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USGS 04228500 GENESEE RIVER AT AVON NY

PROVISIONAL DATA SUBJECT TO REVISION

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> Site Information
LOCATION.--Lat 42°55'21.8", long 77°45'26.7" referenced to North American Datum of 1983, Livingston County, NY, Hydrologic Unit 04130003, on left bank on downstream side of bridge on Erie-Attica trail, 0.3 mi west of Avon, 1.1 mi downstream from Conesus Creek, and 35.9 mi upstream from mouth.
DRAINAGE AREA.--1,680 mi². (Area at site used prior to Oct. 1, 2021, 1,673 mi².)
PERIOD OF RECORD.--August 1955 to current year.
REVISIONS HISTORY.--WDR NY-82-3: Drainage area. The maximum discharge for water year 2016 was revised on Nov. 6, 2017, based on hydrographic comparison with streamflow records from Mount Morris (station 04227500) and Rochester (station 04231600).
GAGE.--Water-stage recorder, acoustic velocity meter, and crest-stage gage. Acoustic velocity meter since October 2021. Datum of gage is 500.11 ft above NGVD of 1929 and 499.56 ft above NAVD of 1988. Prior to Oct. 1, 2021, at site 0.3 mi upstream at same datum.
REMARKS.--Prior to 2000, possible diurnal fluctuation at low flow caused by powerplant at Mt. Morris. High flows regulated by Mount Morris Lake (station 04224000) and by Conesus Lake (station 04227980). Monthly figures of discharge and runoff August 1955 to September 1965 adjusted for change in contents in Mount Morris Lake.
Water Years 2014-15: Records good except those for estimated daily discharges, which are fair.
Water Years 2016-18: Records good except those above 500 ft³/s and those for estimated daily discharges, which are poor.
Water Years 2019-21: Records good except those for estimated daily discharges, which are poor.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 16,500 ft³/s, June 25, 1972, gage height 40.67 ft; minimum discharge, 47 ft³/s, Oct. 10, 11, 1980, gage height, 13.70 ft.
PERIOD OF DAILY RECORD1.--SUSPENDED-SEDIMENT DISCHARGE: April 1975 to September 1977.
EXTREMES FOR PERIOD OF DAILY RECORD1.--SUSPENDED-SEDIMENT CONCENTRATION: Maximum daily mean, 2,680 mg/L, July 8, 1977; minimum daily mean, 1 mg/L, Nov. 27, 28, 1975. SUSPENDED-SEDIMENT DISCHARGE: Maximum daily, 39,800 tons, July 8, 1977; minimum daily, 1.7 tons, Nov. 27, 1975.
1 Water-Quality Records
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> Rating Information
This station managed by the NY Water Science Center Ithaca.

Available Parameters Available Period
  
1986-02-28  2022-08-11
2007-10-01  2022-08-11
2021-10-01  2022-08-11
2022-04-13  2022-08-11







 (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: 199 08-11-2022   01:15 EST
Graph of  Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Aug 11 based on 67 water years of record more
Min
(1955)
25th
percen-
tile
Most Recent
Instantaneous
Value Aug 11
Median Mean 75th
percen-
tile
Max
(2009)
92.0 193 199 337 769 771 6130


Gage height, feet, Index Velocity, [gage at railroad bridge]

Most recent instantaneous value: 13.68 08-11-2022   01:15 EST
Graph of  Gage height, feet, [gage at railroad bridge]

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Gage height, feet, Stilling Well

Most recent instantaneous value: 14.28 08-11-2022   02:00 EST
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Mean water velocity for discharge computation, feet per second, Index Velocity

Most recent instantaneous value: 0.43 08-11-2022   01:00 EST
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