LOCATION.--Lat 42°05'52.4", long
74°26'56.7" referenced to North American Datum of
1983, Ulster County, NY, Hydrologic Unit 02020006, on
right bank 10 ft west of County Highway 47 and 10 ft
downstream from bridge on Lost Clove Road, at Big Indian.
DRAINAGE AREA.--29.6 mi².
PERIOD OF RECORD.--October 2016 to current year.
GAGE.--Water-stage recorder and crest-stage gage. Datum
of gage is 1,225.27 ft above NAVD of 1988.
REMARKS.--Water Years 2017-22: Records fair except those
for estimated daily discharges, which are poor. Water Year
2023: Records poor.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 5,540
ft³/s, Dec. 25, 2020, gage height, 12.06 ft, from rating curve
extended above 1,100 ft³/s on basis of slope-area measurement
of peak flow; minimum discharge, 2.0 ft³/s, Oct. 16, 2016, gage
height, 2.69 ft; minimum gage height, 2.37 ft, Aug. 29, 30,
2022.