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LOCATION.--Lat 42°46'00", long 77°50'20" referenced to North American Datum of 1983, Livingston County, NY, Hydrologic Unit 04130002, on right bank 100 ft north of Jones Bridge Road, 0.8 mi downstream from Canaseraga Creek, 2.8 mi northeast of Mount Morris, and 63.0 mi upstream from mouth.
DRAINAGE AREA.--1,424 mi2.
PERIOD OF RECORD.--May 1903 to April 1906, August 1908 to April 1914, July 1915 to current year. Prior to 1968, published as "at Jones Bridge."
REVISED RECORDS.--WSP 1277: 1952. WSP 1387: 1913. WSP 1437: 1955. WDR NY-82-3: Drainage area. WDR NY-78-1: 1974-77 (M,m). WDR NY-01-3: 1991 (M), 1992 (M), 1996-2000 (M).
GAGE.--Water-stage recorder. Datum of gage is 540.12 ft above NGVD of 1929. Prior to Sept. 11, 1915, nonrecording gage on bridge at datum 2.85 ft lower.
REMARKS.--Diurnal fluctuation at low flow caused by powerplant. Flow regulated to some extent by Rushford Lake from July 1928 to November 1951, and at high flows by Mount Morris Lake (station 04224000) since November 1951 . Monthly figures of discharge and runoff 1952 to 1966 water years adjusted for change in contents in Rushford Lake and Mount Morris Lake. Water Years 2014-15: Records good except those for estimated daily discharges, which are fair.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, since construction of Mt. Morris Reservoir in November 1951, 17,800 ft3/s, June 24, 1972, gage height, 24.50 ft; minimum discharge, 12 ft3/s, July 23, 1955, gage height, 0.22 ft, partially obstructed intake.
EXTREMES FOR PERIOD PRIOR TO REGULATION.--Maximum discharge, prior to construction of Mt. Morris Reservoir in November 1951, 55,100 ft3/s, May 17, 1916, gage height, 25.44 ft; maximum gage height, 25.80 ft, Mar. 13, 1920 (ice jam); minimum discharge, 18 ft3/s, Aug. 29, 1909.

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  2016-07-28
00065 Gage height 2016-03-30  2016-07-28

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Instantaneous-data availability statement

Discharge, cubic feet per second

Most recent instantaneous value: Eqp   07-28-2016  04:05 EST
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Daily discharge, cubic feet per second -- statistics for Jul 28 based on 64 years of record more
Most Recent
Value Jul 28
Median 75th
Mean Max
Eqp 60 210 319 592 637 6630

Gage height, feet
-- Data temporarily unavailable for the time period specified --