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East Fork La Moine River in Illinois

River45.0 mi
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Around here

Around East Fork La Moine River

5 mi

Data Source: Recreation.gov · Public land: USGS PAD-US

About this river

East Fork La Moine River is a 45.0 mile river. Streamflow is measured at the USGS gauge LA Moine River at Colmar, IL (site 05584500). The National Hydrography Dataset places it at stream order 5. Reach geometry comes from the USGS National Hydrography Dataset.

Typical flow by month

1945 to 2026

East Fork La Moine River typically runs highest in April, at a median 408 cfs, and lowest in September, at 23 cfs. The highest flow on record for any single day is 35,600 cfs, in 1985.

Show the numbers
Typical flow by month at LA Moine River at Colmar, IL, in cfs
MonthTypical (cfs)Usual range (cfs)
January10035 to 269
February17359 to 419
March304152 to 700
April408183 to 879
May365171 to 752
June25699 to 693
July9741 to 260
August4017 to 115
September238.8 to 76
October289.8 to 136
November4817 to 215
December7723 to 237

Typical is the median of each month’s daily median values, and the usual range runs from the median 25th to the median 75th percentile, across about 82 years of record. Statistics published by the US Geological Survey for LA Moine River at Colmar, IL (site 05584500). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.

Boat access nearby

2 mapped launches sit in the mapped area of East Fork La Moine River, all of them public access. Ramp data comes from the USGS national boat-ramp inventory.

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