Current level
399.61ft
−0.39 ft vs full pool
Normal
Vs full pool
Lake Hamilton Water Level
Lake Hamilton is currently at 399.61 ft, 0.39 ft below full pool. It rose 0.04 ft since the last reading and remains up 0.06 ft over the past seven days.
Lake Hamilton is 0.39 ft below full pool and has risen 0.06 ft over the past seven days.
399.61 ft · Updated 5 hours ago · U.S. Geological Survey
Since last reading
Up 0.04 ft
Previous readingJul 11399.59 ft
7-day change
Up 0.06 ft
7-day trend: Rising
8 daily readings in the last 7 days
30-day change
Down 0.02 ft
31 daily readings in the last 30 days
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Water Level History
Elevation (ft) MSL
Level breakdown & datum
- Full Pool
- 400 ft
- Current Level
- 399.61 ft
- Difference
- -0.39 ft
- DatumVertical reference for published pool and stage elevations at this lake (from the lake catalog).
- Not available
- Elevation reference
- MSL
- Source
- U.S. Geological Survey
Level thresholds
Published elevations from lake operators when provided by the data service.
- Flood stageNot available
- Full pool400 ft
- Winter poolNot available
Watershed drought
Garland County, AR
Moderate Drought
ImprovingModerate drought is affecting the watershed.
Severity
NoneExtreme
Official drought: 100% of watershed in official drought (D1+).
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Recommendation for Lake HamiltonDaily level summary
Jul 12, 2026
399.63 ft
+0.04 ft
Jul 11, 2026
399.59 ft
-0.01 ft
Jul 10, 2026
399.6 ft
+0.01 ft
Jul 9, 2026
399.59 ft
0 ft
Jul 8, 2026
399.59 ft
-0.05 ft
Jul 7, 2026
399.64 ft
+0.12 ft
Jul 6, 2026
399.52 ft
-0.05 ft
| Date | Level (ft) | Change (ft) |
|---|---|---|
| Jul 12, 2026 | 399.63 | +0.04 |
| Jul 11, 2026 | 399.59 | -0.01 |
| Jul 10, 2026 | 399.6 | +0.01 |
| Jul 9, 2026 | 399.59 | 0 |
| Jul 8, 2026 | 399.59 | -0.05 |
| Jul 7, 2026 | 399.64 | +0.12 |
| Jul 6, 2026 | 399.52 | -0.05 |
| Jul 5, 2026 | 399.57 | -0.03 |
| Jul 4, 2026 | 399.6 | +0.01 |
| Jul 3, 2026 | 399.59 | -0.03 |
| Jul 2, 2026 | 399.62 | +0.07 |
| Jul 1, 2026 | 399.55 | -0.09 |
| Jun 30, 2026 | 399.64 | +0.03 |
| Jun 29, 2026 | 399.61 | -0.03 |
Lake Hamilton water level — common questions
- What is the current water level at Lake Hamilton?
- The current water level at Lake Hamilton is 399.61 ft (updated 5 hours ago). See the live chart and daily history on this page for trends.
- How often is Lake Hamilton lake level data updated?
- Readings are refreshed when U.S. Geological Survey publishes new gauge data — typically daily for most reservoirs. The timestamp above the chart shows when the latest observation arrived on Lake Insights.
- What is full pool for Lake Hamilton?
- Full pool for Lake Hamilton is 400 ft — the normal conservation target when the reservoir is at its designed summer or operating pool.
- How far above or below full pool is Lake Hamilton?
- Lake Hamilton is currently −0.39 ft vs full pool relative to full pool on the latest gauge reading.
Lake level glossary
Definitions for pool targets, datums, and how elevation readings are labeled.