LOCATION.--Lat 42°07'40.6", long
74°15'47.7" referenced to North American Datum of
1983, Greene County, NY, Hydrologic Unit 02020006, on right
bank at downstream side of bridge on Janssen Road in
Lanesville.
DRAINAGE AREA.--9.25 mi².
PERIOD OF RECORD.--November 2016 to current year.
REVISIONS HISTORY.--Discharge for the period of Oct. 29,
2017 to Oct. 30, 2017, July 24, 2018 to July 25, 2018, and Aug.
17, 2018 was revised on Dec. 5, 2019, based on changes to the
stage-discharge rating.
GAGE.--Water-stage recorder and crest-stage gage. Datum
of gage is 1,274.26 ft above NAVD of 1988.
REMARKS.--Water Years 2017-23: Records good except those
for estimated daily discharges, which are poor.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 1,700
ft³/s, Dec. 25, 2020, gage height, 7.88 ft, from rating curve
extended above 500 ft³/s, on basis of contracted-opening
measurement of peak flow; minimum discharge, 0.35 ft³/s, Aug.
4, 2022, gage height, 2.44 ft, result of construction.