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NOTICE (10/01/2019) -- This site was discontinued on October 1, 2019. 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.

LOCATION.--Lat 43°50'38.7", long 73°25'54.2" referenced to North American Datum of 1983, Essex County, NY, Hydrologic Unit 04150408, on left bank of tailrace channel, 250 ft downstream from powerplant and third ("C" Mill) dam downstream of Lake George outlet, at Ticonderoga, 250 ft upstream from Trout Brook, and 0.5 mi downstream from upper ("A" Mill) dam.
DRAINAGE AREA.--234 mi².  
PERIOD OF RECORD.--August 1904 to December 1905, October 1942 to September 1979, April 2018 to current year. Prior to October 1973, published as "Lake George Outlet at Ticonderoga." Prior to April 2018, published as ancillary record to 0427900 La Chute at Ticonderoga.
GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 187.41 ft above NGVD of 1929 and 186.89 ft above NAVD of 1988. Prior to Apr. 24, 2018, at datum 3.00 ft higher.
REMARKS.--Flow completely regulated by dam and hydroelectric plant at Lake George (station 04278000) 0.5 mi upstream as well as by dams and hydroelectric plants at "B" and "C" mill ponds, 0.4 and 0.1 mi upstream. Records represent tailrace flow only and is used as ancillary data for station 04279000, total discharge from Lake George. Water Year 2018: Records fair except those for estimated daily discharges, which are poor.

Gage PhotoStation image


This station managed by the NY Water Science Center Troy.

Available Parameters Available Period
2018-04-25  2019-11-26
2018-04-25  2019-11-26


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Summary of all available data for this site
Instantaneous-data availability statement
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.