USGS Water-Year Summary 2024
09419745 C-1 Channel Above Mouth Near Henderson, NV
LOCATION - Lat 36°04'59.7", long 114°57'51.67" referenced to North American Datum of 1983, in NW 1/4 NE 1/4 sec.32, T.21 S., R.63 E., Clark County, NV, Hydrologic Unit 15010015, on left bank, 0.84 mi northwest of East Lake Mead Drive and 0.3 mi west of Galleria Drive.
DRAINAGE AREA - Indeterminate.
SURFACE-WATER RECORDS
PERIOD OF RECORD - Oct. 2006 to current year. From Oct. 2007 to Sep. 2009, daily values not published when instantaneous discharges are less than 4.0 ft³/s.
GAGE - Datum of gage is 1,518.84 ft above NAVD of 1988. The NAVD of 1988 datum was determined by a level 2 GNSS survey (Reference Frame NAD_83 (2011) (EPOCH:2010.0000), GEOID18) by USGS on February 10, 2020, and tied to RM6. Prior to February 10, 2020, the gage datum was 1,518.84 ft above NAVD of 1988 as determined via GNSS level 2 by USGS on March 21, 2006. Prior to June 16, 2017, at site 0.3 mile downstream at same datum.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 3,270 ft³/s, Aug. 13, 2015, gage height 6.24 ft; maximum gage height, 37.30 ft, Jul. 28, 2022; minimum daily discharge, 0.00 ft³/s, many days, most years.
CLIMATOLOGICAL RECORDS
PERIOD OF RECORD - Recording tipping bucket since Jan. 2006.
EXTREMES FOR PERIOD OF RECORD - Maximum daily precipitation, 2.88 in., Aug. 22, 2012.