Funding for this site is provided by:
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 and 1,476.44 ft above NAVD of 1988
Water Years 2014-18: Records fair except those for
estimated daily discharges, which are poor.
EXTREMES FOR PERIOD OF RECORD.--
Maximum discharge, 487 ft³/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.
Peak Flow and Stage Information