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NOTICE (07/05/2022) -- This site will be discontinued on September 30, 2022. Although historic data will remain accessible, no new data will be collected after this date unless one or more new funding partners are found. Users who are willing to contribute funding to continue operation of this streamgage should contact Rob Breault of the USGS New York Water Science Center at 518-285-5600 or dc_ny@usgs.gov.

> Site Information
LOCATION.--Lat 43°07'31.4", long 73°35'05.7" referenced to North American Datum of 1983, Washington County, NY, Hydrologic Unit 02020003, on left bank 1,400 ft downstream from bridge on U.S. Highway 4 at Thomson, and 500 ft upstream from dam at Lock 5 of the Champlain (Barge) Canal.
DRAINAGE AREA.--3,000 mi².
PERIOD OF RECORD.--September 2014 to current year.
GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 81.65 ft above NAVD of 1988.
REMARKS.--Flow regulated appreciably by Great Sacandaga Lake since March 1930 (station 01323500) and Indian Lake since 1898 (station 01314500). 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 Years 2014-21: Records good except those for estimated daily discharges, which are poor.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 36,400 ft³/s, Nov. 2, 2019, gage height, 24.89 ft; minimum discharge, 1,270 ft³/s, Aug. 15, 2019, gage height, 19.75 ft; minimum gage height, 19.68 ft, May 29, Sept. 9, 2015.
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> Rating Information
This station managed by the NY Water Science Center Troy.

Available Parameters Available Period
2014-09-04  2022-08-11
2014-09-03  2022-08-11


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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: 3160 08-11-2022   00:15 EST
Graph of  Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Aug 11 based on 7 water years of record more
Median Mean Most Recent
Value Aug 11
2220 2220 2610 3130 3160 3380 6280

Gage height, feet

Most recent instantaneous value: 20.28 08-11-2022   00:15 EST
Graph of  Gage height, feet

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