LOCATION.--Lat 43°05'36.7", long
77°39'02.6" referenced to North American Datum of
1983, Monroe County, NY, Hydrologic Unit 04130003, on left bank
20 ft upstream of bridge on Brighton Henrietta Town Line Road
(County Highway 85) at Mortimer, 1.1 mi upstream from small
left-bank tributary, 2.0 mi upstream from mouth, and 3.7 mi
southwest of Brighton.
DRAINAGE AREA.--16.6 mi².
PERIOD OF RECORD.--April 2021 to current year.
GAGE.--Water-stage recorder and crest-stage gage. Datum
of gage is 507.30 ft above NAVD of 1988.
REMARKS.--Water Years 2021-23: Records fair except those
below 1.0 ft³/s, those above 75 ft³/s, and those for estimated
daily discharges, which are poor.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 466
ft³/s, July 18, 2021, gage height, 10.88 ft; minimum daily
discharge, 0.19 ft³/s, Aug. 15, 2022; minimum instantaneous
discharge not determined.