This station is operated in cooperation
New York City Department of Environmental
Lat 42°08'32", long 74°15'54"
referenced to North American Datum of 1983, Greene County, NY,
Hydrologic Unit 02020006, on left bank downstream from bridge on
Diamond Notch Road, about 1.0 mi upstream from mouth, and about 1.0 mi
north of Lanesville.
PERIOD OF RECORD.--
Occasional miscellaneous discharge
measurements, water years 1985-86, 1988-94. October 1997 to current
Water-stage recorder and crest-stage gage. Datum of gage
is 1,477.03 ft above NGVD of 1929.
Records fair except those for estimated daily
discharges, which are poor. Satellite gage-height telemeter at
EXTREMES FOR PERIOD OF RECORD.--
Maximum discharge, 487
/s, Aug. 28, 2011, gage height, 5.89 ft, from rating
curve extended above 230 ft3
/s on basis of step-backwater
analysis; minimum, no flow Sept. 18, 19, 2001, as a result of temporary
drainage of gage pool by local fire department; minimum gage height,
0.55 ft, Sept. 18, 2001.
Derived from NY Annual Water-Data Report 2013
Peak Flow and Stage Information