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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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USGS Water-Year Summary 2024
08401450 BRANTLEY LAKE NEAR CARLSBAD, NM
LOCATION - Lat 32°32'48", long 104°22'43" referenced to North American Datum of 1983, Eddy County, NM, Hydrologic Unit 13060011, in control tower at Brantley Dam, 2.4 mi downstream from South Seven Rivers, 4.2 mi southeast of Seven Rivers, 6.0 mi south of Lakewood, 11.5 mi northwest of Carlsbad, and at mile 478.6.
DRAINAGE AREA - 17,650 mi². approximately (contributing area).
SURFACE-WATER RECORDS
PERIOD OF RECORD - August 1988 to October 2017 (daily observations of storage), September 2017 to current year (elevation).
GAGE - Water-stage recorder with satellite telemetry. Elevation of gage is 3,202.5 ft above NGVD of 1929 (levels by Bureau of Reclamation). Sept. 1, 2001, elevations referenced to the North American Vertical Datum of 1988 (NAVD). Elevation of gage as of Sept. 1, 2001, is 3,204.19 ft above NAVD 1988.
COOPERATION - Storage records were provided by Carlsbad Irrigation District.
REMARKS - Lake is formed by a concrete and earthfill dam on Pecos River. Storage began Aug. 31, 1988. Capacity, 348,540 acre-ft, from capacity table dated June 2001, between elevations 3,205.0 ft and 3,305.19 ft. Dead storage 2,010 acre-ft. Lake was created primarily for irrigation storage and flood control.
