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ALL DATA ARE AT LOCAL TIME


USGS 01446500 Delaware River at Belvidere 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°49'35", long 75°04'57" referenced to North American Datum of 1983, Belvidere Town, Warren County, NJ, Hydrologic Unit 02040105, on left bank at Belvidere, 800 ft downstream from Pequest River, 1,200 ft southeast of Riverton, PA, and at river mile 197.7.
DRAINAGE AREA.--4,535 mi2.
PERIOD OF RECORD.--October 1922 to current year.
REVISED RECORDS.--WSP 781:1933(M). WSP 951:1940-41, Drainage area. WSP 1432:1923, 1924(M). WDR US-2006:1904(M).
GAGE.--Water-stage recorder with telemetry. Datum of gage 226.43 ft above NGVD of 1929. Prior to Jan 1, 1929, non-recording gage at site 200 ft upstream at same datum.
REMARKS.--Records good, except for estimated discharges, which are fair. Diurnal fluctuations at medium and low flow caused by powerplants on tributary streams. Flow regulated by Lake Wallenpaupack and by Pepacton, Cannonsville and Neversink Reservoirs, and many smaller reservoirs. Diversion from Pepacton, Cannonsville, and Neversink Reservoirs. Discharges above 170,000 ft³/s from rating curve extension on basis of flood-routing study.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 273,000 ft3/s, from rating curve extented above 170,000 ft³/s on basis of flood-routing study, Aug 19, 1955, gage height, 30.21 ft, from high-water mark in gage house; minimum discharge, 609 ft3/s, Sep 28, 1943.
EXTREMES OUTSIDE PERIOD OF RECORD.--Flood of Oct 10, 1903 reached a stage of 28.6 ft, from floodmark, discharge, 250,000 ft3/s, from rating curve extended above 170,000 ft3/s.

Peak Flood Chart

Gage Photo

National Weather Service flood stage for this gage is 22.0 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  2017-04-24
00065 Gage height 2007-10-01  2017-04-24

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Summary of all available data for this site
Instantaneous-data availability statement


Discharge, cubic feet per second

Most recent instantaneous value: 13900 04-24-2017   08:30 EDT
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Daily discharge, cubic feet per second -- statistics for Apr 24 based on 94 years of record more
Min
(1988)
25th
percen-
tile
Median Mean Most Recent
Instantaneous
Value Apr 24
75th
percen-
tile
Max
(1928)
3310 7470 10700 12500 13900 16200 32800


Gage height, feet

Most recent instantaneous value: 6.98 04-24-2017   08:30 EDT
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