Current level
602.86ft
−3.14 ft vs full pool
Status unavailable
Vs full pool

The latest available reading shows Mark Twain Lake is currently 3.1 feet below full pool, with a water-surface elevation of 602.9 feet.
602.86 ft · Updated 3 days ago · U.S. Army Corps of Engineers
Current level
602.86ft
−3.14 ft vs full pool
Status unavailable
Vs full pool
Since last reading
Previous readingSep 20602.86 ft
7-day change
7-day trend: Rising
8 daily readings in the last 7 days
30-day change
30 daily readings in the last 30 days
Elevation (ft) NGVD29 · MSL
Reference line is designed full pool.
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Mark Twain Lake is currently 602.86 ft, 3.14 ft below its full pool. The lake has risen 0.14 ft over the past 7 days and fallen 1.25 ft over the past 30 days.
Reference elevations, recent daily readings, data sources, and answers to common questions.
3.14 ft below full pool
| Date | Level | Change |
|---|---|---|
| Sep 21, 2026 | 602.86 | 0 |
| Sep 20, 2026 | 602.86 | -0.02 |
| Sep 19, 2026 | 602.88 | -0.08 |
| Sep 18, 2026 | 602.96 | +0.05 |
| Sep 17, 2026 | 602.91 | +0.21 |
| Sep 16, 2026 | 602.7 | +0.04 |
| Sep 15, 2026 | 602.66 | -0.06 |
| Sep 14, 2026 | 602.72 | +0.03 |
| Sep 13, 2026 | 602.69 | -0.04 |
| Sep 12, 2026 | 602.73 | -0.03 |
| Sep 11, 2026 | 602.76 | +0.01 |
| Sep 10, 2026 | 602.75 | 0 |
| Sep 9, 2026 | 602.75 | -0.01 |
| Sep 8, 2026 | 602.76 | -0.17 |
The current water level at Mark Twain Lake is 602.86 ft (updated 3 days 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 rising — rising about 0.14 ft over the past week. See the history chart above for the full picture.
Based on the latest gauge reading, Mark Twain Lake is currently 3.14 ft below full pool.
Definitions for pool targets, datums, and how elevation readings are labeled.
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