Each digital dataset name below links to a complete data layer description. On each page you will find metadata and links to free data download.

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TABLE OF CONTENTS

Census/Demographic Data | Coastal and Marine Features | Conservation/Recreation | Cultural Resources | Environmental Monitoring | Image Data | Indexes | Infrastructure | Physical Resources | Political/Administrative Boundaries | Regulated Areas | Miscellaneous

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Census/Demographic Data

• Datalayers from the 2010 U.S. Census
• Datalayers from the 2000 U.S. Census
• Datalayers from the 1990 U.S. Census

Blocks, Block Groups, Tracts and their associated tables, and TIGER Roads for all years.
For 2000 and 2010, additional derived datasets include:
- Environmental Justice Populations
- Hydrography
- Municipal Boundaries

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Coastal and Marine Features

• Anadromous Fish
• Bathymetry of the Gulf of Maine
• Bathymetry (Offshore - 1:250,000)
• Coastal Barrier Resource Units
• Coastline (1:25,000)
• CZM MORIS layers
• Designated Shellfish Growing Areas
• MA DMF Lobster Harvest Zones
• Fish Traps (Weirs)
• Hurricane Surge Inundation Zones
• Marine Beaches
• The Massachusetts Coastal Zone
• Massachusetts Geographic Response Plan
• MassDEP Eelgrass Mapping Project (Updated 8/9/2018)
• Ocean Mask
• Salt Marsh Restoration Sites
• Shellfish Suitability Areas
• State Designated Barrier Beaches
• Stellwagen Bank National Marine Sanctuary
• Tidelands Jurisdiction (Chapter 91)

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Conservation/Recreation

• Areas of Critical Environmental Concern
• Bicycle Trails
• Community Preservation Act (CPA) Points
• Community Preservation Act (CPA) Towns
• Forest Stewardship Program Properties
• DCR Roads and Trails
• Long Distance Trails
• Office of Fishing and Boating Access Sites (Updated 10/8/2019)
• Protected and Recreational Open Space (Updated 2/5/2020)
• The Scenic Landscape Inventory
• Tracks and Trails
• BioMap2
• NHESP Priority Habitats of Rare Species
• NHESP Estimated Habitats of Rare Wildlife
• NHESP Certified Vernal Pools
• NHESP Potential Vernal Pools
• NHESP Natural Communities

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Cultural Resources

• MHC Historic Inventory

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Environmental Monitoring

• MassDEP Water Quality Monitoring Stations (Updated June 13, 2019)
• Shellfish Sampling Stations
• Stream-Gaging Stations
• Sustainable Yield Estimator (SYE) Water-use Database
• USGS Data-Collection Stations

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Image Data

Ortho Imagery (Aerial Photography)

• USGS Color Ortho Imagery (2019) (New! - 2/18/2020)
• Google Ortho Imagery (2014-2018)
• 2015 WorldView Orthoimagery
• USGS Color Ortho Imagery (2013/2014)
• Digital Globe Color Ortho Imagery (2011/2012)
• USGS Color Ortho Imagery (2008/2009)
• 1:5,000 Color Ortho Imagery (2005)
• 1:5,000 Color Ortho Imagery (2001, 2003)
• 1:10,000 Coastal Color Orthophoto Images (1994)
• 1:5,000 Black and White Digital Orthophoto Images (1990s)

Scanned Reference Maps

• USGS Topographic Quadrangle Images
• USGS Historical Coastal Topographic Map Image
• USGS 1:24,000 Surficial Geology Topographic Base Map Images
• NOAA Raster Navigational Charts

Elevation

• LiDAR Terrain Data
• Digital Elevation Model and Shaded Relief (2005)
• Digital Elevation Model (1:5,000)
• Shaded Relief (1:5,000)

Environmental Analysis

• Crop Evapotranspiration and Potential Evaporation Grids
• Impervious Surface
• Modeled Wind Speed Grids

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Indexes

• 2015 WorldView Orthoimagery Indexes
• Coastal Color Orthophotos Index
• Coastal Zone Tiling Index
• Digital Orthophoto Index (1990s, 2001/2003, & 2005)
• Latitude-Longitude Grids
• LiDAR Terrain Data Index
• Surficial Geology (1:24,000) Status Index
• USGS Color Ortho Indexes (2008/2009)
• USGS Color Ortho Indexes (2013/2014)
• USGS Quadrangle Template (Digital Data)
• USGS Quadrangle Template (Topographic Maps)
• UTM Grid and Points

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Infrastructure

Transportation

• Airports
• Boston Harbor Water Taxi Stops
• Census 2000 TIGER Roads
• Census 2010 TIGER Roads
• Ferry Routes
• Highway Mile Markers
• Limited Access Highway Exits
• MassDOT Roads (Updated 11/29/2018)
• MBTA Bus Routes and Stops
• MBTA Parking Lots
• MBTA Rapid Transit (Updated 1/7/2020)
• Park and Ride Lots
• RMV Locations (Updated 2/5/2019)
• Seaports
• Trains (and MBTA Commuter Rail)

