Loading...
Current elevation, recent changes, full/dead pool comparison, and a 30‑day trend.
3528.70 ft
Lake or reservoir water surface elevation above NAVD 1988, ft (ft)
Source: USGS (instant values)
Pool comparison
Below full pool
171.3 ft
Above dead pool
158.7 ft
Marker: Minimum power pool (3490 ft)
Change (24h)
+0.00 ft
Change (7d)
-1.10 ft
Change (30d)
-1.90 ft
30‑day range
3528.40–3530.70 ft
Common reference levels
These are widely-cited operational reference points; local impacts (ramps, beaches, debris) can vary.
X-axis: date (UTC). Y-axis: elevation (ft). One point per day (last observation).