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USGS 01325000 SACANDAGA RIVER AT STEWARTS BRIDGE NR HADLEY NY

PROVISIONAL DATA SUBJECT TO REVISION

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LOCATION.--Lat 43°18'41", long 73°52'02" referenced to North American Datum of 1983, Saratoga County, NY, Hydrologic Unit 02020002, on left bank 1.0 mi downstream from Stewarts Bridge, 1.1 mi west of Hadley, 1.4 mi upstream from mouth, and 1.5 mi downstream from Stewarts Bridge hydroelectric plant.
DRAINAGE AREA.--1,055 mi2.
PERIOD OF RECORD.--September 1907 to current year. Published as "near Hadley" 1907-l910, "at Hadley" 1911-32 and "at Conklingville" 1932-52. Records published for present site and former site October 1951 to September 1952.
REVISED RECORDS.--WSP 1302: 1908. WSP 1432: 1910-12, 1916-21. WDR NY-83-1: 1968(M), 1971-72(M), 1976-77(M), 1979(M).
GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 582.00 ft above NGVD of 1929. Prior to Jan. 1, 1911, nonrecording gage at site about 1 mi upstream at different datum. Jan. 1, 1911 to Sept. 30, 1932, at site 0.8 mi downstream at datum 8.82 ft lower. Oct. 1, 1932 to Sept. 30, 1952, at site 3.6 mi upstream at datum 85.47 ft higher.
COOPERATION.--From Oct. 1, 1932 to Dec. 4, 1979, discharge computed by Board of Hudson River-Black River Regulating District from rating developed by U.S. Geological Survey. Since Dec. 4, 1979, discharge computed by U.S. Geological Survey.
REMARKS.--Flow regulated by Great Sacandaga Lake since Mar. 27, 1930 (station 01323500); discharge over spillway, part or all of several days in 1983, 1990, 1993, 2000, 2003-04, 2006-08, 2011 (only spillage since completion of Conklingville Dam in 1930). Extensive diurnal fluctuation caused by release of water from Great Sacandaga Lake, through Elmer J. West hydroelectric station directed by Board of Hudson River-Black River Regulating District and through Stewarts Bridge hydroelectric station. Water Years 2014-15: Records good except those below about 50 ft3/s, which are fair.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, since construction of Great Sacandaga Lake in 1930, 16,500 ft3/s, May 2, 2011, gage height, 10.40 ft; minimum, 4.2 ft3/s, May 4, 1985, Mar. 30, 31, Apr. 1-10, 11, 13, 14, 15, 1992.
EXTREMES FOR PERIOD PRIOR TO REGULATION.--Maximum discharge, prior to construction of Great Sacandaga Lake in 1930, about 35,500 ft3/s, Mar. 28, 1913, gage height, 12.36 ft, site and datum then in use.

Peak Flow and Stage Information
This station managed by the NY Water Science Center, Troy.

Available Parameters Available Period
All 2 Available Parameters for this site
  
00060 Discharge 2007-10-01  2016-10-01
00065 Gage height 2016-06-03  2016-10-01

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Summary of all available data for this site
Instantaneous-data availability statement


Discharge, cubic feet per second

Most recent instantaneous value: 2,120   10-01-2016   16:30 EST
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Daily discharge, cubic feet per second -- statistics for Oct 1 based on 85 years of record more
Min
(1940)
25th
percen-
tile
Mean Median Most Recent
Instantaneous
Value Oct 1
75th
percen-
tile
Max
(1946)
19 1400 1810 2040 2120 2340 3590


Gage height, feet

Most recent instantaneous value: 3.89   10-01-2016   16:30 EST
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