Available Datalayers
Image Data | Census/Statistical Data | Coastal and Marine Features | Conservation/Recreation | Cultural Resources | Environmental Monitoring | Indexes | Infrastructure | Physical Resources (includes Topography and Water Features) | Political/Administrative Boundaries | Regulated Areas | Miscellaneous
Each digital dataset name below links to a complete datalayer description and link to that layer's free download page. Please note that the date below each datalayer title on the individual description pages represents the month and year that the data first appeared in the MassGIS library or the date of the datalayer's most recent update.
To receive Data Update notices via email, or to let us know about an error or submit questions on MassGIS data Contact Us.
Image Data
Ortho Imagery (Aerial photography)
Scanned Reference Maps
- USGS Color Ortho Imagery (2008/2009)
- 1:5,000 Color Ortho Imagery (2005)
- 1:5,000 Color Ortho Imagery (2001, 2003)
- 1:5,000 Black and White Digital Orthophoto Images (1990s)
- USGS 1:12,000 Black and White Digital Orthophoto Images
- 1:10,000 Coastal Color Orthophoto Images
Elevation/Bathymetry
- USGS Topographic Quadrangle Images
- USGS Historical Coastal Topographic Map Image
- USGS 1:24,000 Surficial Geology Topographic Base Map Images
- NOAA Raster Navigational Charts
Environmental Analysis
Vector Data
- Datalayers from the 2010 U.S. Census - Updated 4/17/2012
- Blocks
- Block Groups
- Tracts
- TIGER Roads and associated tables
- Redistricting summary data tables
- Summary File 1 (SF1) data tables
- Towns
- Datalayers from the 2000 U.S. Census
- Blocks
- Block Groups
- Tracts
- TIGER Linework (Roads, Railroads, Rivers and Streams, Powerlines, etc.)
- TIGER Water Bodies
- TIGER Towns
- Environmental Justice Populations
- Datalayers from the 1990 U.S. Census
- Blocks
- Block Groups
- TIGER Linework (Roads, Railroads, Rivers and Streams, Powerlines, etc.)
- CZM MORIS layers
- Coastline (1:25,000)
- Marine Beaches
- State Designated Barrier Beaches
- Fish Traps (Weirs)
- Anadromous Fish
- Designated Shellfish Growing Areas
- Shellfish Suitability Areas
- MA DMF Lobster Harvest Zones
- Tidelands Jurisdiction (Chapter 91)
- Bathymetry for the Gulf of Maine
- Offshore Bathymetry (1:250,000)
- The Massachusetts Coastal Zone - Updated 2/9/2012
- Coastal Barrier Resource Units
- Stellwagen Bank National Marine Sanctuary
- Salt Marsh Restoration Sites
- Nautical (linework from NOAA Charts)
- Ocean Mask
- Protected and Recreational Open Space - Updated 3/27/2012
- Areas of Critical Environmental Concern
- Office of Fishing and Boating Access Sites
- Canoe Trips and Access Points
- Tracks and Trails
- Bicycle Trails
- Long Distance Trails
- Scenic Landscapes
- NHESP Priority Habitats of Rare Species
- NHESP Estimated Habitats of Rare Wildlife
- NHESP Certified Vernal Pools - Updated February 2011
- NHESP Potential Vernal Pools
- NHESP Living Waters Core Habitats
- NHESP Living Waters Critical Supporting Watersheds
- NHESP Natural Communities - Updated 12/28/2011
- BioMap2
- Forest Stewardship Program Properties
- Insect Infestation (BUGS)
- DEP DWM Monitoring Stations
- USGS Data-Collection Stations
- Stream-Gaging Stations
- Water Quality Monitoring Stations
- Shellfish Sampling Stations
- Massachusetts Sustainable Yield Estimator (SYE) Water-use Database
- Quadrangle Template
- Digital Quadrangle Template
- Latitude-Longitude Grids
- UTM Grid and Points
- Digital Orthophoto Index
- Color Ortho MrSID Mosaic Indexes
- USGS Color Ortho Indexes (2008/2009)
- Coastal Color Orthophotos Index
- Coastal Zone Tiling Index
- Surficial Geology (1:24,000) Status Index
Transportation
- MassDOT Roads
- Census 2010 TIGER Roads
6/23/2011
- Census 2000 TIGER Roads
- Highway Exits and Routemarker Locations
- Trains
- MBTA Rapid Transit - Updated 2/2/2012
- MBTA Bus Routes and Stops
- Airports
- Ferry Routes
- Seaports
- Boston Harbor Water Taxi Stops
- Tollbooths
- MBTA Parking Lots
