Lake levels today, from official gauges

Current elevation, distance from full pool and 7-day trend for 173 U.S. lakes and reservoirs. Data from USGS, the Army Corps of Engineers and the Bureau of Reclamation, updated every 3 hours.

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Lake levels by state

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Official gauges only

Every number comes from USGS, the U.S. Army Corps of Engineers or the Bureau of Reclamation, with its time and source.

Updated every 3 hours

Real-time gauges report every 15 minutes to 1 hour; western reservoirs report once a day.

Not an official site

For information only. Not for navigation or flood safety decisions.