Funding for this site is provided by:
42°22'53", long 76°23'40" referenced to North
American Datum of 1983, Tompkins County, NY, Hydrologic Unit 04140201,
on left bank 1,000 ft upstream from bridge on Valley Road in
Brooktondale and 6.5 mi southeast of Ithaca.
PERIOD OF RECORD.--
November 2002 to current year.
Water-stage recorder. Datum of gage is 909.90 ft above
NAVD of 1988.
Water Years 2014-19: Records fair except those for
estimated daily discharges, which are poor.
EXTREMES FOR PERIOD OF RECORD.--
Maximum discharge, 4,470 ft³/s,
Sept. 8, 2011, gage height, 5.38 ft, from rating curve extended above
1,500 ft³/s on basis of slope-area measurement at gage height 4.16 ft;
minimum discharge, 2.4 ft³/s, July 24, 25, 2016; minimum gage height,
0.31 ft, July 29, 2016.
PERIOD OF DAILY RECORD1.--
CONCENTRATION: Water years 2003 to current year. SUSPENDED-SEDIMENT
DISCHARGE: Water years 2003 to current year.
Automatic water sampler since
Periodic water-quality samples were
collected by personnel from the City of Ithaca Department of Public
Works (Water and Sewer Division) and Tompkins County Soil and Water
Conservation District. Samples are analyzed by personnel from the City
of Ithaca Department of Public Works (Water and Sewer Division).
EXTREMES FOR PERIOD OF RECORD1.--
CONCENTRATION: Maximum daily mean, 5,230 mg/L, May 16, 2014; minimum
daily mean, less than or equal to 1 mg/L on many days in 2003-15.
SUSPENDED-SEDIMENT DISCHARGE: Maximum daily, 15,200 tons, June 27,
2006; minimum daily, 0.01 tons on many days in 2005-12, Oct. 1, 2013,
Nov. 2-5, 2014.
1 Water-Quality Records
Peak Flow and Stage Information