Lv Wash below Lake Las Vegas near Boulder City, NV

USGS Site No: 09419800 • Lv Wash • Clark County, NV

Lv Wash below Lake Las Vegas near Boulder City, NV on the Lv Wash is currently at 375 cfs (Very High — 95th percentile for this date) . Gage height: 4.93 ft.

Reading from

↑ Upstream on Lv Wash
Lv Wash above Three Kids Wash below Henderson, NV
375
CFS Discharge
4.93
Gage Height (ft)
Very High
Flow Condition
N/A
Flood Status

Historical Percentile Comparison

Today's discharge compared to the long-term record for October 28 at this station. Percentile rank shows what fraction of historical years had lower flow on this date.

Percentile Label CFS Threshold Today's Flow
10th Very Low threshold 69
25th Low threshold 91
50th (Median) Normal (median) 282
75th High threshold 308
95th Very High threshold 365

30-Day Hydrograph

Recent discharge plotted against the historical 10th–95th percentile envelope for the same calendar days. Source: USGS daily values + long-term statistics.

388 194 0 cfs Apr 5 May 28
10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date Discharge (CFS) Gage Ht (ft)
May 28, 2026 319 —
May 27, 2026 324 —
May 26, 2026 327 —
May 25, 2026 334 —
May 24, 2026 329 —
May 23, 2026 331 —
May 22, 2026 329 —
May 21, 2026 321 —
May 20, 2026 321 —
May 19, 2026 324 —
May 18, 2026 329 —
May 17, 2026 335 —
May 16, 2026 335 —
May 15, 2026 333 —
Apr 20, 2026 349 —
Apr 19, 2026 347 —
Apr 18, 2026 344 —
Apr 17, 2026 330 —
Apr 16, 2026 334 —
Apr 15, 2026 332 —
Apr 14, 2026 332 —
Apr 13, 2026 328 —
Apr 12, 2026 332 —
Apr 11, 2026 347 —
Apr 10, 2026 344 —
Apr 9, 2026 348 —
Apr 8, 2026 342 —
Apr 7, 2026 355 —
Apr 6, 2026 351 —
Apr 5, 2026 359 —

Station Information

USGS Site No
09419800
State
NV
County
Clark County
Coordinates
36.1222, -114.9050
Drainage Area
2,193 mi²
Datum (ft)
1,249.5
HUC Code
15010015
View on USGS NWIS →

Recent Extremes

Max discharge
1,110 cfs
May 6, 2025
Min discharge
287 cfs
Jul 23, 2025

Computed from the local daily-values archive.

Nearby Gauges

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