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USGS 01530332 CHEMUNG RIVER AT ELMIRA NY

PROVISIONAL DATA SUBJECT TO REVISION

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> Site Information
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 580 ft downstream 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 833.04 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. 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 Years 2014-20: 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. 18, 2016; minimum gage height, 0.79 ft, Sept. 17, 18, Oct. 16, 2016.
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.
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> Rating Information
This station managed by the NY Water Science Center Ithaca.

Available Parameters Available Period
  
2001-12-19  2021-09-28
2007-10-01  2021-09-28







 (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: 2030 09-28-2021   15:30 EST
Graph of  Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Sep 28 based on 11 water years of record more
Min
(2020)
25th
percen-
tile
Median 75th
percen-
tile
Mean Most Recent
Instantaneous
Value Sep 28
Max
(2018)
121 186 232 321 1190 2030 6260


Gage height, feet

Most recent instantaneous value: 2.30 09-28-2021   15:30 EST
Graph of  Gage height, feet

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