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ALL DATA ARE EASTERN STANDARD TIME

USGS 01530332 CHEMUNG RIVER AT ELMIRA NY

PROVISIONAL DATA SUBJECT TO REVISION

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LOCATION.--Lat 42°05'11", long 76°48'04" referenced to North American Datum of 1983, Chemung County, NY, Hydrologic Unit 02050105, on right bank 350 ft upstream from bridge on Pennsylvania Avenue at the north end of George Place at Elmira and 1.0 mi downstream from Hoffman Brook.
DRAINAGE AREA.--2,162 mi2.
PERIOD OF RECORD.--Annual maximum only--1988-2009, October 2009 to current year.
GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 833.65 ft above NGVD of 1929 and 833.05 ft above NAVD of 1988 (VERTCON).
REMARKS.--High flows significantly regulated by upstream reservoirs. 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. Diversion upstream from City of Corning and Town of Horseheads for municipal supply, which may include water from several municipal and industrial wells upstream from gage. Water Year 2014-16: Records good except those for estimated daily discharges, which are fair.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 71,000 ft3/s, Jan. 20, 1996, gage height, 18.51 ft, from floodmark; minimum discharge, 109 ft3/s, Sept. 17, 18, 2016, gage height 0.79 ft.
EXTREMES OUTSIDE PERIOD OF RECORD.--Flood of June 23, 1972, reached a discharge of 235,000 ft3/s, computed by slope-area measurement at site (station 01530303) 6 mi upstream.

Peak Flow and Stage Information

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This station managed by the NY Water Science Center Ithaca.

Available Parameters Available Period
All 2 Available Parameters for this site
  
00060 Discharge 1987-12-04  2017-07-25
00065 Gage height 2017-03-27  2017-07-25

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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: 2640 07-25-2017   09:30 EST
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Daily discharge, cubic feet per second -- statistics for Jul 25 based on 7 years of record more
Min
(2016)
25th
percen-
tile
Mean Median 75th
percen-
tile
Max
(2013)
Most Recent
Instantaneous
Value Jul 25
152 238 506 508 644 1060 2640


Gage height, feet

Most recent instantaneous value: 2.54 07-25-2017   09:30 EST
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