LOCATION.--Lat 41°29'58.7", long 74°33'08.0" referenced to North American Datum of 1983, Orange County, NY, Hydrologic Unit 02040104, on right bank 0.1 mi downstream from Bashakill Marsh, 80 ft upstream from Pine Kill, 0.3 mi east of Westbrookville, and 2.1 mi northwest of Otisville.
DRAINAGE AREA.--47.2 mi².  
PERIOD OF RECORD.--July 2020 to current year.
GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 493.40 ft above NAVD of 1988.
REMARKS.--Water Year 2020: Records good except those for estimated daily discharges, which are poor.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 436 ft³/s, Aug. 4, 2020, gage height, 6.69 ft; minimum discharge, 1.1 ft³/s, Oct. 26, 27, 2020, gage height, 4.86 ft.
PERIOD OF DAILY RECORD¹.--WATER TEMPERATURE: September 2020 to current year. SPECIFIC CONDUCTANCE: September 2020 to current year.
INSTRUMENTATION¹.--A continuous water-quality monitor with water temperature and specific conductance provides 15-minute-interval readings.
EXTREMES FOR PERIOD OF DAILY RECORD¹.--WATER TEMPERATURE: Maximum, 25.2 °C, May 23, 2021; minimum, 0.0°C, on several days during the winter period. SPECIFIC CONDUCTANCE: Maximum, 271 uS/cm at 25 °C, Feb. 21, 2021; minimum, 36 uS/cm at 25 °C, Nov. 30, Dec. 25, 2020.
¹ Water-Quality Records

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