State · United States · USGS · BOR · USACE · CDEC
Nevada
27.2% average fill
Measured
7
Volume stored
10,122 hm³
Measured capacity
37,160 hm³
Low level
3
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Reservoirs
Sorted by capacityLake Mead
lowUpdated 2026-09-09
Walker Lake
Updated 2026-09-10
Lahontan Reservoir
lowUpdated 2026-09-10
Wild Horse Reservoir
lowUpdated 2026-09-10
Topaz Lake
Updated 2026-09-10
Marlette Lake
Updated 2026-09-10
Weber Reservoir
Updated 2026-09-10
Storage from official US gauges (USGS, USACE, Bureau of Reclamation, CDEC). Fill % uses design capacity from the National Inventory of Dams where available; a few sites without a match fall back to the 5-year maximum.
About reservoirs in Nevada
As of September 10, 2026, the reservoirs we track across Nevada that report live levels hold roughly 10,122 hm³ of water — about 27.2% of their combined capacity. Taken together, Nevada's reservoirs are low.
Across the region, 3 are low. Walker Lake is the fullest at 82.1%, while Lake Mead is the lowest at 24.4%.
Over the most recent week on record, 2 reservoirs fell across Nevada.
Storage figures for Nevada come from USGS · USACE · BOR · CDEC; the most recent reading is from September 10, 2026. Each reservoir below links to its own page with full history and seasonal context.
Nevada at a glance
- Reservoirs tracked
- 7
- Average fill
- 27.2%
- Water stored
- 10,122 hm³
- Combined capacity
- 37,160 hm³
- Fullest
- Walker Lake (82.1%)
- Lowest
- Lake Mead (24.4%)
- Last updated
- September 10, 2026