- Park and Ride Lots
Other Facilities
- Schools
- Colleges and Universities
- Acute Care Hospitals
- Community Health Centers
- Long Term Care Residences
- Prisons
- Libraries
- Town Halls
- Police Stations
- Fire Stations
- Lighthouses
- Ice Rinks - Updated 8/23/11
- DCR Pools - Updated 8/23/11
- Public Water Supplies - Updated 7/20/11
- Public Utility Service Providers
- MWRA Water/Sewer Service Areas
- Dams
- Aqueducts
- Transmission Lines
- Building Footprints (2-D, from Lidar data)
- MEPA ENF Project Sites
- Survey Control
- Land Use (2005)
- Land Use (1951-1999)
- Land Use Summary Statistics
- NRCS SSURGO-Certified Soils
- Surficial Geology (1:24,000) - Updated 9/30/11
- Surficial Geology (1:250,000)
- Bedrock Lithology
- Priority Natural Vegetation Communities
- Prime Forest Land
- Interior Forest
- Aquifers
- EPA Designated Sole Source Aquifers
- U.S. EPA Ecoregions
- Outstanding Resource Waters
- Public Water Supply Service Territories
- Wind Power Density at 50m
Topography
- Elevation (Topographic) Data (2005)
- Elevation Contours (1:5,000)
- Elevation Contours (1:250,000)
- Digital Orthophoto Elevation Points
- Digital Orthophoto Topographic Breaklines
- Digital Terrain Model (DTM) Files
- Digital Elevation Model (1:5,000) from DTM Files
- Shaded Relief (1:5,000)
- Quabbin Reservoir Bathymetry
Water FeaturesPolitical/Administrative Boundaries
- Hydrography (1:25,000)
- Hydrography (1:100,000)
- Major Ponds and Major Streams
- DEP Wetlands (1:12,000) (formerly 1:5,000 Orthophoto Wetlands and Streams)
- DEP Wetlands (1:12,000) Change
- National Wetlands Inventory
- Major Drainage Basins
- Drainage Sub-basins
- Major Watersheds
- Mega Basins
- NRCS HUC Basins (8, 10, 12)
- Surface Water Supply Watersheds - Updated 7/20/11
- Networked Hydro Centerlines
- DEP Eelgrass
- DEP Eelgrass for Selected Embayments
Regulated Areas
- Community Boundaries (Towns) from Survey Points - Updated 10/25/2011
- Community Boundaries (Towns)
- Community Boundaries (Towns) without Coast
- County Boundaries
- State Outlines
- Offshore Town Boundaries
- Massachusetts 2000 Urban Boundaries
- Level 3 Assessors' Parcels - Updated 4/20/2012
- Legacy Level 0 and Level 2 Assessors' Parcels
- Zoning
- Adjacent States' Town Boundaries
- New England Boundaries
- Atlantic Canadian Provinces
Regions and Districts
- Massachusetts House Legislative Districts (2012)
- Massachusetts Senate Legislative Districts (2012)
- Massachusetts House Legislative Districts (2002)
- Massachusetts Senate Legislative Districts (2002)
- U.S. Congressional Districts (113th)
- U.S. Congressional Districts (108th)
- Governor's Council Districts (2012)
- MassDEP Regions
- Division of Fisheries and Wildlife Districts
- Mass. CZM Regions
- Regional Planning Agencies
- Public School Districts
- Massachusetts Emergency Management Agency (MEMA) Regions
- Massachusetts Emergency Medical Services Regions
- Massachusetts Executive Office of Health & Human Services Regions
- MDPH Community Health Network Areas
- Mass. Emergency Preparedness Regions and Regional Coalitions
- MassHighway Districts
- Regional Transit Authorities
- Homeland Security Planning Regions
- Registries of Deeds Districts
- State of Environment Regions
Miscellaneous
- DEP 2002 Integrated List of Waters (305(b)/303(d))
- DEP 2010 Integrated List of Waters (305(b)/303(d)) - Updated 3/19/2012
- DEP BWP Major Facilities
- DEP Solid Waste Facilities (includes Landfills)
- DEP Wellhead Protection Areas (Zone_IIs, IWPA) - Updated 7/20/11
- FEMA Q3 Flood
- Flood Insurance Rate Map Zones V and AO
- FEMA National Flood Hazard Layer
- Ground Water Discharge Permits - Updated 9/1/11
- MassDEP Tier Classified Chapter 21E Sites - Updated 8/25/11
- MassDEP Oil and/or Hazardous Material Sites with Activity and Use Limitations (AUL) - Updated 8/25/11
- Non-Potential Drinking Water Source Areas
- Surface Water Supply Protection Areas (ZONE A, B, C) - Updated 7/20/11
- Title 5 Setback Areas
- Underground Storage Tank Locations