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Water-Year Summary for Site 094196783

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Available Parameters
00045 Precipitation(Sum)  
00060 Discharge(Mean)  

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

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USGS Water-Year Summary 2019
094196783 Las Vegas Wash Below Flamingo Wash Confluence Near Las Vegas, NV
LOCATION - Lat 36°08'23", long 115°02'49" referenced to North American Datum of 1927, in SE 1/4 NE 1/4 sec.09, T.21 S., R.62 E., Clark County, NV, Hydrologic Unit 15010015, about 300 ft downstream from Flamingo Wash Confluence, 0.2 mi north of Vegas Valley Drive, and 0.3 mi south of Sahara Ave.
DRAINAGE AREA - 1,369 mi². revised.
SURFACE-WATER RECORDS
PERIOD OF RECORD - Oct. 1996 to current year.
GAGE - Water-stage recorder. Elevation of gage is 1,710 ft above National Geodetic Vertical Datum of 1929, from topographic map.
REMARKS - 10/01/2013-11/20/2013: Records fair except estimated daily discharges and discharges greater than 2,000 ft³/s, which are poor. 11/20/2013-07/01/2015: Data unavailable due to construction in channel. Gage was re-activated July 1.  07/01/2015-09/30/2015: Records fair except estimated daily discharges and discharges greater than 2,000 ft³/s, which are poor. 10/01/2015-09/30/2016: Records poor.  10/01/2016-09/30/2017: Records and estimated discharges poor except for discharges greater than 55 ft³/s, which are fair.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 11,300 ft³/s, Sep 11, 2012, gage height, 29.83 ft; minimum daily, 4.0 ft³/s, Mar 3, 2005.
CLIMATOLOGICAL RECORDS
PERIOD OF RECORD - Recording tipping bucket from Oct. 2001 to Nov. 2005, Sep. 2015 to current year.
EXTREMES FOR PERIOD OF RECORD - Maximum daily precipitation, 1.07 inches, Dec. 29, 2004.
WATER-QUALITY RECORDS
PERIOD OF RECORD - Apr. 1993 to Aug. 2004
PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: Jan. 2002 to Aug. 2004, discontinued. WATER TEMPERATURE: Jan. 2002 to Aug. 2004, discontinued.
INSTRUMENTATION - Water-quality monitor Jan. 2002 to Aug. 2004, hourly, discontinued.
REMARKS - In Apr. 1993, station was incorporated into the National Water-Quality Assessment Program (NAWQA) with goals to describe the status and trends of water-quality conditions for a large, diverse, and geographically distributed part of the Nation's ground- and surface-water resources. In Jan. 1997 an automatic sampler was re-installed and used to collect water-quality data as part of the National Pollution Discharge Elimination System (NPDES) monitoring network. Quality-assurance samples are defined in the introductory text section titled "Water Quality-Control Data." Surrogate constituent values (parameters 90640, 99958, 99959, 99994, and 99995) are recovery percentages for the indicated compounds. These compounds are added to the sample to determine the relative recovery of other organic compounds that are detected using the same analytical method.
EXTREMES FOR PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: Maximum recorded, 9,510 microsiemens, cm at 25°C, May 14, 2002; minimum recorded, 803 microsiemens, cm at 25°C, Apr. 3, 2004. WATER TEMPERATURE: Maximum recorded, 36.0°C Jul. 12, 2002; minimum recorded, 4.0°C, Jan. 31, 2002.