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:
Lat 39°35'41", long 74°51'06"
referenced to North American Datum of 1983, Folsom Borough, Atlantic
County, NJ, Hydrologic Unit 02040302, on left bank 25 ft upstream from
bridge on State Highway 54, 1.0 mi south of Folsom, and 2.0 mi upstream
from Pennypot Stream.
PERIOD OF RECORD.--
September 1925 to current year. Prior to
October 1947, published as "Great Egg River at Folsom".
WSP 1432: 1928(M), 1933. WDR NJ-83-1: Drainage
Water-stage and precipitation recorder with telemetry and
crest-stage gage. Concrete control since Nov 26, 1934. Datum of gage is
53.32 ft above NGVD of 1929. Prior to Mar 6, 1941, water-stage recorder
at site 100 ft downstream at same datum. Mar 6 to Oct 5, 1941,
non-recording gage at site 145 ft downstream at datum 0.25 ft
Records good, except for estimated discharges, which
EXTREMES FOR PERIOD OF RECORD.--
Maximum discharge, 1,440
/s, Sep 3, 1940, gage height, 9.09 ft; minimum discharge,
/s, Aug 22, 2002.
Rain gage data is available from this location at this