LOCATION.--Lat 43°48'28", long
73°27'30" referenced to North American Datum of 1927,
Essex County, NY, Hydrologic Unit 04150408, on west shore about
500 ft north of Hooper's dock at Rogers Rock, and 0.4 mi
west of Baldwin.
DRAINAGE AREA.--233 mi². at outlet at Ticonderoga.
PERIOD OF RECORD.--July 1913 to current year (daily gage
heights prior to October 2003, elevations thereafter).
REVISIONS HISTORY.--WDR NY-87-1: Datum.
GAGE.--Water-stage recorder. Datum of gage is NGVD of
1929. To convert elevations to NAVD of 1988, subtract 0.28 ft.
Prior to Nov. 4, 1929, nonrecording gages at several sites
within a half mile of present site. Nov. 4, 1929 to Sept. 26,
1936, nonrecording gage at present site. Prior to October 2003,
at datum 316.06 ft higher.
REMARKS.--Elevation of lake regulated by floodgates at
Ticonderoga. Prior to October 1974, lake was regulated by
powerplant wheel gate and floodgates. Lake George has been
controlled by a dam at its outlet for more than 100 years. Area
of water surface is 44 mi².
EXTREMES FOR PERIOD OF RECORD.--Maximum elevation
observed, 321.15 ft, present datum, Apr. 9, 1936; minimum
elevation, 316.70 ft, present datum, Dec. 20, 1941.