How high is the Colorado Rv below Hoover Dam, AZ-NV right now?

The Colorado Rv below Hoover Dam, AZ-NV is currently flowing at 0 cubic feet per second with a gage height of 44.68 feet, based on the most recent USGS instantaneous reading.

Is the Colorado Rv below Hoover Dam, AZ-NV at flood stage?

Yes — the gage height is currently 26.68 feet above the NWS flood-stage threshold of 18.0 feet.

What is the historical median flow for the Colorado Rv below Hoover Dam, AZ-NV on October 28?

The long-term median discharge for this date is 10,100 cfs based on USGS daily statistics. The 10th–95th percentile range historically is 4,730 to 20,900 cfs.

Where is the Colorado Rv below Hoover Dam, AZ-NV stream gauge located?

The Colorado Rv below Hoover Dam, AZ-NV stream gauge is operated by the USGS in Clark County, NV on the Colorado River. USGS site number 09421500 (coordinates 36.0153, -114.7386).

Colorado Rv below Hoover Dam, AZ-NV

USGS Site No: 09421500 • Colorado River • Clark County, NV

Colorado Rv below Hoover Dam, AZ-NV on the Colorado River is currently at 0 cfs (Unknown) . Gage height: 44.68 ft. This station is at or above flood stage.

Reading from 4 months ago

CFS Discharge

44.68

Gage Height (ft)

Unknown

Flow Condition

FLOOD

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
10th	Very Low threshold	4,730
25th	Low threshold	7,780
50th (Median)	Normal (median)	10,100
75th	High threshold	14,100
95th	Very High threshold	20,900

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.

10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date	Discharge (CFS)	Gage Ht (ft)
May 28, 2026	—	47.20
May 27, 2026	—	48.00
May 26, 2026	—	47.40
May 25, 2026	—	47.00
May 24, 2026	—	46.19
May 23, 2026	—	46.53
May 22, 2026	—	47.12
May 21, 2026	—	47.46
May 20, 2026	—	47.44
May 19, 2026	—	47.45
May 18, 2026	—	46.58
May 17, 2026	—	48.57
May 16, 2026	—	48.02
May 15, 2026	—	48.46
Apr 20, 2026	—	47.50
Apr 19, 2026	—	47.37
Apr 18, 2026	—	47.20
Apr 17, 2026	—	47.17
Apr 16, 2026	—	47.21
Apr 15, 2026	—	46.99
Apr 14, 2026	—	46.38
Apr 13, 2026	—	46.47
Apr 12, 2026	—	46.42
Apr 11, 2026	—	46.82
Apr 10, 2026	—	47.60
Apr 9, 2026	—	47.53
Apr 8, 2026	—	47.42
Apr 7, 2026	—	47.57
Apr 6, 2026	—	49.02
Apr 5, 2026	—	48.11

Station Information

USGS Site No: 09421500
State: NV
County: Clark County
Coordinates: 36.0153, -114.7386
Drainage Area: 171,700 mi²
Datum (ft): 675.5
HUC Code: 15030101

View on USGS NWIS →

Flood Stage Thresholds

Action Stage: 11.7 ft
Flood Stage: 18.0 ft
Moderate Flood: 22.5 ft
Major Flood: 28.8 ft

Currently 26.68 ft above flood stage.

Recent Extremes

Max discharge: 20,500 cfs

May 8, 2025
Min discharge: 1,280 cfs

Nov 27, 2025
Days at flood stage: 379

Computed from the local daily-values archive.

Nearby Gauges

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C-1 Channel near Warm Spgs Road at Henderson, NV
12.5 mi · 0 cfs

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Lv Wash above Three Kids Wash below Henderson, NV
12.9 mi · 339 cfs

Very High
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13.3 mi · 343 cfs

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