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Water-Year Summary for Site 08401500

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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
00060 Discharge(Mean)  

Water year 2018: 2017-10-01 to 2018-09-30
 

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USGS Water-Year Summary 2018
08401500 PECOS RIVER BELOW BRANTLEY DAM NEAR CARLSBAD, NM
LOCATION - Lat 32°32'35.48", long 104°22'15.96" referenced to North American Datum of 1983, Eddy County, NM, Hydrologic Unit 13060011, on left bank 0.8 mi downstream from Brantley Dam, 3.2 mi downstream from South Seven Rivers, 4.7 mi southeast of Seven Rivers, 6.4 mi south of Lakewood, 11.0 mi northwest of Carlsbad, and at mile 477.8. 
DRAINAGE AREA - 17,650 mi². approximately (contributing area).
SURFACE-WATER RECORDS
PERIOD OF RECORD - January 1947 to September 1950, October 1971 to current year. Prior to October 1989, published as "below Major Johnson Springs." Prior to October 1988, operated as a low-flow station only. Records prior to October 1971 not equivalent due to spring inflow between sites.
GAGE - Water-stage recorder with satellite telemetry and crest-stage gage. Elevation of gage is 3,191.15 ft above NGVD of 1929 (Bureau of Reclamation reference point). Prior to Oct. 1971, at site 1.3 mi upstream at different datum. Oct. 1971 to June 4, 1985, at site 0.8 mi upstream at datum 7.29 ft higher. Prior to Oct. 1988, at site 0.2 mi downstream at same datum.
REMARKS - Water year 2014; records good except for estimated discharges, which are poor. Water years 2015-2017; records fair except for estimated discharges, which are poor. Water year 2018; records good except for estimated discharges, which are poor. Flow completely regulated by Brantley Lake (station 08401450), 0.8 mi upstream, since Aug. 1988. Diversions and ground-water withdrawals for irrigation of about 173,000 acres, 1959 determination, upstream from station.