USGS Water-Year Summary 2021
01521000 ARKPORT RESERVOIR NEAR ARKPORT NY
LOCATION - Lat 42°23'45", long 77°43'08" referenced to North American Datum of 1927, Steuben County, NY, Hydrologic Unit 02050104, 1,000 ft upstream from Arkport Dam, 1.3 mi west of Arkport, and 2.3 mi upstream from small tributary.
DRAINAGE AREA - 30.5 mi².
- WSP 1552: 1951-57. WRD NY 1974: 1973.
PERIOD OF RECORD - January 1951 to September 1968 (daily elevations at 2400 and month-end contents), October 1968 to September 1985 (daily mean elevations and month-end contents), October 1985 to May 1991 (month-end elevations and contents), October 2011 to current year (daily mean elevations). Month-end elevations and contents not published June 1991 to September 2011. Records for this period are available in the files of the U.S. Geological Survey.
GAGE - Water-stage recorder. Datum of gage is NGVD of 1929. To convert elevations to NAVD of 1988, subtract 0.43 ft.
EXTREMES FOR PERIOD OF RECORD - Maximum contents, 7,944 ac-ft, June 23, 1972, elevation 1,304.04; minimum contents not determined.