River MO IL

Meramec River

Missouri • 38.2518, -90.9824
Length
229 mi
369 km
Elevation
1,395′ → 376′
1,020 ft drop
Stream Order
7
Large River
Slope
0.08%
4.4 ft/mi
Drainage
3,958 mi²
10,252 km²
Avg Flow
3,804 cfs
2.2 mph velocity
Path to Mouth
1,370 mi
2,204 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 Meramec River

There are 8 USGS water level monitoring stations on Meramec River providing real-time flow and stage data.

Access Sites on Meramec River

There are 17 boat ramps, launches, and public access points on Meramec River.