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 analysis.

 

SURFACE-WATER RECORDS
LOCATION.--Lat 39°40'28", long 74°39'54" referenced to North American Datum of 1983, Mullica Township, Atlantic County, NJ, Hydrologic Unit 02040301, on right bank in Wharton State Forest, 2.4 mi upstream from Sleeper Branch, 2.5 mi north of Batsto, and 5.7 mi southeast of Atsion.
DRAINAGE AREA.--46.7 mi².
PERIOD OF RECORD.--Continuous-record discharge station, September 1957 to current year.
REVISED RECORDS.--WDR NJ-1969: 1958(M), 1960(M), 1967-68(M). WDR NJ-83-1: Drainage area.
GAGE.--Water-stage recorder with telemetry and crest-stage gage. Datum of gage is 11.93 ft above NGVD of 1929.
REMARKS.--Records good, except for estimated discharges, which are fair. Some regulation from upstream cranberry bogs and Atsion Lake. Diversions from Sleeper Branch enter river upstream from gage and substantially increase the discharge at the gage.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 1,860 ft³/s, Aug 29, 2011, gage height, 7.30 ft, from high-water mark; minimum discharge, 4.9 ft³/s, Sep 16, 1995.

Peak Flood Chart

National Weather Service flood stage for this gage is 5 ft.