100 Foot Contours - 500k: State of Iowa
2020. Iowa Department of Natural Resources. This map service depicts 2-foot contours, derived from the Iowa LiDAR dataset.
2020. Iowa Department of Transportation. The Iowa Highway Five Year Improvement Program.Iowa Highway Five Year Improvement Program with amendments. Created in June 2018.
2021. Iowa Department of Transportation. The Iowa Highway Five Year Improvement Program with amendments. Created in June 2018.
5 Year Program Structure: Iowa
2020. Iowa Department of Transportation. Iowa Highway Five Year Improvement Program with amendments for structures only. Created in June 2018.
5 Year Program Structure: Iowa
2021. Iowa Department of Transportation. Iowa Highway Five Year Improvement Program with amendments for structures only. Created in June 2018.
Iowa Department of Transportation.
511: Illinois (Line) Flooding: Iowa
Iowa Department of Transportation.
511 Traveler Information Events - Iowa Critical Closures: Iowa
Iowa Department of Transportation. Service built for TrackaPlow that contains optimized CARS511 services. - Priority 1 events (closures only).
511 Traveler Information Events - Nebraska: Iowa
2020. Iowa Department of Transportation. Current 511 Events for Nebraska. This layer is updated every 10 minutes. This layer is provided as a courtesy from Iowa DOT. Iowa DOT does not take...
Above Ground Storage Tank Facility: Iowa
2020. Iowa Department of Natural Resources.
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...
Active Digital Message Signs: Iowa
Iowa Department of Transportation. Iowa Department of Transportation's Intelligent Transportation System (ITS) Digital Message Signs (DMS) devices.
Actual Pending ROW: State of Iowa
2020. Iowa Department of Transportation. Right of Way parcels that are in the process of being purchased, but are not yet owned by the Iowa DOT.
Actual Possession ROW: State of Iowa
2020. Iowa Department of Transportation. Newly acquired Right of Ways owned by Iowa DOT.
Address Point: Linn County, Iowa
Linn County Iowa GIS. This feature layer contains Linn County address points. This information is maintained by the Real Estate department within the Auditor's Office. S...
Adopt-A-Highway Status - Adopted: State of Iowa
2019. Iowa Department of Transportation. This layer displays all of the currently adopted Iowa Highway segments as related to the Adopt-A-Highway program. These layers were developed for u...
Adopt-A-Highway Status: Adopted: Iowa
2020. Iowa Department of Transportation. This layer displays all of the currently adopted Iowa Highway segments as related to the Adopt-A-Highway program. These layers were developed for u...
Adopt-A-Highway Status: Adopted: State of Iowa
2020. Iowa Department of Transportation. This layer displays all of the currently adopted Iowa Highway segments as related to the Adopt-A-Highway program. These layers were developed for u...
Adopt-A-Highway Status (Adopted): State of Iowa
2020. Iowa Department of Transportation. This layer displays all of the currently adopted Iowa Highway segments as related to the Adopt-A-Highway program. These layers were developed for u...
Adopt-A-Highway Status: Never Adoptable: Iowa
2020. Iowa Department of Transportation. This layer represents the sections of highway which are never available for adoption within the Adopt-A-Highway program. This symbolization was dev...
Adopt-A-Highway Status: Never Adoptable: State of Iowa
2020. Iowa Department of Transportation. A visual representation of the currently adopted sections of highway in Iowa. Additionally, this map displays the sections of highway that are neve...
Adopt-A-Highway Status (Never Adoptable): State of Iowa
2020. Iowa Department of Transportation. This layer represents the sections of highway which are never available for adoption within the Adopt-A-Highway program. This symbolization was dev...
Adult Correctional Facilities: Iowa
2015. Legislative Services Agency. Iowa Adult Correctional Facilities.
Aerial Photo Counties: Iowa, 2016
2016. These county-wide datasets have been up-sampled to a one-meter-resolution raster, in jp2 format.
Aerial Photography Counties: Iowa, 1930s
1930. Iowa Department of Natural Resources. 1930s Aerial Photography of Iowa County dataset in a zipped file.
Aerial Photography Counties: Iowa, 1950s
1950. Iowa Department of Natural Resources. 1950s Aerial Photography of Iowa County dataset in a zipped file.
Aerial Photography Counties: Iowa, 1960s
1960. Iowa Department of Natural Resources. 1960s Aerial Photography of Iowa County Dataset in a zipped file.
Aerial Photography Counties: Iowa, 1970s
1970. Iowa Department of Natural Resources. 1970s Aerial Photography of Iowa Each zip file contains a county raster dataset.
Aerial Photography Dates File: Iowa, 1930s
1930. Iowa Department of Natural Resources. This file contains a shapefile of the centroids of individual scanned photos, and the associated date.
Aerial Photography Dates: Iowa, 1950s
1950. Iowa Department of Natural Resources. Zipped file Contains a dateset of the centroids, with dates, of the individual images used.
Aerial Photography Dates: Iowa, 1960s
1960. Iowa Department of Natural Resources. This dataset is centroids with dates of the individual images used.
Aerial Photography Dates: Iowa, 1970s
1970. Iowa Department of Natural Resources. This shapefile has centroids with dates of all images used in this dataset.
2015. Legislative Services Agency. Iowa Agricultural Districts.
Agricultural Drainage Wells: Iowa
2017. Iowa Department of Natural Resources. Agricultural Drainage Wells in Iowa Wells and intakes.
2020. Iowa Department of Natural Resources.
2020. Iowa Department of Natural Resources.
2018. Iowa Department of Natural Resources. Facilities with operating permits for Title V of the Federal Clean Air Act, as well as facilities required to submit an air emissions inventory, an...
