSP 1552: 1904, 1922-24(M), 1928-29(M), 1933-35(M). WDR NJ-88-1: 1982. WDR NJ-02-1: 2002(m).
GAGE.--Water-stage recorder with telemetry. Datum of gage is 125.01 ft above NGVD of 1929. Prior to Aug 17, 1925, non-recording gage on downstream side of highway bridge at same site and datum.
REMARKS.--Records good, except for estimated discharges, which are fair. Flow regulated by Spruce Run Reservoir since September 1963 (station 01396790). Occasional regulation at low flows by ponds above station. Water diverted by Hamden Pumping Station, 4.0 mi upstream, into Round Valley Reservoir since February 1966. Water can be released (maximum rate 186 ft3/s) from Round Valley Reservoir at Hamden Pumping Station since July 1990.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 18,000 ft3/s, Aug 19, 1955, gage height, 15.22 ft; minimum discharge, 9.0 ft3/s, Nov 7, 1931.


PERIOD OF RECORD.--Water years 1923-25, 1959-81, 1983-84, 1991-97, 2004 to current year.
DISSOLVED OXYGEN, PERCENT SATURATION: September 2009. PH: September 2009. SPECIFIC CONDUCTANCE: September 2009. WATER TEMPERATURE: September 2009.
COOPERATION.--COOPERATION: Physical measurements and samples for laboratory analysis were collected in cooperation with the NJ Department of Environmental Protection and the New Jersey Water Supply Authority. Determination of concentrations of ammonia in filtered water was performed by the NJ Department of Health and Senior Services, Environmental and Chemical Laboratory (DHSS-ECL). Determination of concentrations of suspended solids in unfiltered water was performed by the DHSS-ECL.
REMARKS.--Discrete water-quality data were collected as part of the New Jersey Ambient Surface-Water-Quality Monitoring Network.

Peak Flood Chart

Gage Photo

National Weather Service flood stage for this gage is 8.0 ft.

Forecasts for this gage are issued by the National Weather Service routinely year-round.
Forecast information is available here.

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  2017-03-25
00065 Gage height 2007-10-01  2017-03-25

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Instantaneous-data availability statement

Discharge, cubic feet per second

Most recent instantaneous value: 67 03-25-2017   13:15 EDT
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Daily discharge, cubic feet per second -- statistics for Mar 25 based on 99 years of record more
Most Recent
Value Mar 25
Median Mean 75th
54 67 222 327 392 494 1510

Gage height, feet

Most recent instantaneous value: 2.34 03-25-2017   13:15 EDT
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