Floodplain Boundary 10 Year: State of Iowa
2020. Iowa Department of Natural Resources. Supplementary products that were derived while mapping Flood Hazard Areas.
Floodplain Boundary 100 Year: State of Iowa
2020. Iowa Department of Natural Resources. Supplementary products that were derived while mapping Flood Hazard Areas.
Floodplain Boundary 2 Year: State of Iowa
2020. Iowa Department of Natural Resources. Supplementary products that were derived while mapping Flood Hazard Areas.
Floodplain Boundary 200 Year: State of Iowa
2020. Iowa Department of Natural Resources. Supplementary products that were derived while mapping Flood Hazard Areas.
Floodplain Boundary 25 Year: State of Iowa
2020. Iowa Department of Natural Resources. Supplementary products that were derived while mapping Flood Hazard Areas.
Floodplain Boundary 5 Year: State of Iowa
2020. Iowa Department of Natural Resources. Supplementary products that were derived while mapping Flood Hazard Areas.
Floodplain Boundary 50 Year: State of Iowa
2020. Iowa Department of Natural Resources. Supplementary products that were derived while mapping Flood Hazard Areas.
Floodplain Boundary 500 Year: State of Iowa
2020. Iowa Department of Natural Resources. Supplementary products that were derived while mapping Flood Hazard Areas.
2020. Iowa Department of Natural Resources. Flood Risk Products help community officials and the public view and understand their local flood risk. The Flood Risk Products that may be availab...
2020. Iowa Department of Natural Resources. This web mapping service is intended to provide information on Iowa's wetlands. In particular, data recorded in the National Wetland Inventory.
2020. Iowa Department of Natural Resources. This web mapping service is intended to provide information on Iowa's wetlands. In particular, data recorded in the National Wetland Inventory.
Stream Centerlines in the State of Iowa: State of Iowa
2020. Iowa Department of Natural Resources. Stream centerlines was derived from LiDAR and Aerial Photography.
Surface Water Intake - Public: Iowa
2020. Iowa Department of Natural Resources.
Surface Water Intake - Water Use: Iowa
2020. Iowa Department of Natural Resources.
2020. Iowa Department of Natural Resources.
2020. Iowa Department of Natural Resources.
Impaired Lakes of Iowa: State of Iowa, 2018
2018. Iowa Department of Natural Resources. This dataset represents the centroids of lakes, reservoirs, and wetlands that were listed as "impaired" in Iowa's 2018 Section 305(b) Water Quality...
Impaired Streams of Iowa: State of Iowa, 2018
2018. Iowa Department of Natural Resources. This dataset contains line work that representing streams and rivers listed as "impaired" in Iowa's 2018 Section 305(b) Water Quality Assessment an...
Iowa Department of Transportation.
511: Illinois (Line) Flooding: Iowa
Iowa Department of Transportation.
Alt2 Levee Floodplains dt: Iowa
Iowa Department of Transportation. Hosted service for alternative 2 with levee for CP 3 Missouri Valley U.S. 30 bypass.
Alt2 Levee Floodplains dt: Iowa
Iowa Department of Transportation. Hosted service with all alternatives and study area for CP 3 Missouri Valley U.S. 30 bypass.
Iowa Department of Transportation. Hosted service with all alternatives and study area for CP 3 Missouri Valley U.S. 30 bypass.
Iowa Department of Transportation. Hosted service for alternative 2 with levee for CP 3 Missouri Valley U.S. 30 bypass.
Alt2 NoLevee Floodplains dt: Iowa
Iowa Department of Transportation. Hosted service with all alternatives and study area for CP 3 Missouri Valley U.S. 30 bypass.
Alt2 NoLevee RiverStreams: Iowa
Iowa Department of Transportation. Hosted service with all alternatives and study area for CP 3 Missouri Valley U.S. 30 bypass.
Iowa Department of Transportation. This is the map file with all alignments and resources.
Iowa Department of Transportation. This is the map file with all alignments and resources.
Alt6 Levee Floodplains dt: Iowa
Iowa Department of Transportation. Hosted service with all alternatives and study area for CP 3 Missouri Valley U.S. 30 bypass.
Alt6 Levee Floodplains dt: Iowa
Iowa Department of Transportation. Hosted service for alternative 6 for CP 3 Missouri Valley U.S. 30 bypass.
Iowa Department of Transportation. Hosted service with all alternatives and study area for CP 3 Missouri Valley U.S. 30 bypass.
Iowa Department of Transportation. Hosted service for alternative 6 for CP 3 Missouri Valley U.S. 30 bypass.
Alt6 NoLevee Floodplains dt: Iowa
Iowa Department of Transportation. Hosted service with all alternatives and study area for CP 3 Missouri Valley U.S. 30 bypass.
Alt6 NoLevee RiverStreams: Iowa
Iowa Department of Transportation. Hosted service with all alternatives and study area for CP 3 Missouri Valley U.S. 30 bypass.
Iowa Department of Transportation.
Iowa Department of Transportation.
2017. Iowa Department of Natural Resources. Designated Wetlands This zip file contains a shapefile of the designated wetlands and their setback requirements.
Digital Flood Insurance Rate Map (DFIRM) Status: Iowa
2017. State of Iowa.
2017. Iowa Department of Natural Resources. Drainage Districts in Iowa This zip file contains a file geodatabase of drainage districts and their infrastructure.
2018. Each zip file contains raster data for a specific HUC 08.
Flood Info Requests by ZipCode: Iowa
Iowa Department of Transportation.
