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LOCATION.--Lat 42°56'02.4", long 74°11'30.7" referenced to North American Datum of 1983, Montgomery County, NY, Hydrologic Unit 02020004, on left bank in waterfront park at Amsterdam, and 480 ft downstream from bridge on State Highway 30.
DRAINAGE AREA.--3,152 mi².
PERIOD OF RECORD.--Miscellaneous discharge measurements, water years 1966-67. January 2015 to current year.
GAGE.--Water-stage recorder, acoustic velocity meter, and crest-stage gage. Datum of gage is 234.50 ft above NAVD of 1988.
REMARKS.--Considerable regulation of stage by Lock 11 on the Erie (Barge) Canal about 1.3 mi upstream and Lock 10 on the Erie (Barge) Canal about 3.0 mi downstream.
Water Years 2015-18: Records poor.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge 60,200 ft³/s, Apr. 5, 2017, gage height, 22.55 ft; maximum gage height, 24.61 ft, Feb. 20, 2018 (ice jam); minimum discharge not determined; minimum gage height, 7.75 ft, Apr. 19, 20, 2016.
EXTREMES OUTSIDE PERIOD OF RECORD.--Flood of Aug. 29, 2011, reached a stage of 41.94 ft, from floodmarks in downstream cabin of Lock 11 about 1.3 mi upstream, and a stage of 35.70 ft, from floodmarks in upstream cabin of Lock 10 about 3.0 mi downstream, from information provided by New York State Canal Corporation. Flood of June 29, 2006, reached stages of 38.18 ft and 28.92 ft, from floodmarks at same locations respectively.

Peak Flow and Stage Information

Gage PhotoStation image


This station managed by the NY Water Science Center Troy.

Available Parameters Available Period
2015-01-16  2020-05-25
2015-01-16  2020-05-25


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

Discharge, cubic feet per second, [Combined, final]

Most recent instantaneous value: 3590 05-25-2020   10:15 EST
Graph of  Discharge, cubic feet per second, [Combined, final]

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Daily discharge, cubic feet per second -- statistics for May 25 based on 5 water years of record more
Most Recent
Value May 25
Median Mean 75th
1790 1940 3590 3890 3960 6020 7860

Gage height, feet

Most recent instantaneous value: 9.72 05-25-2020   10:15 EST
Graph of  Gage height, feet

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