PROVISIONAL DATA SUBJECT TO REVISION
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LOCATION.--Lat 40°53'14.7", long
73°33'47.5" referenced to North American Datum of
1983, Nassau County, NY, Hydrologic Unit 02030201, on right
bank at Beaver Lake, 30 ft upstream from Feeks Lane (Cleft
Road) Bridge in Mill Neck, and 1.5 mi southwest of
Bayville.
DRAINAGE AREA.--8.58 mi².
PERIOD OF RECORD.--January 1937 to March 2000, May 2005 to September 2010, October 2013 to current year.
REVISIONS HISTORY.--WDR NY-09-2: Drainage area. Discharge for the period Mar. 2 to 4, 2018, was revised on July 19, 2021, based on estimates of tidal backwater.
GAGE.--Water-stage recorder and steel sheet-piling control. Datum of gage is 6.49 ft above NGVD of 1929 and 5.41 ft above NAVD of 1988 (VERTCON).
REMARKS.--Slight regulation by ponds above station.
Water Years 2014-23: Records good except those for estimated daily discharges, which are poor.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 137 ft³/s, Sept. 12, 1960, gage height, 1.60 ft; maximum gage height, 4.85 ft, Sept. 21, 1938, result of storm tide; minimum discharge, 0.09 ft³/s, Dec. 11, 1941, result of freeze up (from discharge measurement); minimum gage height not determined.
EXTREMES OUTSIDE PERIOD OF RECORD.--Maximum gage height, 4.82 ft, Oct. 29, 2012, from high-water mark, result of storm tide.
DRAINAGE AREA.--8.58 mi².
PERIOD OF RECORD.--January 1937 to March 2000, May 2005 to September 2010, October 2013 to current year.
REVISIONS HISTORY.--WDR NY-09-2: Drainage area. Discharge for the period Mar. 2 to 4, 2018, was revised on July 19, 2021, based on estimates of tidal backwater.
GAGE.--Water-stage recorder and steel sheet-piling control. Datum of gage is 6.49 ft above NGVD of 1929 and 5.41 ft above NAVD of 1988 (VERTCON).
REMARKS.--Slight regulation by ponds above station.
Water Years 2014-23: Records good except those for estimated daily discharges, which are poor.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 137 ft³/s, Sept. 12, 1960, gage height, 1.60 ft; maximum gage height, 4.85 ft, Sept. 21, 1938, result of storm tide; minimum discharge, 0.09 ft³/s, Dec. 11, 1941, result of freeze up (from discharge measurement); minimum gage height not determined.
EXTREMES OUTSIDE PERIOD OF RECORD.--Maximum gage height, 4.82 ft, Oct. 29, 2012, from high-water mark, result of storm tide.
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