Current level
604.91ft
−1.09 ft vs full pool
Normal
Vs full pool
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Conditions that may affect safety or access. Always verify with official sources before heading out.
Lake-specific pages: Weather · Lake level.
Mark Twain Lake is currently at 604.91 ft, 1.09 ft below full pool. The current Mark Twain Lake lake level fell 0.05 ft since the last reading and remains down 0.01 ft over the past seven days.
Mark Twain Lake is 1.09 ft below full pool, and its current lake level has fallen 0.01 ft over the past seven days.
604.91 ft · Updated 3 hours ago · U.S. Army Corps of Engineers
Current level
604.91ft
−1.09 ft vs full pool
Normal
Vs full pool
Since last reading
Previous readingAug 8605.13 ft
7-day change
7-day trend: Falling
8 daily readings in the last 7 days
30-day change
30 daily readings in the last 30 days
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Elevation (ft) NGVD29 · MSL
Published elevations from lake operators when provided by the data service.
Ralls County, MO
No Drought
WorseningNo official drought conditions.
Severity
Official drought: Abnormally dry (D0), not official drought.
Aug 9, 2026
605.08 ft
-0.05 ft
Aug 8, 2026
605.13 ft
-0.01 ft
Aug 7, 2026
605.14 ft
+0.14 ft
Aug 6, 2026
605 ft
+0.19 ft
Aug 5, 2026
604.81 ft
-0.05 ft
Aug 4, 2026
604.86 ft
-0.12 ft
Aug 3, 2026
604.98 ft
-0.11 ft
| Date | Level (ft) | Change (ft) |
|---|---|---|
| Aug 9, 2026 | 605.08 | -0.05 |
| Aug 8, 2026 | 605.13 | -0.01 |
| Aug 7, 2026 | 605.14 | +0.14 |
| Aug 6, 2026 | 605 | +0.19 |
| Aug 5, 2026 | 604.81 | -0.05 |
| Aug 4, 2026 | 604.86 | -0.12 |
| Aug 3, 2026 | 604.98 | -0.11 |
| Aug 2, 2026 | 605.09 | +0.02 |
| Aug 1, 2026 | 605.07 | 0 |
| Jul 31, 2026 | 605.07 | +0.1 |
| Jul 30, 2026 | 604.97 | -0.06 |
| Jul 29, 2026 | 605.03 | -0.21 |
| Jul 28, 2026 | 605.24 | -0.31 |
| Jul 27, 2026 | 605.55 | -0.3 |
The current water level at Mark Twain Lake is 604.91 ft (updated 3 hours ago). You can track the Mark Twain Lake lake level on the interactive chart and daily history above.
Full pool for Mark Twain Lake is 606 ft — the normal conservation target elevation when the reservoir is at its designed summer or operating pool.
The current 7-day trend for the Mark Twain Lake lake level is falling. See the history chart above for the full picture.
Based on the latest gauge reading, Mark Twain Lake is currently 1.09 ft below full pool.
Definitions for pool targets, datums, and how elevation readings are labeled.
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