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Water-Year Summary for Site 08384000

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Available Parameters
00054 Reservoir storage(Obs.)  

Water year 2020: 2020-10-01 to 2021-09-30
 

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USGS Water-Year Summary 2020
08384000 LAKE SUMNER NEAR FORT SUMNER, NM
LOCATION - Lat 34°36'30", long 104°23'06" referenced to North American Datum of 1983, De Baca County, NM, Hydrologic Unit 13060001, near center of dam on Pecos River, 5.0 mi northeast of Guadalupe, 12.2 mi northwest of Fort Sumner, and at mile 702.0.
DRAINAGE AREA - 4,390 mi². (approximately)
REVISIONS HISTORY - WSP 1732: 1939-54 (contents). WSP 1923: 1939-53(M).
SURFACE-WATER RECORDS
PERIOD OF RECORD - December 1938 to September 1965 (monthend elevations and storage), October 1965 to January 2017 (daily observations of storage), October 2017 to current year (elevation). Monthend elevations September 1937 to November 1938 published in reports of Pecos River Commission. Elevations and storage May 27, 1937, to June 10, 1937, in WSP 842. Prior to October 1974, published as "Alamogordo Reservoir."
GAGE - Water-stage recorder with satellite telemetry. Elevation of gage is NGVD of 1929 (levels by Bureau of Reclamation). April 1, 1946, to September 30, 1957, water-stage recorder above elevation 4,234.25 ft, nonrecording gage below. October 1, 1988, to current year, water-stage recorder above elevation 4,238.00 ft, nonrecording gage below.
COOPERATION - Storage records were provided by Bureau of Reclamation.
REMARKS - Lake is formed by earthfill dam; completed and storage began in Aug. 1937. Capacity, 128,657 acre-ft, from capacity table dated Nov. 2001 (NAVD of 1988) between elevation 4,201.89 ft and elevation 4,283.89 ft, top of flood pool, sill of outlet gate, and elevation 4,275.0 ft, normal operating level. Capacity by original survey was 132,200 acre-ft. Dead storage 2,500 acre-ft. Reservoir is used to store water for irrigation.