Funding for this site is provided by:
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.
, including 14.0
, the flow from which may be diverted into DeRuyter
Reservoir in Oswego River basin.
PERIOD OF RECORD.--
May 1938 to current year.
WSP 2103: Drainage area. WDR NY-74-1:
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.
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
/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