NOTICE -- Water quality data
collection at this station became unfunded as of March 1, 2014.
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 or firstname.lastname@example.org..
This station is operated in cooperation
Albany Engineering Corporation
N.Y. State Department of
Lat 42°19'50", long 73°44'38"
referenced to North American Datum of 1983, Columbia County, NY,
Hydrologic Unit 02020006, on right bank just downstream from Rossman
Road bridge, 1.0 mi upstream from Claverack Creek, and 2.25 mi
downstream from Stuyvesant Falls, in Rossman.
PERIOD OF RECORD.--
March 1906 to June 1911, July 1911 to May
1914 (fragmentary, monthly discharge only for some periods, published
in WSP 1302), July 1928 to September 1968, annual maximum only--1984,
1988-2011, August 2011 to current year.
Water-stage recorder and crest-stage gage. Datum of gage
is 24.78 ft above NGVD of 1929. Prior to May 1914, at same site at
different datum, and 1928-1962 water years, at same site at datum 1.00
Records fair except those for estimated daily
discharges, which are poor. Diurnal fluctuation and considerable
regulation at low and medium flow caused by power plant above station.
Telephone gage-height telemeter at station.
EXTREMES FOR PERIOD OF RECORD.--
Maximum discharge, 29,800
/s, Dec. 31, 1948, gage height, 20.8 ft, present datum,
from floodmarks; minimum discharge not determined.
PERIOD OF RECORD1.--
SEDIMENT DATA: 2011-12 (e).
EXTREMES FOR PERIOD OF DAILY
SUSPENDED-SEDIMENT CONCENTRATION: Maximum
daily mean, 1,070 mg/L, Aug. 28, 2011; minimum daily mean, 2 mg/L on
many days during 2012 water year.
SUSPENDED-SEDIMENT DISCHARGE: Maximum daily, 27,900 tons, Aug. 29,
2011; minimum daily, 0.44 tons, July 4, Aug. 9, 2012.
1 Water-Quality Records
Derived from NY Annual Water-Data Report 2012
Peak Flow and Stage Information