U.S. lake data, in one place
Know the water before you go.
Check lake level, water temperature, weather, alerts and recent trends for hundreds of popular lakes.
500 launch recordsUSGS water dataNWS weather
Example condition cardLake levelLive when availableFederal sensor data • source timestamp shown
Start here
Browse all 500 →Popular lake condition pages
#1
Lake Tahoe
California
Conditions & trends →
#2Lake Mead
Nevada
Conditions & trends →
#3Lake Powell
Arizona
Conditions & trends →
#4Lake Okeechobee
Florida
Conditions & trends →
#5Lake of the Ozarks
Missouri
Conditions & trends →
#6Lake Lanier
Georgia
Conditions & trends →
#7Lake Norman
North Carolina
Conditions & trends →
#8Lake Hartwell
South Carolina
Conditions & trends →
#9Lake Hartwell
Georgia
Conditions & trends →
#10Shasta Lake
California
Conditions & trends →
#11Lake Havasu
California
Conditions & trends →
#12Lake Murray
South Carolina
Conditions & trends →
Browse geographically
All states →Lake conditions by state
Built for useful answers
Real readings where a public sensor exists.
Lake Conditions Lab uses public hydrologic and weather sources instead of inventing values. If a lake does not currently expose a usable water-level or temperature sensor, the page says so.
Weather and alerts come from the National Weather Service. Water readings use modern USGS Water Data APIs when a matched monitoring station is available.
Read our methodology →