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6.
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Alt2 Levee Floodplains dt: Iowa iowa

Iowa Department of Transportation. Hosted service for alternative 2 with levee for CP 3 Missouri Valley U.S. 30 bypass.

7.
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Alt2 Levee Floodplains dt: Iowa iowa

Iowa Department of Transportation. Hosted service with all alternatives and study area for CP 3 Missouri Valley U.S. 30 bypass.

8.
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Alt2 Levee RiverStreams: Iowa iowa

Iowa Department of Transportation. Hosted service with all alternatives and study area for CP 3 Missouri Valley U.S. 30 bypass.

9.
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Alt2 Levee RiverStreams: Iowa iowa

Iowa Department of Transportation. Hosted service for alternative 2 with levee for CP 3 Missouri Valley U.S. 30 bypass.

10.
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Alt2 NoLevee Floodplains dt: Iowa iowa

Iowa Department of Transportation. Hosted service with all alternatives and study area for CP 3 Missouri Valley U.S. 30 bypass.

11.
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Alt2 NoLevee RiverStreams: Iowa iowa

Iowa Department of Transportation. Hosted service with all alternatives and study area for CP 3 Missouri Valley U.S. 30 bypass.

12.
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Alt5 Floodplains dt: Iowa iowa

Iowa Department of Transportation. This is the map file with all alignments and resources.

13.
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Alt5 streams dt: Iowa iowa

Iowa Department of Transportation. This is the map file with all alignments and resources.

14.
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Alt6 Levee Floodplains dt: Iowa iowa

Iowa Department of Transportation. Hosted service with all alternatives and study area for CP 3 Missouri Valley U.S. 30 bypass.

15.
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Alt6 Levee Floodplains dt: Iowa iowa

Iowa Department of Transportation. Hosted service for alternative 6 for CP 3 Missouri Valley U.S. 30 bypass.

16.
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Alt6 Levee RiverStreams: Iowa iowa

Iowa Department of Transportation. Hosted service with all alternatives and study area for CP 3 Missouri Valley U.S. 30 bypass.

17.
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Alt6 Levee RiverStreams: Iowa iowa

Iowa Department of Transportation. Hosted service for alternative 6 for CP 3 Missouri Valley U.S. 30 bypass.

18.
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Alt6 NoLevee Floodplains dt: Iowa iowa

Iowa Department of Transportation. Hosted service with all alternatives and study area for CP 3 Missouri Valley U.S. 30 bypass.

19.
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Alt6 NoLevee RiverStreams: Iowa iowa

Iowa Department of Transportation. Hosted service with all alternatives and study area for CP 3 Missouri Valley U.S. 30 bypass.

22.

Designated Wetlands: Iowa iowa

2017. Iowa Department of Natural Resources. Designated Wetlands This zip file contains a shapefile of the designated wetlands and their setback requirements.

24.

Drainage Districts Data: Iowa iowa

2017. Iowa Department of Natural Resources. Drainage Districts in Iowa This zip file contains a file geodatabase of drainage districts and their infrastructure.

25.
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Flood Depths: Iowa iowa

2018. Each zip file contains raster data for a specific HUC 08.

27.
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Flood Plain Permits: Iowa iowa

2018. Iowa Department of Natural Resources. Structures, projects, or sites which were issued a Floodplain Development Permit by the Iowa DNR.

29.

Flood Risk Boundaries: Iowa iowa

This is not a Regulatory dataset. See the National Flood Hazard Layer for Official Boundaries.The Floodplain Mapping/Redelineation study deliverab...

39.
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Floodplains: Iowa iowa

Iowa Department of Transportation. This map shows known or potential environmental resources within the I-80 PEL Study Area. Resources include streams, wetlands, convservation lands...

42.

Ground Water Quality: Iowa iowa

2018. Iowa Department of Natural Resources. Well Water Quality In Iowa This zip file contains a File Geodatabase.

44.
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IFIS Stream Sensors: Iowa iowa

Iowa Department of Transportation. Iowa Flood Information System (IFIS) sensor data from the Iowa Flood Center Stream Sensors. More information about them can be found at: http://iow...

47.

Impaired Waters: Iowa, 2016 iowa

2016. Iowa Department of Natural Resources. Impaired Waters of Iowa This zip file contains shapefiles for the stream and lake segments.

48.

Major Water Sources: Iowa iowa

2017. Iowa Department of Natural Resources. Major Water Sources in Iowa This zipfile contains two shapefiles, one for lakes, and one for rivers.

50.

National Flood Hazard Layer: Iowa iowa

2017. Iowa Department of Natural Resources. Flood Risk Areas This is the Regulatory dataset Produced by FEMA.The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate ...