LOCATION.--Lat 41°57'56", long 74°17'35" referenced to North American Datum of 1983, Ulster County, NY, Hydrologic Unit 02020006, on right bank 250 ft downstream from confluence with Maltby Hollow Brook, 300 ft downstream from County Highway 42 bridge over Maltby Hollow Brook, at West Shokan.
DRAINAGE AREA.--17 mi².
PERIOD OF RECORD.--August 2000 to current year.
GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 683.03 ft above NGVD of 1929 and 682.34 ft above NAVD of 1988. Prior to Aug. 20, 2009, at site 100 ft upstream at datum 4.00 ft higher. Aug. 20, 2009 to Sept. 30, 2011, at present site at datum 2.00 ft higher.
REMARKS.--Water Years 2014-23: Records fair except those for estimated daily discharges, which are poor.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 6,240 ft³/s, Aug. 28, 2011, gage height, 14.30 ft, present datum, from floodmark, from rating curve extended above 2,400 ft³/s, on basis of slope-area measurements at gage heights 11.71 ft and 14.30 ft, present datum; minimum discharge, 2.1 ft³/s, Sept. 8, 9, 10, 12, 13, 2001; minimum gage height, 1.32 ft, Sept. 2, 17, 18, 2012.

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