Current level
138.12ft
−0.88 ft vs full pool
Normal
Vs full pool
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Grand Bayou Reservoir is currently at 138.12 ft, 0.88 ft below full pool. The current Grand Bayou Reservoir lake level fell 0.01 ft since the last reading and remains down 0.01 ft over the past seven days.
Grand Bayou Reservoir is 0.88 ft below full pool, and its current lake level has fallen 0.01 ft over the past seven days.
138.12 ft · Updated 2 hours ago · U.S. Geological Survey
Current level
138.12ft
−0.88 ft vs full pool
Normal
Vs full pool
Since last reading
Previous readingAug 8138.16 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 hot and sunny conditions. High temperatures and strong sun today make staying cool and protected on the water especially important.

High temperatures and strong sun today make staying cool and protected on the water especially important.
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Elevation (ft) NGVD29 · MSL
Published elevations from lake operators when provided by the data service.
Red River Parish County, LA
Abnormally Dry
StableMinor drought conditions are developing.
Severity
Official drought: Abnormally dry (D0), not official drought.
Aug 9, 2026
138.15 ft
-0.01 ft
Aug 8, 2026
138.16 ft
+0.07 ft
Aug 7, 2026
138.09 ft
-0.03 ft
Aug 6, 2026
138.12 ft
-0.01 ft
Aug 5, 2026
138.13 ft
0 ft
Aug 4, 2026
138.13 ft
-0.01 ft
Aug 3, 2026
138.14 ft
-0.02 ft
| Date | Level (ft) | Change (ft) |
|---|---|---|
| Aug 9, 2026 | 138.15 | -0.01 |
| Aug 8, 2026 | 138.16 | +0.07 |
| Aug 7, 2026 | 138.09 | -0.03 |
| Aug 6, 2026 | 138.12 | -0.01 |
| Aug 5, 2026 | 138.13 | 0 |
| Aug 4, 2026 | 138.13 | -0.01 |
| Aug 3, 2026 | 138.14 | -0.02 |
| Aug 2, 2026 | 138.16 | -0.02 |
| Aug 1, 2026 | 138.18 | -0.05 |
| Jul 31, 2026 | 138.23 | -0.03 |
| Jul 30, 2026 | 138.26 | -0.02 |
| Jul 29, 2026 | 138.28 | -0.03 |
| Jul 28, 2026 | 138.31 | -0.03 |
| Jul 27, 2026 | 138.34 | -0.01 |
The current water level at Grand Bayou Reservoir is 138.12 ft (updated 2 hours ago). You can track the Grand Bayou Reservoir lake level on the interactive chart and daily history above.
Full pool for Grand Bayou Reservoir is 139 ft — the normal conservation target elevation when the reservoir is at its designed summer or operating pool.
The current 7-day trend for the Grand Bayou Reservoir lake level is falling. See the history chart above for the full picture.
Based on the latest gauge reading, Grand Bayou Reservoir is currently 0.88 ft below full pool.
Definitions for pool targets, datums, and how elevation readings are labeled.
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