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Water-Year Summary for Site 08317300

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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
00054 Reservoir storage(Obs.)  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
08317300 COCHITI LAKE NEAR COCHITI PUEBLO, NM
LOCATION - Lat 35°37'00.87", long 106°19'01.02" referenced to North American Datum of 1983, Sandoval County, NM, Hydrologic Unit 13020201, in Pueblo de Cochiti Grant, in control tower at Cochiti Dam, 1.7 mi northeast of Cochiti Pueblo, and at mile 1,588.1.
DRAINAGE AREA - 14,900 mi² of which 2,940 mi² probably is noncontributing. (from the closed basin in San Luis Valley, Colorado)
SURFACE-WATER RECORDS
PERIOD OF RECORD - November 1973 to September 2017 (daily observations of storage), October 2017 to current year (gage height).
GAGE - Water-stage recorder with satellite telemetry. Elevation of gage is 5,300 ft above NGVD of 1929 (levels by U.S. Army Corps of Engineers). Prior to Apr. 15, 1975, at site 1.3 mi upstream at same datum.
COOPERATION - Storage records were provided by U.S. Army Corps of Engineers.
REMARKS - Lake is formed by an earthfill dam on Rio Grande and Santa Fe River. Storage began on Nov. 12, 1973. Capacity, based on capacity table effective Jan. 1, 2013, 502,330 acre-ft between elevations 5,247.0 ft and 5,450.0 ft, crest of service spillway. Dead storage 560 acre-ft below elevation 5,255.0 ft, invert of outlet structure. Lake was created primarily for flood and sediment control. A 50,000-acre-ft permanent pool is authorized for recreational purposes. 
Reservoir Capacity Table
based on survey by U.S. Army Corps of Engineers in 1998
(Elevation in feet, capacity in acre-feet )
Elevation  Contents     Elevation  Contents     Elevation  Contents
5,338    40,873       5,340     42,886       5,360     75,435
5,339    41,862       5,350     56,037       5,370    100,481