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USGS 01529950 CHEMUNG RIVER AT CORNING NY

PROVISIONAL DATA SUBJECT TO REVISION

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LOCATION.--Lat 42°08'47", long 77°03'27" referenced to North American Datum of 1983, Steuben County, NY, Hydrologic Unit 02050105, on right bank adjacent to Corning Glass Works power plant, 500 ft downstream from Bridge Street, 1.7 mi downstream from Cohocton River, at Corning.
DRAINAGE AREA.--2,006 mi².
PERIOD OF RECORD.--Occasional discharge measurements, water years 1918, 1946, 1968-69. October 1974 to current year.
REVISIONS HISTORY.--WDR NY-78-1: 1976, 1977 (m). WDR NY-83-3: 1982 (M).
GAGE.--Water-stage recorder. Datum of gage is 900.00 ft above NGVD of 1929 and 899.46 ft above NAVD of 1988.
REMARKS.--High flows significantly regulated by upstream reservoirs: since March 1940, by Arkport Reservoir (01521000); since June 1949, by Almond Lake (01523000); since Nov. 1979, by Tioga Lake (01517900) and Hammond Lake (01518498); and since Dec. 1979, by Cowanesque Lake (01519995). From 1931-98, a large part of flow from 45.5 mi² of drainage area upstream from Lamoka Lake on Mud Creek, an upstream tributary, had been diverted into Keuka Lake (Oswego River basin) for power development.
Water Years 2014-17: Records good except those for estimated daily discharges, which are fair. Water Year 2018: Records good except those for estimated daily discharges, which are poor.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, since construction of Tioga, Hammond and Cowanesque Lakes in 1979, about 61,000 ft³/s, Jan. 19, 1996, gage height, 25.93 ft, partially obstructed intake; minimum discharge, 95 ft³/s, Sept. 9, 10, 23, 24, 1991, gage height, 14.30 ft.
EXTREMES OUTSIDE PERIOD OF RECORD.--Flood of June 23, 1972, reached a stage of 40.71 ft, from floodmark, discharge, 228,000 ft³/s, from peak flows determined at upstream and downstream stations adjusted for drainage area and channel storage.
EXTREMES FOR PERIOD PRIOR TO REGULATION.--Maximum discharge, prior to construction of Tioga, Hammond and Cowanesque Lakes in 1979, 127,000 ft³/s, Sept. 26, 1975, gage height, 32.46 ft; minimum discharge, 210 ft³/s, Aug. 29, 1978.

Peak Flow and Stage Information

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This station managed by the NY Water Science Center Ithaca.

Available Parameters Available Period
  
1988-10-31  2019-11-19
2007-10-01  2019-11-19







 (7)
 

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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: 941 11-19-2019   20:00 EST
Graph of  Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Nov 19 based on 40 water years of record more
Min
(2002)
25th
percen-
tile
Most Recent
Instantaneous
Value Nov 19
Median Mean 75th
percen-
tile
Max
(2007)
194 468 941 1070 1650 2550 6970


Gage height, feet

Most recent instantaneous value: 15.42 11-19-2019   20:00 EST
Graph of  Gage height, feet

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