USGS Water-Year Summary 2024

0423401815 SALMON CREEK NEAR LUDLOWVILLE, NY

LOCATION - Lat 42°33'09.4", long 76°32'01.8" referenced to North American Datum of 1983, Tompkins County, NY, Hydrologic Unit 04140201, on right bank, at cul-de-sac of Mill Street in Ludlowville, 0.1 mi downstream of Dug Street bridge, and 1.6 mi upstream of mouth.

DRAINAGE AREA - 87.7 mi².

REVISIONS HISTORY - 2009 (Date of peak). 2015 (M).

SURFACE-WATER RECORDS

PERIOD OF RECORD - July 2006 to September 2009, February 2013 to current year.

GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 418.00 ft above NAVD of 1988.

REMARKS - Water Years 2014-16: Records good except those for estimated daily discharges, which are fair. Water Years 2017-24: Records fair except those for estimated daily discharges and those below 1.0 ft³/s, which are poor.

EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 8,040 ft³/s, Aug. 19, 2021, gage height, 5.36 ft; maximum gage height, 6.26 ft, Feb. 17, 2022 (ice jam); minimum discharge, 0.27 ft³/s, Aug. 22, 2020, gage height, 0.05 ft.

WATER-QUALITY RECORDS

PERIOD OF DAILY RECORD - SUSPENDED-SEDIMENT CONCENTRATION: April 2007 to September 2009. SUSPENDED-SEDIMENT DISCHARGE: April 2007 to September 2009.

COOPERATION - Samples were analyzed by personnel from the City of Ithaca Department of Public Works (Water and Sewer Division).

EXTREMES FOR PERIOD OF DAILY RECORD - SEDIMENT CONCENTRATION: Maximum daily mean, 2,000 mg/L, Dec. 23, 2007; minimum daily mean, 1 mg/L on several days in 2008 and 2009. SEDIMENT LOAD: Maximum daily, 17,900 tons, Dec. 23, 2007; minimum daily 0.02 tons on several days in 2008.