Other Facilities and Structures

• Acute Care Hospitals (Updated 12/27/2018)
• Non-acute Care Hospitals
• Aqueducts
• Building Structures (2-D) (Updated 8/28/2019)
• Colleges and Universities (Updated 6/5/2018)
• Community Health Centers (Updated 10/31/2019)
• Courthouses (New - 1/18/2019)
• Dams
• DCR Pools
• Farmers' Markets
• Fire Stations
• Ice Rinks
• Libraries
• Lighthouses
• Long Term Care Residences (Updated 5/7/2019)
• Master Address Data (Updated Continually)
• MWRA Water/Sewer Service Areas
• Places of Worship (New - 11/13/2019)
• Police Stations
• Prisons (Updated 1/4/2019)
• Public Utility Service Providers
• Public Water Supplies (Updated 12/9/2019)
• Schools (Pre-K through High School) (Updated 6/6/2019)
• Survey Control
• Town and City Halls
• Transmission Lines

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Physical Resources

Land Use/Land Cover, Geological/Geophysical, Atmospheric

• Aquifers
• Bedrock Lithology
• Interior Forest
• Land Cover/Land Use (2016) (New - 5/22/2019)
• Land Use (2005)
• Land Use (1951-1999)
• Land Use Summary Statistics
• NRCS SSURGO-Certified Soils
• Outstanding Resource Waters
• Prime Forest Land
• Priority Natural Vegetation Communities
• Public Water Supply Service Territories
• Surficial Geology (1:24,000)
• Surficial Geology (1:250,000)
• U.S. EPA Designated Sole Source Aquifers
• U.S. EPA Ecoregions
• Wind Power Density at 50m

Elevation and Derived Products

• Breaklines (1:5,000)
• Breaklines and Mass Points (2005)
• Contours (1:5,000)
• Contours (1:250,000)
• Digital Terrain Model (DTM) Files
• Elevation Points (1:5,000)
• All Vector Elevation Files (above)

Inland Water Features

• Drainage Sub-basins
• Inland Water Bathymetry (1:10,000) (Updated 8/12/2019)
• Quabbin Reservoir Bathymetry
• MA DFW Coldwater Fisheries Resources (Updated 9/9/2019)
• Major Drainage Basins
• Major Watersheds
• MassDEP Hydrography (1:25,000) (Updated 12/19/2019)
• MassDEP Wetlands (2005)
• MassDEP Wetlands Original (1:12,000)
• MassDEP Wetlands (1:12,000) Change
• MassDEP Wetlands (2005) Human Altered Areas
• Mega Basins
• National Wetlands Inventory
• Networked Hydro Centerlines
• NRCS HUC Basins (8, 10, 12)
• Surface Water Supply Watersheds
• USGS Hydrography (1:100,000) (Updated 12/19/2019)
• USGS Major Ponds and Major Streams (Updated 12/19/2019)

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Political/Administrative Boundaries

• Adjacent States' Town Boundaries
• Atlantic Canadian Provinces
• Community Boundaries (Cities and Towns) from Survey Points (Updated 9/3/2019)
• Community Boundaries (Cities and Towns)
• Community Boundaries (Cities and Towns) without Coast
• Community Health Network Areas
• County Boundaries
• CZM Regions
• DCAMM Regions
• DCR Mass Parks Regions (New - 6/17/2019)
• DFS State Fire Districts (New - 10/3/2019)
• DFS State HazMat Districts (New - 10/3/2019)
• Division of Fisheries and Wildlife Districts
• Emergency Medical Services Regions
• Emergency Preparedness Regions and Regional Coalitions
• Emergency Service Zones
• Executive Office of Health & Human Services Regions (Updated 3/14/2019)
• Governor's Council Districts (2012) (Updated 1/7/2019)
• Homeland Security Planning Regions
• MassDEP Regions
• MassDOT Highway Districts (New - 6/21/2019)
• Massachusetts Emergency Management Agency (MEMA) Regions
• Massachusetts House Legislative Districts (Updated 1/7/2019)
• Massachusetts Senate Legislative Districts (Updated 1/7/2019)
• MSAG Communities
• New England Boundaries
• Offshore Town Boundaries
• Public School Districts (Updated 6/6/2019)
• Regional Planning Agencies
• Regional Transit Authorities
• Registries of Deeds Districts (Updated 1/7/2019)
• Standardized Assessors' Parcels (Updated 3/23/2020)
• State Outlines
• U.S. Congressional Districts (116th) (Updated 1/7/2019)
• Urban Boundaries (2010 Census)
• Wards and Precincts (New - 1/29/2019)
• ZIP Codes (5-Digit) from HERE (Updated 11/26/2018)

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Regulated Areas

• FEMA National Flood Hazard Layer
• FEMA Q3 Flood Zones from Paper FIRMs
• MassDEP 2002 Integrated List of Waters (305(b)/303(d))
• MassDEP 2010 Integrated List of Waters (305(b)/303(d))
• MassDEP 2012 Integrated List of Waters (305(b)/303(d))
• MassDEP 2014 Integrated List of Waters (305(b)/303(d))
• MassDEP Ground Water Discharge Permits (Updated 12/9/2019)
• MassDEP Major Facilities
• MassDEP Solid Waste Diversion and Disposal
• MassDEP Oil and/or Hazardous Material Sites with Activity and Use Limitations (AUL) (Updated 1/28/2020)
• MassDEP Tier Classified Chapter 21E Sites (Updated 1/28/2020)
• MassDEP Underground Storage Tanks
• MassDEP Wellhead Protection Areas (Zone II, Zone I, IWPA) (Updated 12/9/2019)
• Non-Potential Drinking Water Source Areas (Updated 2/7/2019)
• Surface Water Supply Protection Areas (ZONE A, B, C)
• Title 5 Setback Areas

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Miscellaneous

• Geographic Place Names

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