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Water-Year Summary for Site 08405500

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
  • For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
  • For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
  • For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
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Available Parameters
00060 Discharge(Mean)  

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

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USGS Water-Year Summary 2020
LOCATION - Lat 32°13'44.72", long 104°09'06.67" referenced to North American Datum of 1983, Eddy County, NM, Hydrologic Unit 13060011, on right bank 0.6 mi upstream from Black River diversion dam, 4.8 mi west of Malaga, and 7.1 mi upstream from mouth. Mouth at Pecos River mile 436.3.
DRAINAGE AREA - 371 mi².
REVISIONS HISTORY - WSP 1632: 1948, 1949-50(P). Drainage area revised to a more accurate value on Aug. 21, 2020.
PERIOD OF RECORD - March to December 1940, December 1946 to current year.
GAGE - Water-stage recorder with satellite telemetry, crest-stage gage and concrete control. Elevation of gage is 3,070 ft above NGVD of 1929, from topographic map. March to December 1940, water-stage recorder and Cippoletti weir at site 0.3 mi downstream at different datum.
REMARKS - Water years 2014-2015; records good except for estimated discharges, which are poor. Water years 2016-2019; records good except for estimated discharges, which are fair. Water year 2020; records fair except for estimated discharges, which are poor. Diversions and ground-water withdrawals for irrigation of about 1,000 acres, 1959 determination, upstream from station.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of Sept. 20 or 21, 1941, reached a stage of 19.0 ft, present site and datum, determined in 1947 from well-defined floodmarks, discharge, 33,000 ft³/s, from rating curve extended above 1,400 ft³/s on basis of slope-area measurements at gage heights 8.41 ft and 12.60 ft.