Shadehill Reservoir Water Level
South Dakota · updated daily from the U.S. Bureau of Reclamation
2266.53 ft
Shadehill Reservoir is below average for this time of year and steady (-0.07 ft in the last 7 days).
Change since yesterday: +0.03 ft
Reading as of 2026-08-14 · higher than 34% of August readings on record
Where Shadehill Reservoir sits historically
Today's level compared with every reading in our 5.5-year record for this lake.
Since yesterday
+0.03 ft
7-day change
-0.07 ft
30-day change
-0.81 ft
1-year change
-1.82 ft
Last 30 days
Last 12 months
Full history (5.5 years)
Shadehill Reservoir records and averages
| Current level | 2266.53 ft |
|---|---|
| Record high | 2271.87 ft (2023-07-26) |
| Record low | 2260.4 ft (2022-02-22) |
| Average of all readings | 2266.19 ft |
| Data span | 5.5 years (2,000 readings) |
Frequently asked questions
Is Shadehill Reservoir full right now?
As of 2026-08-14, Shadehill Reservoir sits at 2266.53 ft, which is below average for this time of year.Over the past 30 days the level has fallen 0.81 ft.
What is the water level at Shadehill Reservoir today?
The most recent reading is 2266.53 ft (2026-08-14), sourced from the U.S. Bureau of Reclamation. Readings on this page refresh automatically as the agency publishes new data.
What is the highest Shadehill Reservoir has ever been?
The highest level in our records is 2271.87 ft on 2023-07-26. The lowest is 2260.4 ft on 2022-02-22. Our record covers about 5.5 years of readings.
Is Shadehill Reservoir low for this time of year?
Compared with every August in our records, the current level is higher than 34% of them — 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.
Why is Shadehill Reservoir changing right now?
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 0.81 ft over the past 30 days. For the operational reason on any given week, check the U.S. Bureau of Reclamation directly.
How much has Shadehill Reservoir changed over the past year?
The level is -1.82 ft compared with this date last year (2266.53 ft today). The full-history chart above covers 5.5 years, with a record high of 2271.87 ft and a record low of 2260.4 ft.
Nearby lakes in South Dakota
Source: the U.S. Bureau of Reclamation. Readings are provisional and subject to revision by the publishing agency. All South Dakota lake levels.