2018. Iowa Department of Natural Resources. Structures, projects, or sites which were issued a Floodplain Development Permit by the Iowa DNR.
2019. Iowa Department of Natural Resources.
This is not a Regulatory dataset. See the National Flood Hazard Layer for Official Boundaries.The Floodplain Mapping/Redelineation study deliverab...
Floodplain Locations: Iowa, United States
Iowa Department of Transportation. Flood zones exported from FEMA's site (msc.fema.gov). This dataset is not complete.
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...
GreenAlt Floodplain Dissolve: Iowa
Iowa Department of Transportation.
Iowa Department of Transportation.
2018. Iowa Department of Natural Resources. Well Water Quality In Iowa This zip file contains a File Geodatabase.
2020. lakes, ponds, major streams and minor streams.
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...
Impaired Lakes Web Service: Iowa
A web service of the current impaired lakes in Iowa.
Impaired Streams Web Service: Iowa
Web service of impaired streams in Iowa.
2016. Iowa Department of Natural Resources. Impaired Waters of Iowa This zip file contains shapefiles for the stream and lake segments.
2003-2005. US Army Corps of Engineers, St. Paul District Office. Land cover classification of the Mississippi River (River Mile 866 - 615), Minnesota River (River Mile 0-25), and the St. Croix River (River Mile 0...
2017. Iowa Department of Natural Resources. Major Water Sources in Iowa This zipfile contains two shapefiles, one for lakes, and one for rivers.
Iowa Department of Transportation.
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 ...
National Rivers Inventory: Iowa, United States
Iowa Department of Transportation. The Nationwide Rivers Inventory (NRI) is a listing of more than 3,400 free-flowing river segments in the United States that are believed to possess...
National Wetland Inventory: Iowa
2017. Iowa Department of Natural Resources. National Wetlands Inventory of Iowa.
2017. Iowa Department of Natural Resources. Outstanding Iowa Waters This zip file contains a shapefile of Outstanding Iowa Waters.
Potential Flood Scour Areas: Iowa
2018. Using a newly developed method that takes advantage of one-dimensional HEC-RAS hydraulic data, scour potential data were created for the 100 year (...
2018. Iowa Department of Natural Resources. Point locations of wells entered into the Iowa DNR Private Well Tracking System. Includes private well permits, well test registration, abandoned ...
2017. Iowa Department of Natural Resources. Streams Protected from Channel Changes in Iowa This zip file contains a shapefile of Protected Streams.
2017. Iowa Department of Natural Resources. Iowa Protected Water Area This zip file contains a shapefile of Protected Water Areas.
Public Flood Images - Strategic Communications: Iowa
Iowa Department of Transportation. This is a subset of the flood images that is curated by Strategic Communications and is used in public applications highlighting recovery.
Public Water Supply Surface Water Intakes: Iowa
2018. Iowa Department of Natural Resources. Surface water intakes (and infiltration galleries) at facilities with operating permits for Public Water Supplies (systems that serve 25 or more pe...
Iowa Department of Transportation.
Iowa Department of Transportation.
Iowa Department of Transportation.
2019. State of Iowa.
Source Water Web Service: Iowa
This web service provides access to the data used in the Source Water Mapper application.
Sovereign Meantered Rivers: Iowa
2017. Iowa Department of Natural Resources. Sovereign Meandered Rivers of Iowa This zip file contains a shapefile of the listed Sovereign Meandered Rivers of Iowa.
2017. Iowa Department of Natural Resources. Stream Centerlines in Iowa File Geodatabase.
Iowa Department of Transportation. This service is available to all ArcGIS Online users with organizational accounts. For more information on this service, including the terms of use...
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...
Study Area Floodplains dt: Iowa
Iowa Department of Transportation. Hosted service with study area for CP 3 Missouri Valley U.S. 30 bypass.
Study Area Floodplains dt: Iowa
Iowa Department of Transportation. Hosted service with all alternatives and study area for CP 3 Missouri Valley U.S. 30 bypass.
Study Area Floodplains dt: Iowa
Iowa Department of Transportation. This is the map file with all alignments and resources.
Iowa Department of Transportation. Hosted service with all alternatives and study area for CP 3 Missouri Valley U.S. 30 bypass.
Iowa Department of Transportation. Hosted service with study area for CP 3 Missouri Valley U.S. 30 bypass.
Iowa Department of Transportation. This is the map file with all alignments and resources.
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.
Surface Water Classification Proposed Changes (Batch 4): Iowa
2018. This zip file contains a shapefile of the proposed changes to Surface Water Classifications.
2017. Iowa Department of Natural Resources. Trout Streams of Iowa Zip file contains a shapefile.
Water Treatment Plant Facilities: Iowa
2018. Iowa Department of Natural Resources. Water treatment plants at facilities with operating permits for Public Water Supplies (systems that serve 25 or more people) for drinking water. Th...
Water Use Surface Water Intakes: Iowa
2018. Iowa Department of Natural Resources. Surface water intakes (including from reservoirs or streams) under Water Use permits. A water use permit is required of any person or entity that w...
2018. Iowa Department of Natural Resources. Wells under Water Use permits. A water use permit is required of any person or entity that withdraws or diverts at least 25,000 gallons of water in...
Wing Dam/Dike - River Channel Structure: St. Paul District
1874-1968. US Army Corps of Engineers, Fountain City Service Base -. GIS database of the wing dam/closing dam attributes for those structures constructed along the nine-foot navigation channel of the Mississippi Rive...
