# Cottonwood Springs Reservoir water level today

Cottonwood Springs Reservoir was at 3,848.44 ft on October 10, 2026, 26.56 ft below its full pool of 3,875.0 ft. That is 10.61 ft below the typical level for October 10 — lower than in 9 of 10 past years. Over the past week the lake has been steady.

- Latest reading: 3,848.44 ft at 2026-10-10T15:00:00.000Z
- Full pool: 3,875.0 ft
- 7-day change: −0.13 ft
- 30-day change: −0.27 ft
- State: South Dakota
- Source: U.S. Army Corps of Engineers — https://water.usace.army.mil/

## Last 14 days

| Date | Level (ft) |
|---|---|
| 2026-10-10 | 3,848.45 |
| 2026-10-09 | 3,848.46 |
| 2026-10-08 | 3,848.48 |
| 2026-10-07 | 3,848.49 |
| 2026-10-06 | 3,848.51 |
| 2026-10-05 | 3,848.53 |
| 2026-10-04 | 3,848.55 |
| 2026-10-03 | 3,848.57 |
| 2026-10-02 | 3,848.58 |
| 2026-10-01 | 3,848.60 |
| 2026-09-30 | 3,848.62 |
| 2026-09-29 | 3,848.63 |
| 2026-09-28 | 3,848.65 |
| 2026-09-27 | 3,848.67 |

Page: https://lakelevel.app/cottonwood-springs-reservoir/ — please cite with a link.