Current level
633.44ft
−0.56 ft vs full pool
Normal
Vs full pool
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Nickajack Lake is currently at 633.44 ft, 0.56 ft below full pool. The current Nickajack Lake lake level fell 0.42 ft since the last reading and remains down 0.71 ft over the past seven days.
Nickajack Lake is 0.56 ft below full pool, and its current lake level has fallen 0.71 ft over the past seven days.
633.44 ft · Updated 2 hours ago · NOAA / National Weather Service — Advanced Hydrologic Prediction Service
Current level
633.44ft
−0.56 ft vs full pool
Normal
Vs full pool
Since last reading
Previous readingAug 8633.56 ft
7-day change
7-day trend: Falling
8 daily readings in the last 7 days
30-day change
31 daily readings in the last 30 days
Selected for unsettled, stormy conditions. Storms are in the area today, so weather-ready and safety gear is especially worth having on hand before you head out.

Storms are in the area today, so weather-ready and safety gear is especially worth having on hand before you head out.
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Elevation (ft) MSL
Published elevations from lake operators when provided by the data service.
Marion County, TN
Abnormally Dry
StableMinor drought conditions are developing.
Severity
Official drought: Abnormally dry (D0), not official drought.
Aug 9, 2026
633.14 ft
-0.42 ft
Aug 8, 2026
633.56 ft
+0.21 ft
Aug 7, 2026
633.35 ft
0 ft
Aug 6, 2026
633.35 ft
+0.41 ft
Aug 5, 2026
632.94 ft
-0.15 ft
Aug 4, 2026
633.09 ft
0 ft
Aug 3, 2026
633.09 ft
-0.76 ft
| Date | Level (ft) | Change (ft) |
|---|---|---|
| Aug 9, 2026 | 633.14 | -0.42 |
| Aug 8, 2026 | 633.56 | +0.21 |
| Aug 7, 2026 | 633.35 | 0 |
| Aug 6, 2026 | 633.35 | +0.41 |
| Aug 5, 2026 | 632.94 | -0.15 |
| Aug 4, 2026 | 633.09 | 0 |
| Aug 3, 2026 | 633.09 | -0.76 |
| Aug 2, 2026 | 633.85 | +0.6 |
| Aug 1, 2026 | 633.25 | +0.03 |
| Jul 31, 2026 | 633.22 | +0.1 |
| Jul 30, 2026 | 633.12 | -0.33 |
| Jul 29, 2026 | 633.45 | -0.08 |
| Jul 28, 2026 | 633.53 | +0.21 |
| Jul 27, 2026 | 633.32 | -0.04 |
The current water level at Nickajack Lake is 633.44 ft (updated 2 hours ago). You can track the Nickajack Lake lake level on the interactive chart and daily history above.
Full pool for Nickajack Lake is 634 ft — the normal conservation target elevation when the reservoir is at its designed summer or operating pool.
The current 7-day trend for the Nickajack Lake lake level is falling — falling about 0.71 ft over the past week. See the history chart above for the full picture.
Based on the latest gauge reading, Nickajack Lake is currently 0.56 ft below full pool.
Definitions for pool targets, datums, and how elevation readings are labeled.
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