River IA

Drainage Ditch 198

Iowa • 42.3393, -94.7073
Hydrography profile Updated Dec 30, 2025
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USGS and NOAA data is for informational purposes. Source notes
Length
12 mi
19 km
Elevation
1,231′ → 1,147′
84 ft drop
Stream Order
2
Stream
Slope
0.14%
7.3 ft/mi
Drainage
13 mi²
34 km²
Avg Flow
-- cfs
0.6 mph velocity
Path to Mouth
2,766 mi
4,452 km to ocean
Classification
Tributary
Mid-reach
Elevation Profile
Water Quality

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

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Data from USGS & NOAA for informational purposes only. Read source and safety notes