Airport Approach Surface Precision: Iowa
2020. Iowa Department of Transportation. The approach surface is longitudinally centered on the extended runway centerline and extends outward and upward from each end of the primary surfa...
Airport Approach Surface Precision: State of Iowa
2019. Iowa Department of Transportation. The approach surface is longitudinally centered on the extended runway centerline and extends outward and upward from each end of the primary surfa...
Airport Approach Surfaces: Iowa
2020. Iowa Department of Transportation. The approach surface is longitudinally centered on the extended runway centerline and extends outward and upward from each end of the primary surfa...
2020. Iowa Department of Transportation. The Conical surface extends outwards and upwards from the boundary of the horizontal surface at a slope of 20:1 for a horizontal distance of 4,000'.
Airport Conical Surface: State of Iowa
2019. Iowa Department of Transportation. The Conical surface extends outwards and upwards from the boundary of the horizontal surface at a slope of 20:1 for a horizontal distance of 4,000 .
Airport Horizontal Surface: Iowa
2020. Iowa Department of Transportation. The Horizontal surface is a plane 150' above the established airport elevation. The perimeter of which is constructed by swinging arcs of specified...
Linn County Iowa GIS. This feature layer contains Linn County, Iowa airports.Feature Layer DetailsUpdate Frequency: As neededFeature Class Coordinate System: NAD 1983 Io...
2020. Iowa Department of Transportation. Airport locations and information in Iowa including contact information, location details and more.
2020. Iowa Department of Transportation. The Primary surface extends 200 feet beyond each end of the runway, but when the runway has no specially prepared hard surface, the surface ends at...
2020. Iowa Department of Transportation. Airport runway locations and information in Iowa including contact information, location details and more.
Airport Transitional Surface: Iowa
2020. Iowa Department of Transportation. The transitional surface extends outward and upward at right angles to the primary and approach surfaces at a slope of 7:1.
Airport Transitional Surface Precision: Iowa
2020. Iowa Department of Transportation. The transitional surface extends outward and upward at right angles to the primary and approach surfaces at a slope of 7:1.
All Disaster Declarations: Iowa
2019. Iowa Department of Transportation. Contains all active disaster declarations for all of Iowa's 99 counties (both federal and state). Data is manually updated once a proclamation is i...
All Environmental Facilities (Areas): Iowa
2020. Iowa Department of Natural Resources.
All Environmental Facilities: Iowa
2020. Iowa Department of Natural Resources.
All Environmental Facilities (Lines): Iowa
2020. Iowa Department of Natural Resources.
All Registered Wells in the State of Iowa
2018. Iowa Department of Natural Resources. All Registered Wells in the State of Iowa This zipfile contains a shapefile of the All Wells dataset.
Iowa Department of Transportation. Displays all counties in the state of Iowa color coded according to All Systems Permit restictions. Check with local officials when traveling on co...
2020. Iowa Department of Transportation. Information about all routes in the State of Iowa including Federal, State, County, Municipal, Institutional and Ramp systems. Data is maintained i...
2020. Iowa Department of Transportation. Information about all routes in the State of Iowa including Federal, State, County, Municipal, Institutional and Ramp systems. Data is maintained i...
2020. Iowa Department of Transportation. Information about all routes in the State of Iowa including Federal, State, County, Municipal, Institutional and Ramp systems. Data is maintained i...
2020. Iowa Department of Natural Resources.
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.
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.
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.
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 ONLY (no resources) for CP 3 Missouri Valley U.S. 30 bypass.
Iowa Department of Transportation. Hosted service with houses for alternative 2 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 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.
Iowa Department of Transportation. Hosted service with all alternatives and study area for CP 3 Missouri Valley U.S. 30 bypass.
Alt2 Levee County Parcels: Iowa
Iowa Department of Transportation. Hosted service with all alternatives and study area for CP 3 Missouri Valley U.S. 30 bypass.
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 with all alternatives and study area ONLY (no resources) 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 Levee Groundline Intercept: Iowa
Iowa Department of Transportation. Hosted service with study area for CP 3 Missouri Valley U.S. 30 bypass.
Alt2 Levee Groundline Intercept: Iowa
Iowa Department of Transportation. Hosted service with all alternatives and study area for CP 3 Missouri Valley U.S. 30 bypass.
Alt2 Levee Groundline Intercept: Iowa
Iowa Department of Transportation. Hosted service for alternative 2 with levee for CP 3 Missouri Valley U.S. 30 bypass.
Iowa Department of Transportation. Hosted service with houses for alternative 2 for CP 3 Missouri Valley U.S. 30 bypass.
Iowa Department of Transportation. Hosted service with all alternatives and study area ONLY (no resources) 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.
Iowa Department of Transportation. Hosted service with houses for alternative 2 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 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 Levee Loess Hills Special Landscape Areas: 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 for alternative 2 with levee 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 with all alternatives and study area ONLY (no resources) 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.
Iowa Department of Transportation. Hosted service with all alternatives and study area for CP 3 Missouri Valley U.S. 30 bypass.
Alt2 Levee Raised Median: Iowa
Iowa Department of Transportation. Hosted service with all alternatives and study area for CP 3 Missouri Valley U.S. 30 bypass.
Alt2 Levee Raised Median: Iowa
Iowa Department of Transportation. Hosted service with all alternatives and study area ONLY (no resources) 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.
Iowa Department of Transportation. Hosted service for alternative 2 with levee 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.
