This station is operated in cooperation
New York City Department of Environmental
Lat 41°13'30.1", long 73°51'32.0"
referenced to North American Datum of 1983, Westchester County, NY,
Hydrologic Unit 02030101, on left bank 1,000 ft downstream from New
Croton Dam, and 1.8 mi northeast of Croton-On-Hudson.
PERIOD OF RECORD.--
July 1933 to current year. Prior to Oct. 1,
1941, published as "at Quaker Bridge," (low-flow records at
this site are not equivalent owing to well pumpage upstream).
Fragmentary records published during August 1933 to September 1941 for
"at Cornell Dam near Croton" and "at New Croton near
Croton" are equivalent. Oct. 1, 1941 to Sept. 30, 1955 published
as "at New Croton Dam near Croton".
Water-stage recorder, crest-stage gage, and concrete
control. Datum of gage is 44.10 ft above NGVD of 1929. Prior to Oct. 1,
1941, supplementary water-stage recorder and concrete control at site
1.1 mi downstream at Quaker Bridge.
Records good. Entire flow, except for periods of
spilling and releases to augment Croton-on-Hudson water supply,
diverted from New Croton Reservoir for municipal supply of City of New
York. Satellite gage-height telemeter at station.
EXTREMES FOR PERIOD OF RECORD.--
Maximum discharge, 45,400
/s, Oct. 16, 1955, gage height, 18.44 ft, from
floodmarks, from rating curve extended above 9,900 ft3
basis of slope-area measurements of peak flow; minimum discharge not
determined; minimum gage height, 0.11 ft, July 15, 1965.
Peak Flow and Stage Information