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USGS Water-Year Summary 2024
09419000 Muddy River Near Glendale, NV
LOCATION - Lat 36°38'35", long 114°32'20" referenced to North American Datum of 1927, in NE 1/4 SW 1/4 sec.07, T.15 S., R.67 E., Clark County, NV, Hydrologic Unit 15010012, on left bank, at the Narrows, 150 ft downstream from Weiser Wash, 2 mi southeast of Glendale, 2.4 mi downstream from Meadow Valley Wash, 4.5 mi northwest of Logandale, and 16 mi upstream from Lake Mead.
DRAINAGE AREA - 7,044 mi² of which 3,091 mi² probably is noncontributing.
REVISIONS HISTORY - WSP 1243: 1906 (M). WSP 1733: Drainage area. Drainage area was revised on Mar. 26, 2021. Original drainage area was 6,780 mi² of which 3,780 mi² probably was noncontributing.
SURFACE-WATER RECORDS
PERIOD OF RECORD - Jan. 1904 to Dec. 1906 (gage heights only) and Apr. to Oct. 1910 (published as "near Moapa"), Jul. 1913 to Feb. 1914 (published as "near Logan"), February 1950 to Sep. 1983, and Oct. 1984 to current year.
GAGE - Datum of gage is 1463.76 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 26, 2020 and tied to RM1. Prior to February 26, 2020, the gage datum was 1460 ft above NGVD of 1929 as determined via topographic map by USGS on February 8, 1950. Jan. 1, 1904 to Dec. 31, 1906, non-recording gage just upstream at different datum. Apr. 22, 1910, to Feb. 21, 1914, non-recording gage and rating flume at lower end of the Narrows, 1.2 mi downstream at different datum.
REMARKS - Many diversions upstream of gage. Records fair except for estimated discharges, which are poor.
EXTREMES OUTSIDE PERIOD OF RECORD - Maximum stage known, 30 ft, Mar. 26, 1906 (datum then in use), discharge not determined.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 17,300 ft³/s, Sep. 8, 2014; gage height, 27.06 ft; maximum gage height, 27.10 ft, Aug. 10, 1981; minimum daily, 15 ft³/s, Oct. 10, 1997.
