Lat 43°07'40.9", long
77°31'37.2" referenced to North American Datum of
1983, Monroe County, NY, Hydrologic Unit 04140101, on left
bank 430 ft upstream from Linden Avenue bridge,
near Rochester, and about 2.0 mi upstream from Irondequoit
PERIOD OF RECORD.--
November 1959 to current year.
WDR NY-74-1: 1972 (M), 1973 (P). WDR
NY-76-1: 1960-63, 1964-67 (M), 1968-71 (P), 1972-74.
Water-stage recorder and crest-stage gage. Datum
of gage is 375.67 ft above NAVD of 1988. Prior to October 2018,
water-stage recorder and concrete control at site 0.7 mi
downstream at datum 52.75 ft lower.
Occasional discharge measurements were
provided by the Monroe County Department of Environmental
Services from 2003 to 2015. Prior to 2003, discharge
measurements were provided by the Monroe County Environmental
Health Laboratory at Rochester, N.Y.
Unpublished water-quality records for prior years are
available in files of Monroe County Department of Health.
Discharge includes undetermined diversion (maximum 20 ft³/s)
from Erie (Barge) Canal upstream from station.
EXTREMES FOR PERIOD OF RECORD.--
Water Years 2014-15: Records fair except those for estimated
daily discharges, which are poor.
Water Years 2016-18: Records poor.
Water Year 2019: Records good except those for estimated daily
discharges, which are poor.
Maximum discharge, 3,280
ft³/s, May 17, 1974, gage height, 7.42 ft, site and datum then
in use, from rating curve extended above 1,600 ft³/s on basis
of contracted-opening measurement of peak flow and
step-backwater analysis; minimum daily discharge, 1.7 ft³/s,
Jan. 24, 1963; minimum instantaneous discharge not
PERIOD OF DAILY RECORD1.--
November 1994 to current year.
Water temperature recorder
since November 1994 provides 15-minute-interval readings.
EXTREMES FOR PERIOD OF DAILY RECORD1.--
TEMPERATURES: Maximum, 27.0°C, July 5, 2018; minimum, -0.3°C,
March 6, 2015.
1 Water-Quality Records