USGS Water-Year Summary 2021
01410820 GREAT EGG HARBOR RIVER NEAR BLUE ANCHOR, NJ
LOCATION - Lat 39°40'09", long 74°54'48" referenced to North American Datum of 1983, Winslow Township, Camden County, NJ, Hydrologic Unit 02040302, on upstream right wingwall of bridge on Winslow Road (County Route 723, West Fleming Pike), 1.9 mi southwest of Blue Anchor, and 2.1 mi downstream from Fourmile Branch.
DRAINAGE AREA - 37.3 mi².
PERIOD OF RECORD - Miscellaneous measurements, water years 1985-90, 2005-10. Continuous-record discharge station, water years 1973-79, May-August 2010, March 2011 to current year.
GAGE - Water-stage recorder with telemetry. Datum of gage is 89.46 ft above NAVD of 1988. Prior to 1980, datum of gage at 88.85 ft above NGVD of 1929 on downstream side of bridge.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 1,240 ft³/s, Aug 28, 2011, gage height, 7.53 ft; minimum discharge, 11.0 ft³/s, Jul 24, 1977.