Little Wood River Reservoir, ID

As of 2026-09-30, Little Wood River Reservoir sits at 5180.66 ft, which is below average for this time of year. Over the past 30 days the level has fallen 11.49 ft.

The most recent reading at Little Wood River Reservoir is 5180.66 ft (2026-09-30), sourced from the U.S. Bureau of Reclamation. Readings on this page refresh automatically as the agency publishes new data.

The highest level for Little Wood River Reservoir in our records is 5237.00 ft on 2023-07-01. The lowest is 5162.06 ft on 2025-09-30. Our record covers about 4 years of readings.

Compared with every September in our records, the current level is higher than 39% of them, which we classify as below average for this time of year. Seasonal comparison matters more than the raw number, because most reservoirs draw down predictably through late summer and refill over winter and spring.

Reservoir levels move for four main reasons: rainfall and runoff into the basin, releases through the dam for downstream water supply, power generation or flood control, evaporation during hot months, and seasonal drawdown schedules set by the operating agency. Little Wood River Reservoir has fallen 11.49 ft over the past 30 days. For the operational reason on any given week, check the U.S. Bureau of Reclamation directly.

Little Wood River Reservoir is +18.60 ft compared with this date last year (5180.66 ft today). The full-history chart above covers 4 years, with a record high of 5237.00 ft and a record low of 5162.06 ft.