Mississippi River at Mel Price (Alton) Lock and Dam (ALNI2) Water Level & River Gauge | GaugeStage
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Mississippi River at Mel Price (Alton) Lock and Dam

Gauge Details

NameMississippi River at Mel Price (Alton) Lock and Dam
NWS SHEF IDALNI2
USGS ID05587541
CountyMadison, IL
Location38.8664, -90.1464
Flood Information
Action Stage19 ft
Flood Stage21 ft
Moderate Flood Stage29 ft
Major Flood Stage34 ft
Forecasts are issued routinely year-round.