Lake Mead HUC8 15010005
A 7,494 km² sub-basin of the Lower Colorado region in AZ, 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
44
Stressed
Drought index
152
Moderate
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
100%
of 2 reporting
Median flow
58%
p8 of record
Water assets
1,369
160 springs · 112 wells
USGS gauges (3)
- SPENCER CREEK NEAR PEACH SPRINGS, AZ094042221 cfsp8 · much below normal
- ROGERS SPNG NR OVERTON BEACH, NV094195501 cfsp9 · much below normal
- VIRGIN RV BLW CONF OF MUDDY RV NR OVERTON, NV09419530292 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-21 | 152 | 0 | 2/2 | p8 |
| 2026-10-20 | 152 | 0 | 2/2 | p9 |
| 2026-10-19 | 152 | 0 | 2/2 | p9 |
| 2026-10-18 | 152 | 0 | 2/2 | p9 |
| 2026-10-17 | 152 | 0 | 2/2 | p8 |
| 2026-10-16 | 152 | 0 | 2/2 | p8 |
| 2026-10-15 | 214 | 14.3 | 2/2 | p9 |
| 2026-10-14 | 214 | 14.3 | 2/2 | p9 |
| 2026-10-13 | 214 | 14.3 | 2/2 | p9 |
| 2026-10-12 | 214 | 14.3 | 1/2 | p30 |
| 2026-10-11 | 214 | 14.3 | 2/2 | p9 |
| 2026-10-10 | 214 | 14.3 | 2/2 | p9 |
| 2026-10-09 | 214 | 14.3 | 2/2 | p9 |
| 2026-10-08 | 227 | 26.79 | 2/2 | p9 |
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