External Resources

A compilation of some non-Washtenaw County GIS-related resources and applications. Washtenaw County does not endorse these organizations and is not responsible for their websites, data, or your use of them.

Our Neighbors
Wayne County
Oakland County
Jackson County
Livingston County
Monroe County
Lenawee County
Ingham County
Our Neighbors
City of Ann Arbor
City of Detroit

Data Available
Mapping Racially Restrictive Covenants and Other Racist Housing PracticesJustice InDeed

Washtenaw County Subdivisions with Racist Housing Practices
Soil Survey of Washtenaw County (PDF)
Soil Surveys by State (full website)
USDACounty Soil Survey
1992 & 1998 Aerial Imagery DownloaderMichigan DNR1992 & 1998 Aerials of Michigan
Local Historic AerialsWayne State and DTEAerial imagery for SE Michigan
World Imagery Wayback
ESRIAerial imagery (Check box for only updates with local changes)
Sentinel Explorer
ESRIAerial imagery
EarthExplorerUS Geological SurveyAerial imagery and other rasters
SEMCOG Open Data PortalSoutheast Michigan Council of GovernmentsSoutheast Michigan data, including elevation contours
SEMCOG Map Gallery
Southeast Michigan Council of Governments
Web mapping applications with Southeast Michigan data
State of Michigan GISState of MichiganMichigan data
data.census.gov (new site)
US Census BureauUS Census data
MDOT GIS Open DataMichigan Department of TransportationMDOT data
CrimeMapping.com Local law enforcement agencies and TriTech Software SystemsCrime incident data
The National Map
US Geological Survey
US topographic data
TopoViewUS Geological Survey
Historic topographic maps
MDOT Interactive MapsMichigan Department of TransportationTransportation data for Michigan
Wetlands Map ViewerMichigan Department of Environmental QualityWetlands and wetland conditions in Michigan
Web Soil SurveyUS Department of AgricultureUS soil data
Environmental MapperMichigan Department of Environmental Quality
Sites of contamination, storage tanks, brownfields, land use restrictions, and more in Michigan
Recreation SearchMichigan Department of Natural ResourcesFind parks, campgrounds, trails, and more in Michigan
How's My Waterway?
US Environmental Protection Agency (EPA)Water quality data
GeoWebFaceMichigan Department of Environmental QualityOil, gas, mining, and geologic data for Michigan
MiLocatorState of MichiganLocate points of interest
HIFLD Open DataHomeland Infrastructure Foundation-Level Data SubcommitteeUS data
Geospatial PlatformFederal Geographic Data Committee
US data, variety of resources
ResponseMapping.comLocal public safety agencies and TriTech Software Systems
Public safety incident data (ex. fire departments and EMS) 
AAATA Developer FilesAnn Arbor Area Transportation Authority (TheRide)GIS files of routes and bus stops, API, and GTFS
ESRI Maps for Public PolicyESRIUS community data
CARES Engagement NetworkCenter for Applied Research and Engagement Systems at the University of Missouri
US community data (Economic, Education, Environment, Health, Civic/Social)
National Pipeline Mapping SystemPHMSA (US DOT)Gas transmission and hazardous liquid pipelines
National Wetlands Inventory MapperUS Fish & Wildlife ServiceWetlands in the United States
Flood Map Service CenterFEMAFEMA flood maps
EJSCREENUS EPAEnvironmental Justice Screening and Mapping Tool
3D Elevation ProgramUSGSDownload LiDAR data
SSURGO DownloaderNRCSDownload ArcGIS Pro map packages of soil data for the United States
Historic AerialsNETROnline.com (Nationwide Environmental Title Research, LLC)Historic Aerials of the United States
Environmental DataNETROnline.com (Nationwide Environmental Title Research, LLC)
Environmental records database for the United States
EGLE's Maps and AppsMichigan Department of Environment, Great Lakes, and Energy
EGLE's ArcGIS Online with their data and content
NEPAssistUS EPAFacilitates environmental reviews
US EPA GeoPlatformUS EPAEPA's ArcGIS Online with their data and content
Explore Designated RiversU.S. Fish and Wildlife Service
National Wild and Scenic Rivers System
Nationwide Rivers InventoryNational Park Service, US Department of the InteriorNRI listings are believed to possess "outstandingly remarkable" natural or cultural values. They are potential candidates for inclusion in the National Wild and Scenic River System.