Funding for this site is provided by:
42°49'45", long 73°39'58" referenced to North
American Datum of 1983, Saratoga County, NY, Hydrologic Unit 02020003,
0.4 mi upstream from dam at Lock 1 of the Champlain (Barge) Canal, 2.8
mi northeast of Waterford, and 3.4 mi downstream from dam at Lock 2 of
the Champlain (Barge) Canal.
PERIOD OF RECORD.--
October 1887 to September 1956, October 1976
to current year. Prior to October 1976, published as "at
Mechanicville" (station 01335500, drainage area 4,500 mi²). Daily
discharge records from October 1976 to September 1981 are published
with suspended-sediment data as Hudson River at Waterford (station
WDR NY-99-1: 1998.
Water-stage recorder. Since Oct. 1, 1998, supplementary
water-stage and taintor gate-position recorders, 0.4 mi downstream at
dam at Lock 1. Datum of gage is NGVD of 1929. To convert to NAVD of
1988, subtract 0.72 ft. Prior to October 1976, various gages at site
5.8 mi upstream at different datum. October 1976 to January 1978,
nonrecording gage 200 ft downstream.
Flow regulated by Indian Lake (station 01314500) since
1898 and by Great Sacandaga Lake (station 01323500) since March 1930.
Diurnal fluctuation caused by powerplants upstream from station. Water
is diverted into St. Lawrence River basin through Glens Falls feeder,
Bond Creek, and Champlain (Barge) Canal, and occasionally may be
received from that basin through summit level of Champlain (Barge)
Canal at Dunham Basin. Water-discharge data for July 1992 through May
1994 based on records for Hudson River at Stillwater (station 01331095)
and Hoosic River near Eagle Bridge (station 01334500) due to
reconstruction of dam at Lock 1.
Water Year 2015: Records poor. Water Years 2014, 2016-17: Records fair
except those for estimated daily discharges, which are poor.
EXTREMES FOR PERIOD OF RECORD.--
Maximum discharge, since
construction of Great Sacandaga Lake in 1930, 118,000 ft³/s, Jan. 1,
1949; maximum gage height, 36.38 ft, May 30, 31, 1984; minimum daily
discharge, 614 ft³/s, Feb. 1, 1931; minimum instantaneous discharge not
EXTREMES FOR PERIOD PRIOR TO REGULATION.--
prior to construction of Great Sacandaga Lake in 1930, 120,000 ft³/s,
Mar. 28, 1913.
Peak Flow and Stage Information