Big Ten Academic Alliance Geospatial Discovery Portal

Big Ten Academic Alliance Geoportal

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1.
Mixed

Drainage Districts Data: Iowa

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

2.
Flood Risk Boundaries: Iowa

Flood Risk Boundaries: Iowa

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

3.
Mixed

Ground Water Quality: Iowa

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

5.
Mixed

National Flood Hazard Layer: 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 ...

6.
Mixed

Potential Flood Scour Areas: Iowa

Using a newly developed method that takes advantage of one-dimensional HEC-RAS hydraulic data, scour potential data were created for the 100 year (...

7.
Mixed

Stream Centerlines: Iowa

2017. Iowa Department of Natural Resources. Stream Centerlines in Iowa File Geodatabase.

8.
Mixed

Surface Water Classification: Iowa

2017. Iowa Department of Natural Resources. Stream Use Assessment and Attainability This zip file contains a file geodatabase with streams segments and their classifications.