USGS Water-Year Summary 2024
01362487 BEAVER KILL AT MOUNT TREMPER, NY
LOCATION - Lat 42°02'48", long 74°16'38" referenced to North American Datum of 1927, Ulster County, NY, Hydrologic Unit 02020006, at bridge on County Highway 40, about 500 ft upstream from Esopus Creek, at Mount Tremper.
DRAINAGE AREA - 25 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - Miscellaneous measurements--1954, 2010. October 2010 to current year.
GAGE - Water-stage recorder. Elevation of gage is 700 ft above NAVD of 1988, from topographic map.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 12,600 ft³/s, Aug. 28, 2011, gage height, 15.15 ft, but may have been higher during period of missing data on that day; minimum discharge undetermined.
WATER-QUALITY RECORDS
PERIOD OF RECORD - November 2010 to current year.
PERIOD OF DAILY RECORD - TURBIDITY: DTS12 - November 2010 to September 2011, October 2012 to current year. Analite - August 2022 to current year.
SUSPENDED-SEDIMENT CONCENTRATION: November 2010 to September 2011, October 2012 to current year.
SUSPENDED-SEDIMENT DISCHARGE: October 2012 to current year.
COOPERATION - In cooperation with the New York City Department of Environmental Protection.
INSTRUMENTATION - An optical turbidity sensor provides readings at 15-minute intervals since November 2010.
EXTREMES FOR PERIOD OF DAILY RECORD - TURBIDITY: DTS12 - Maximum, 1,980 FNU, Feb. 25, 2016; minimum, <0.2 FNU, on many days. Analite - Maximum, 1,380 FNU, Aug. 30, 2023; minimum, <0.2FNU, on several days. [<, actual value is known to be less than the value shown]
SUSPENDED-SEDIMENT CONCENTRATION: Maximum daily mean, 1,630 mg/L, Aug. 28, 2011; minimum daily mean, <1 mg/L, on many days in 2011, 2013-14.
SUSPENDED-SEDIMENT DISCHARGE: Maximum daily, 1,270 tons, Oct. 19, 2012; minimum daily, <0.01 tons, on many days in 2013-14.