NOTICE (04/01/2015) -- This site was
discontinued on April 1, 2015. Although historic data will remain
accessible, no new data will be collected unless one or more new
funding partners are found. Users who are willing to contribute funding
to continue operation of this streamgage should contact Rob Breault or
Ward Freeman of the USGS New York Water Science Center at 518-285-5658
Lat 41°55'05.3", long 73°58'54.2"
referenced to North American Datum of 1983, Ulster County, NY,
Hydrologic Unit 02020007, on left bank at State Highway 9W bridge and
1.1 mi above mouth, at Rondout.
PERIOD OF RECORD.--
Miscellaneous measurements--2008, 2011. March
2011 to current year.
Water-stage recorder and acoustic velocity meter. Datum
of gage is 3.45 ft below NGVD of 1929.
Records good. Telephone gage-height and velocity
telemeter at station. Flow at this site is affected by astronomical
EXTREMES FOR PERIOD OF RECORD.--
Maximum discharge, 59,700
/s, Aug. 28, 2011, gage height, 11.86 ft; maximum gage
height, 13.42 ft, Oct. 30, 2012; minimum discharge not determined;
minimum gage height, 0.02 ft, Feb. 18, 2013.
PERIOD OF DAILY RECORD1.--
DISCHARGE: March 2011 to current year.
EXTREMES FOR PERIOD OF DAILY
SUSPENDED-SEDIMENT CONCENTRATION: Maximum
daily mean, 518 mg/L, Aug. 28, 2011; minimum daily mean, 3 mg/L, on
several days in 2012-13.
SUSPENDED-SEDIMENT DISCHARGE: Maximum daily, 70,700 tons, Aug. 28,
2011; minimum daily, -7.5 tons, July 21, 2013.
1 Water-Quality Records
Peak Flow and Stage Information