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
Funding for this site is provided by:
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
PERIOD OF RECORD.--
October 1922 to current year.
WSP 781:1933(M). WSP 951:1940-41, Drainage
area. WSP 1432:1923, 1924(M). WDR US-2006:1904(M).
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.
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
/s, Aug 19, 1955, gage height, 30.21 ft, from high-water
mark in gage house; minimum discharge, 609 ft3
/s, Sep 28,
EXTREMES OUTSIDE PERIOD OF RECORD.--
Flood of Oct 10, 1903
reached a stage of 28.6 ft, from floodmark, discharge, 250,000
/s, from rating curve extended above 170,000
National Weather Service flood stage for this
gage is 22.0 ft.
Forecasts for this gage are issued by the National Weather Service
Forecast information is available here.