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Las Vegas Wash HUC8 15010015

A 4,866 km² sub-basin of the Lower Colorado region in NV. Drought coverage is from the US Drought Monitor (map of 2026-10-13); streamflow classes place each USGS gauge's latest reading against its own day-of-year record.

Health score
58
Moderate
Drought index
200
Severe
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
25%
of 16 reporting
Median flow
114%
p75 of record
Water assets
2,230
145 springs · 1,886 wells

USGS gauges (16)

Recent conditions

DateDSCID2+ %Gauges lowFlow pct
2026-10-2020004/16p75
2026-10-1920003/16p77
2026-10-1820004/16p66
2026-10-1720003/16p59
2026-10-1620003/16p77
2026-10-1528685.83/16p76
2026-10-1428685.83/16p78
2026-10-1328685.82/16p89
2026-10-1228685.82/16p97
2026-10-1128685.83/16p77
2026-10-1028685.83/16p77
2026-10-0928685.83/16p77
2026-10-0828685.83/16p77
2026-10-0728685.83/16p77

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