This station is operated in cooperation
New York City Department of Environmental
Lat 41°20'17.3", long 73°46'07.3"
referenced to North American Datum of 1983, Westchester County, NY,
Hydrologic Unit 02030101, on left bank 30 ft upstream from bridge on
State Highway 6, and 0.7 mi southwest of Baldwin Place.
PERIOD OF RECORD.--
Occasional low-flow and/or miscellaneous
discharge measurements, water years 1954, 1976-77. October 1995 to
Water-stage recorder and crest-stage gage. Datum of gage
is 499.11 ft above NGVD of 1929.
Records good except those for estimated daily
discharges, which are poor. Occasional seasonal regulation by Kirk Lake
and Lake Mahopac. Satellite gage-height telemeter at station.
EXTREMES FOR PERIOD OF RECORD.--
Maximum discharge, 1,020
/s, Sept. 16, 1999, gage height, 9.42 ft, from rating
curve extended above 260 ft3
/s on basis of
contracted-opening measurement of peak flow; minimum discharge, 0.08
/s, Aug. 15, 2010, gage height, 3.53 ft.
Peak Flow and Stage Information