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LOCATION.--Lat 42°36'10", long 76°09'34" referenced to North American Datum of 1983, Cortland County, NY, Hydrologic Unit 02050102, on right bank at east end of Elm Street at Cortland, 0.4 mi downstream from confluence of East and West Branches.
DRAINAGE AREA.--292 mi2, including 14.0 mi2, the flow from which may be diverted into DeRuyter Reservoir in Oswego River basin.
PERIOD OF RECORD.--May 1938 to current year.
REVISED RECORDS.--WSP 2103: Drainage area. WDR NY-74-1: 1973.
GAGE.--Water-stage recorder. Datum of gage is 1,084.92 ft above NGVD of 1929. Prior to Oct. 1, 1939, at datum 4.00 ft higher. Oct. 1, 1939 to Sept. 30, 1963, at datum 3.00 ft higher.
REMARKS.--Diurnal fluctuation at low and medium flow caused by powerplants in mills on West Branch. Slight diversion from East Branch for operation of Erie (Barge) Canal. Slight diversion from Gate House Pond on West Branch 17 mi upstream from station into Onondaga Creek basin (St. Lawrence River basin) for manufacturing purposes by Linden Chlorine Process Co. Water Year 2014-15: Records good except those for estimated daily discharges, which are fair.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 14,200 ft3/s, Apr. 3, 2005, gage height, 14.07 ft; minimum discharge, 9.8 ft3/s, Sept. 20, 1939, Sept. 29, 1959.

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  2016-09-26
00065 Gage height 2016-05-29  2016-09-26

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Instantaneous-data availability statement

Discharge, cubic feet per second

Most recent instantaneous value: 50   09-26-2016   02:00 EST
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Daily discharge, cubic feet per second -- statistics for Sep 26 based on 77 years of record more
Most Recent
Value Sep 26
Median 75th
Mean Max
17 50 56 105 172 233 3890

Gage height, feet

Most recent instantaneous value: 2.78   09-26-2016   02:00 EST
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