LOCATION.--Lat 43°19'08.6", long
73°50'39.5" referenced to North American Datum of
1983, Saratoga County, NY, Hydrologic Unit 02020001, on right
bank at Hadley, 400 ft downstream from outlet of Lake Luzerne,
and 0.3 mi upstream from Sacandaga River.
DRAINAGE AREA.--1,664 mi².
PERIOD OF RECORD.--July 1921 to current year.
REVISIONS HISTORY.--WSP 561: 1921-22. WSP 756: Drainage
area. WSP 1432: 1931 (m).
GAGE.--Water-stage recorder and crest-stage gage. Datum
of gage is 563.99 ft above NGVD of 1929 and 563.68 ft above
NAVD of 1988.
REMARKS.--Some diurnal fluctuation caused by powerplant
on Schroon River. Flow regulated by Indian Lake (station
01314500), Lake Abanakee and other reservoirs upstream from
station.
Water Years 2014-23: Records good except those for estimated
daily discharges, which are poor.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge,
44,200 ft³/s, Apr. 29, 2011, gage height, 21.32 ft; minimum
discharge, 196 ft³/s, Sept. 3, 1999, gage height, 0.63
ft.
EXTREMES OUTSIDE PERIOD OF RECORD.--Discharge for the
flood of Mar. 27, 1913, about 49,000 ft³/s, based on peak
runoff comparison with a station 12.7 mi upstream (drainage
area 1,533 mi²).
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