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ALL DATA ARE EASTERN STANDARD TIME

USGS 01521000 ARKPORT RESERVOIR NEAR ARKPORT NY

PROVISIONAL DATA SUBJECT TO REVISION

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The 15-minute precipitation data for this station are temporaryand will only be displayed for 120 days. Although the instrumentation is calibrated at least once/year, the temporary classification means that documented routine inspections and other quality assurance measures are not performed that would make the data acceptable for archival, retrieval, or future use in general scientific or interpretive studies.

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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.
PERIOD OF RECORD.--January 1951 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.
REVISED RECORDS.--WSP 1552: 1951-57. WRD NY 1974: 1973.
GAGE.--Water-stage recorder. Datum of gage is NGVD of 1929. Subtract 0.43 ft for NAVD of 1988.
REMARKS.--Reservoir is formed by earthfill dam with concrete spillway, completed by Corps of Engineers in 1940 for flood control; first used for flood regulation on Mar. 31, 1940. Initial usable capacity, 7,936 acre-ft between elevations 1,218.0 ft (sill of conduit) and 1,304.0 ft (crest of spillway). No dead storage. Figures given herein represent usable contents. The flood control works consist of a pressure conduit and a side-channel spillway and are not provided with gates. Water is stored during high flows and released gradually. Reservoir contents unknown since 1992 as a result of periodic dredging. Minimum recordable elevation, 1227.40 ft.
EXTREMES FOR PERIOD OF RECORD.--Maximum contents, 7,944 ac-ft, June 23, 1972, elevation 1,304.04; minimum contents not determined.

Peak Flow and Stage Information

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This station managed by the NY Water Science Center Ithaca.

Available Parameters Available Period
All 2 Available Parameters for this site
  
00045 Precipitation 2017-05-23  2017-09-20
62614 Elevation, lake/res, 2011-10-01  2017-09-20

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Summary of all available data for this site
Instantaneous-data availability statement


Precipitation, total, inches

Most recent instantaneous value: 0.00 09-20-2017   17:00 EST
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Lake or reservoir water surface elevation above NGVD 1929, feet

Most recent instantaneous value: 1227.53 09-20-2017   17:00 EST
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