Iowa DNR
Iowa DNR
ADBNet
Water Quality Assessments
Impaired Waters List

Missouri River IA 06-WEM-1720

from confluence with Little Sioux R. (Harrison Co.) to confluence with Elm Cr. at river mile 691.0 at Decatur NE (=S18 T83N R46W Monona Co.).

Details
Type
River
Segment ID
1720
Segment Size
21.53 Miles
10230001
HUC12
  • 102300010407
Legacy ADBCode
IA 06-WEM-0040_1
Designated Uses
  • Class A1
  • Class BWW1
  • Class HH
Segment Memos 1
Prior to the 2008 IR cycle, this segment had Class A primary contact recreation and Class B(WW) warmwater aquatic life (including fish consumption) designated uses. Due to changes in Iowa’s surface water classification approved by U.S. EPA in 2008, this segment now has Class A1 primary contact recreation, Class BWW1 warmwater aquatic life, and Class HH (human health/fish consumption) designated uses.
6/17/2020
Map
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Water Monitoring Network
Fish Kills
Recreation and Water Quality
BioNet Biological Assessment Sites
AQuIA Monitoring Sites