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 October 8, 2026, the reservoirs we track across Nevada that report live levels hold roughly 9,966 hm³ of water — about 26.8% of their combined capacity. Taken together, Nevada's reservoirs are low.

Across the region, 4 are low. Walker Lake is the fullest at 81.2%, while Lahontan Reservoir is the lowest at 22.2%.

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 October 8, 2026. Each reservoir below links to its own page with full history and seasonal context.

Nevada at a glance

Reservoirs tracked: 7
Average fill: 26.8%
Water stored: 9,966 hm³
Combined capacity: 37,160 hm³
Fullest: Walker Lake (81.2%)
Lowest: Lahontan Reservoir (22.2%)
Last updated: October 8, 2026

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