Shadehill Reservoir, SD

As of 2026-10-12, Shadehill Reservoir sits at 2265.37 ft, which is below average for this time of year. Over the past 30 days the level has fallen 0.47 ft.

The most recent reading at Shadehill Reservoir is 2265.37 ft (2026-10-12), sourced from the U.S. Bureau of Reclamation. Readings on this page refresh automatically as the agency publishes new data.

The highest level for Shadehill Reservoir in our records is 2271.87 ft on 2023-07-26. The lowest is 2260.40 ft on 2022-02-22. Our record covers about 5 years of readings.

Compared with every October in our records, the current level is higher than 38% 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. Shadehill Reservoir has fallen 0.47 ft over the past 30 days. For the operational reason on any given week, check the U.S. Bureau of Reclamation directly.

Shadehill Reservoir is -2.50 ft compared with this date last year (2265.37 ft today). The full-history chart above covers 5 years, with a record high of 2271.87 ft and a record low of 2260.40 ft.