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ALL DATA ARE EASTERN STANDARD TIME

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.
REVISED RECORDS.--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.
REMARKS.--High flows significantly regulated by upstream reservoirs. During each year a large part of flow from 45.5 mi2 of drainage area is diverted upstream from Lake Lamoka on Mud Creek, an upstream tributary, into Keuka Lake (Oswego River basin) for power development. Water Year 2014-15: Records good except those for estimated daily discharges, which are fair.
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
This station managed by the NY Water Science Center, Ithaca.

Available Parameters Available Period
All 2 Available Parameters for this site
  
00060 Discharge 2007-10-01  2016-08-31
00065 Gage height 2016-05-03  2016-08-31

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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: 186   08-31-2016   10:00 EST
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Daily discharge, cubic feet per second -- statistics for Aug 31 based on 36 years of record more
Min
(1991)
Most Recent
Instantaneous
Value Aug 31
25th
percen-
tile
Median 75th
percen-
tile
Mean Max
(2004)
124 186 201 253 473 784 9290


Gage height, feet

Most recent instantaneous value: 14.48   08-31-2016   10:00 EST
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