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> Site Information
LOCATION.--Lat 43°08'42", long 77°30'43" referenced to North American Datum of 1983, Monroe County, NY, Hydrologic Unit 04140101, on right bank 4,000 ft upstream from bridge on Blossom Road, 1.8 mi east of Rochester, 1.7 mi downstream from Allen Creek, and 4.4 mi upstream from mouth.
DRAINAGE AREA.--142 mi² of which 7.78 mi² probably is noncontributing.
PERIOD OF RECORD.--Occasional discharge measurements, water years 1977-80. December 1980 to current year.
GAGE.--Water-stage recorder. Datum of gage is 247.87 ft above NGVD of 1929 (levels by Corps of Engineers) and 247.24 ft above NAVD of 1988 (VERTCON). Prior to Oct. 1, 1991, at site 0.8 mi downstream at datum 1.56 ft lower.
COOPERATION.--Water-quality samples were collected by the Monroe County Department of Environmental Services and analyzed by the Monroe County Environmental Laboratory at Rochester, NY. Prior to 2003, water-quality samples and discharge measurements were collected and provided by the Monroe County Environmental Laboratory at Rochester, N.Y.
REMARKS.--Discharge includes undetermined diversion from Erie (Barge) Canal. Unpublished water-quality records for prior years are available in files of Monroe County Department of Health.
Water Years 2014-20: Records good except those for estimated daily discharges, which are fair.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 3,300 ft³/s, Jan. 8, 1998, gage height, 9.95 ft; minimum discharge, 25 ft³/s, Sept. 8, 9, 10, 14, 2002, gage height, 2.14 ft.
PERIOD OF DAILY RECORD1.-- WATER TEMPERATURES: November 1994 to September 2001 and October 2004 to current year.
INSTRUMENTATION1.--Water temperature recorder since November 1994 provides 15-minute-interval readings.
REMARKS1.--Interruption of record was due to malfunction of recording instrument.
EXTREMES FOR PERIOD OF DAILY RECORD1.--WATER TEMPERATURES: Maximum, 27.0°C, Jul. 5, 6, 1999; minimum -0.2°C, on many days during the winter of the 2016, 2017, and 2018 water years.
1 Water-Quality Records
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> Rating Information
This station managed by the NY Water Science Center Ithaca.

Available Parameters Available Period
2009-10-01  2021-09-16
1986-10-01  2021-09-16
2007-10-01  2021-09-16
2021-05-20  2021-09-16
2021-05-19  2021-09-16


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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: 57.5 09-16-2021   20:15 EST
Graph of  Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Sep 16 based on 40 water years of record more
Most Recent
Value Sep 16
Median 75th
Mean Max
33.5 50 57.5 63 75 81 497

Gage height, feet

Most recent instantaneous value: 2.82 09-16-2021   20:15 EST
Graph of

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