*This data repository has been moved to MassGIS datalayer description pages [1] Please begin using that link as these pages will be retired by the end of may 2021* The date below the data layer name on each page represents the month and year of...
/March 2021/ *This dataset consists of 2-dimensional roof outlines ("roofprints") for all buildings larger than 150 square feet for all of Massachusetts* *Download this layer:* - Shapefiles by city/town: From a map [1] | From a spreadsheet of...
/2010-2015/ *Light Detection and Ranging (LiDAR) terrain and elevation data cover the entirety of Massachusetts.* Download LiDAR data [1] [2] These data can be used for emergency response, drainage studies and hydrologic / floodplain modeling,...
/March 2021/ *MassGIS' standardized assessors’ parcel mapping data set contains property (land lot) boundaries and database information from each community's assessor.* Download Parcel data: By city/town: From a map [1] | From a spreadsheet of...
/April 2021/ *Wellhead protection areas are important for protecting the recharge area around public water supply (PWS) groundwater sources.* Download these layers [1] View in an online map [2] A Zone II is a wellhead protection area that has been...
/April 2021/ *The Public Water Supply (PWS) datalayer contains the locations of public community surface and groundwater supply sources and public non-community supply sources as defined in 310 CMR 22.00.* Request to download these data [1] (...
/June 2019/ *These data, covering the full coastal area of Massachusetts, were created as part of the National Oceanic and Atmospheric Administration Office for Coastal Management's efforts to create an online mapping viewer depicting potential...
