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:
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.
PERIOD OF RECORD.--
July 1923 to current year.
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.
Water-stage 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
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
EXTREMES FOR PERIOD OF RECORD.--
Maximum discharge, 10,200
/s, gage height, 12.94 ft, from high-water mark in gage
house, Aug 28, 2011, from rating curve extended above 4,500
/s on basis of slope-area measurement of peak flow at
gage height 12.58 ft; minimum discharge, 3.6 ft3
/s, Sep 25,
PERIOD OF RECORD1.--
Water years 1923-24, 1956-57,
1959-80, 1993, 1995, 1997 to current year.
Discrete water-quality data were collected
as part of the
New Jersey Ambient Surface-Water-Quality Monitoring Network
1 Water-Quality Records
Rain gage data is available from this location at this link