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SURFACE-WATER RECORDS
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 mi
2.
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 ft
3/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
ft
3/s, gage height, 12.94 ft, from high-water mark in gage
house, Aug 28, 2011, from rating curve extended above 4,500
ft
3/s on basis of slope-area measurement of peak flow at
gage height 12.58 ft; minimum discharge, 3.6 ft
3/s, Sep 25,
1964.
WATER-QUALITY RECORDS
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

National Weather Service flood stage for
this gage is 6 ft.
Rain
gage data is available from this location at this link