Funding for this site is provided by:
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.
PERIOD OF RECORD.--
Miscellaneous measurements--1954, 2010.
October 2010 to current year.
Water-stage recorder. Elevation of gage is 700 ft above
NAVD of 1988, from topographic map.
Water Years 2014-19: Records poor.
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
PERIOD OF DAILY RECORD1.--
CONCENTRATION: November 2010 to September 2011, October 2012 to current
SUSPENDED-SEDIMENT DISCHARGE: October 2012 to current year.
Turbidity data are collected every 15
minutes using an in-situ turbidity probe located in a 2-inch diameter
galvanized steel pipe extending 10 ft from the left bank. Daily
suspended-sediment load and concentration are derived from a regression
equation relating turbidity to suspended-sediment concentration.
EXTREMES FOR PERIOD OF DAILY
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.
1 Water-Quality Records
Peak Flow and Stage Information