Iowa Lake Levels Today
3 lakes and reservoirs ยท updated Sep 21, 2026
Lake Levels Today tracks 3 lakes and reservoirs in Iowa. Of the 3 with a published full pool, 3 are at or above it and 0 are well below it. The highest relative to full pool is Lake Red Rock (+5.17 ft) and the lowest is Saylorville Lake (+1.18 ft). Over the last 24 hours 2 rose and 0 fell by more than a twentieth of a foot; the rest held steady.
Every figure is the operating agency's own gauge reading, republished once a day. Open a lake for its staff gauge, a one-year chart, pool elevations and the source link. Elevations are in feet above the agency's vertical datum, so compare lakes by their distance from full pool, not by raw elevation.
| Lake | Elevation (ft) | From full | 24h |
|---|---|---|---|
| Lake Red Rock | 747.17 | +5.17 ft | +0.79 ft |
| Saylorville Lake | 837.18 | +1.18 ft | +0.22 ft |
| Rathbun Reservoir | 905.81 | +1.81 ft | +0.02 ft |
Iowa lake level questions
Which Iowa lake is lowest right now?
Saylorville Lake, at 837.18 ft, +1.18 ft from its full pool of 836.00 ft.
How many Iowa lakes are full?
3 of the 3 Iowa lakes with a published full pool are within half a foot of it or above, and 0 are more than halfway down the conservation pool.
How often are Iowa lake levels updated here?
Once a day. The readings on this page were pulled Sep 21, 2026; each lake page shows the exact timestamp of its gauge reading.