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USGS 01440000 Flat Brook near Flatbrookville NJ


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LOCATION.--Lat 41°06'22", long 74°57'09" referenced to North American Datum of 1983, Walpack Township, Sussex County, NJ, Hydrologic Unit 02040104, on right bank, 1.0 mi upstream from Flatbrookville, 1.5 mi upstream from mouth, and 5.3 mi southwest of Walpack Center.
DRAINAGE AREA.--64.0 mi2.
PERIOD OF RECORD.--Continuous-record discharge station, July 1923 to current year.
REVISED RECORDS.--WSP 1432: 1924(M), 1928(M), 1929, 1930(M), 1932, 1933(M), 1936, 1938(M), 1939-40, 1949(M), 1952-53(M). WDR NJ-80-2: 1970(M). WDR NJ-82-2: Drainage area.
GAGE.--Water-stage and precipitation recorder with telemetry and crest-stage gage. Concrete control since Aug 19, 1929. Datum of gage is 347.73 ft above NGVD of 1929. Prior to Jan 6, 1926, non-recording gage at same site and datum.
REMARKS.--Records fair, except for estimated discharges, which are poor. Flow occasionally regulated by ponds above station. Discharges above 4,500 ft3/s from rating curve extension on basis of slope-area measurement of peak flow at gage height 12.58 ft.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 10,200 ft3/s, gage height, 12.94 ft, from high-water mark in gage house, Aug 28, 2011, from rating curve extended above 4,500 ft3/s on basis of slope-area measurement of peak flow at gage height 12.58 ft; minimum discharge, 3.6 ft3/s, Sep 25, 1964.


PERIOD OF RECORD.--Water years 1923-24, 1956-57, 1959-80, 1993, 1995, 1997 to current year.
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 6 ft.

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
2020-02-03  2020-03-30
1981-10-03  2020-03-30
2007-10-01  2020-03-30
2020-02-03  2020-03-30


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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: 170 03-30-2020   13:00 EDT
Graph of  Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Mar 30 based on 95 water years of record more
Most Recent
Value Mar 30
Median Mean 75th
50.0 121 170 172 233 280 1140

Gage height, feet

Most recent instantaneous value: 2.63 03-30-2020   13:00 EDT
Graph of  Gage height, feet

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