› Rivers & Lakes › Iowa
Creek IA MN

Twelvemile Creek

Iowa • 41.0667, -94.2667
Length
39 mi
63 km
Elevation
1,316′ → 977′
339 ft drop
Stream Order
5
Medium River
Slope
0.16%
8.6 ft/mi
Drainage
519 mi²
1,343 km²
Avg Flow
29 cfs
1.0 mph velocity
Path to Mouth
1,382 mi
2,224 km to ocean
Classification
Headwater
Source Stream
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. More
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Access Sites on Twelvemile Creek

There are 12 boat ramps, launches, and public access points on Twelvemile Creek.