River MO IL

Big River

Missouri • 38.8498, -86.8745
Length
145 mi
234 km
Elevation
1,297′ → 410′
887 ft drop
Stream Order
6
Large River
Slope
0.12%
6.1 ft/mi
Drainage
965 mi²
2,501 km²
Avg Flow
983 cfs
2.1 mph velocity
Path to Mouth
1,323 mi
2,129 km to ocean
Classification
Headwater
Source Stream
Elevation Profile
Water Quality

Data from EPA Water Quality Portal (USGS, EPA, state agencies).

Data from USGS & NOAA for informational purposes only. More

Water Level Gauges on Big River

There are 5 USGS water level monitoring stations on Big River providing real-time flow and stage data.

Access Sites on Big River

There are 6 boat ramps, launches, and public access points on Big River.