LOCATION.--Lat 41°17'15.4", long
73°45'13.1" referenced to North American Datum of
1983, Westchester County, NY, Hydrologic Unit 02030101, on
right bank 20 ft upstream from bridge on State Highway 35
(Amawalk Road), 500 ft downstream from dam on Amawalk
Reservoir, and 1.0 mi east of Amawalk.
DRAINAGE AREA.--19.7 mi².
PERIOD OF RECORD.--Occasional low-flow and/or
miscellaneous discharge measurements, water year 1976. March
1994 to current year.
GAGE.--Water-stage recorder and crest-stage gage. Datum
of gage is 313.93 ft above NAVD of 1988.
REMARKS.--Flow regulated by Amawalk Reservoir. Water
Years 2014-23: Records fair.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 1,440
ft³/s, Apr. 17, 2007, gage height, 12.64 ft; minimum discharge
not determined.