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Water-Year Summary for Site 07223500

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Available Parameters
00054 Reservoir storage(Obs.)  

Water year 2020: 2019-10-01 to 2020-09-30

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USGS Water-Year Summary 2020
LOCATION - Lat 35°24'10.17", long 104°11'26.91" referenced to North American Datum of 1983, San Miguel County, NM, Hydrologic Unit 11080006, in Pablo Montoya Grant, stilling well within concrete portion of Conchas Dam on Canadian River, 24.0 mi north of Newkirk, and at mile 746.0.
DRAINAGE AREA - 7,409 mi² of which 433 mi² probably is noncontributing.
PERIOD OF RECORD - December 1938 to September 1965 (monthend storage), October 1965 to May 2017 (daily observations of storage), October 2017 to current year (gage height). Prior to October 1965, published as Conchas Reservoir near Conchas Dam.
GAGE - Water-stage recorder with satellite telemetry. Elevation of gage is NGVD of 1929.
COOPERATION - Storage records were provided by U.S. Army Corps of Engineers.
REMARKS - Lake is formed by dam consisting of concrete main section and earthfill wings, completed Sept. 15, 1939; storage began Dec. 29, 1938. Capacity, 315,700 acre-ft between elevations 4,060.0 ft and 4,201.0 ft, crest of 300-ft ungated service spillway. Inactive storage, 70,490 acre-ft, at elevation 4,155.0 ft. Lake usually not drawn below elevation, 4,157.35 ft, sill of irrigation outlet, capacity, 77,790 acre-ft, except for minor sluicing; at times irrigation water is pumped into Conchas Canal. Capacity of 198,800 acre-ft between elevations 4,201.0 ft, crest of 300-ft ungated service spillway, and 4,218.0 ft, crest of 3,000-ft ungated emergency spillway, acts as detention storage in the control of floods. Figures given herein represent total contents. Lake is used for irrigation, flood control, and recreation. Diversions upstream from station for irrigation of about 57,000 acres. Direct diversions through Conchas Dam to Bell Ranch Canal and Conchas Canal (stations 07223000, 07223300) irrigate about 36,000 acres near Tucumcari, and on Bell Ranch. U.S. Army Corps of Engineers satellite telemeter at station.