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Water-Year Summary for Site 03228400

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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Available Parameters
62614 Elevation, lake/res, NGVD29(Mean)  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
03228400 HOOVER RESERVOIR AT CENTRAL COLLEGE OH
LOCATION - Lat 40°06'30", long 82°52'59" referenced to North American Datum of 1927, Franklin County, OH, Hydrologic Unit 05060001, in gate house of dam on Big Walnut Creek, 0.5 mi northeast of Central College, and 12 mi northeast of Columbus, Ohio.
DRAINAGE AREA - 190 mi².
REVISIONS HISTORY - WRD OH-78-1: 1975 (M).
SURFACE-WATER RECORDS
PERIOD OF RECORD - March 1955 to current year.
GAGE - Water-stage recorder. Datum of gage is sea level. Prior to Sept. 10, 1956, nonrecording gage at same site and datum.
REMARKS -

Reservoir formed by earthfill dam with concrete spillway; dam completed in 1954 and storage begun in March 1955. Usable capacity, 60,130 acre-ft between elevations 830.0 ft (lowest outlet) and 890.0 ft (crest of spillway). Additional flood-control storage above elevation 890.0 ft by bascule gates installed in May 1970, 25,750 acre-ft. Dead storage below elevation 830.0 ft, 214 acre-ft. Figures given herein represent usable contents. Reservoir is used for municipal supply of City of Columbus and for recreational purposes. Outflow is controlled mostly by operation of valves in tunnel through dam, but above spillway level bascule gates can be used. Capacity table computed from data furnished by City of Columbus.

Record quality ratings may not be included in the water-year summary for approved records newer than 09/30/2018.  Record quality is still being rating internally.  For questions about record quality ratings, please send an email to gs-w-oh_NWISWeb_Data_Inquiries@usgs.gov.  

EXTREMES FOR PERIOD OF RECORD - Maximum contents, 89,260 acre-ft, Jan. 6, 2005, elevation, 898.95 ft; minimum, 19,010 acre-ft Mar. 1, 1964, elevation, 868.58 ft.