USGS Water-Year Summary for Site 01499500

Click to hide Water-Year Summary instructions and information

Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
Not all sites have reports available for every water year.

	Available Parameters
	62614 Elevation, lake/res, NGVD29(Mean)

Select a water year

Water year 2023: 2022-10-01 to 2023-09-30

Print this page

USGS Water-Year Summary 2023

01499500 EAST SIDNEY LAKE AT EAST SIDNEY, NY

LOCATION - Lat 42°19'40", long 75°13'42" referenced to North American Datum of 1927, Delaware County, NY, Hydrologic Unit 02050101, at East Sidney Dam, on Ouleout Creek, 0.3 mi upstream from bridge on County Highway 44 at East Sidney, 4.4 mi upstream from mouth, and 4.5 mi east of Unadilla.

DRAINAGE AREA - 103 mi².

REVISIONS HISTORY - WSP 2103: Drainage area. WDR NY-80-3: Datum.

SURFACE-WATER RECORDS

PERIOD OF RECORD - November 1949 to September 1952 (month-end elevations and contents), October 1952 to September 1985 (daily mean elevations and month-end contents), October 2013 to current year (daily mean elevations). Month-end elevations and contents not published October 1985 to September 2013. Records for this period are available in the files of the U.S. Geological Survey. Prior to October 1970, published as "East Sidney Reservoir at East Sidney."

GAGE - Water-stage recorder. Datum of gage is NGVD of 1929. To convert elevations to NAVD of 1988, subtract 0.41 ft.

COOPERATION - Capacity table provided by Corps of Engineers, 2001.

REMARKS - Lake is formed by concrete dam and rockfill dike, completed by Corps of Engineers in June 1950; regulation of outflow began in November 1949; first used for flood regulation on Mar. 28, 1950. Usable capacity, 32,700 acre-ft between elevations 1,115.0 ft (sill of conduits) and 1,203.0 ft (crest of spillway). Dead storage 7 acre-ft. Figures given herein represent total contents. Discharge is controlled by the operation of five gates. Water is stored during high flows and released when downstream conditions warrant. Lake is used for flood control and recreation.

Capacity table (revised 2001) 
(elevation, in feet, and total contents, in acre-feet)

Elevation Contents         Elevation Contents        Elevation Contents
  1,110.0        0         1,150.0      2,841         1,185.0     16,955
  1,115.0        7         1,155.0      3,964         1,190.0     20,573
  1,120.0       52         1,160.0      5,310         1,195.0     24,753
  1,125.0      203         1,165.0      6,997         1,200.0     29,516
  1,130.0      443         1,170.0      8,932         1,205.0     34,965
  1,140.0    1,235         1,175.0     11,201         1,210.0     41,052
  1,145.0    1,917         1,180.0     13,826         1,213.0     45,022

EXTREMES FOR PERIOD OF RECORD - Maximum contents, 34,213 acre-ft, June 30, 2006, elevation, 1,204.35 ft; minimum contents, 56 acre-ft, Aug. 31, 1953, Sept. 7-26, Nov. 4, 1964, elevation, 1,115.0 ft.