/March 2011/ *The MassDEP c. 91 Tidelands Jurisdiction data are a set of nine related data layers which, in combination, represent the presumed tidelands jurisdiction of MassDEP under M.G.L. c. 91 and the Waterways Regulations in 310 CMR 9.00 [1...
/May 2017/ *This layer has buffer areas that represent the minimum setback requirements for the installation of septic systems near specific natural resources and water features for the purposes of **Title 5 (310 CMR 15.00)**.* Download this layer...
/October 2020/ *This layer contains features mapped as part of the sixth coast-wide survey conducted by the MassDEP Eelgrass Mapping Project. This phase began in the summer of 2019 and is scheduled to continue through 2022, a 4-year duration that...
/April 2017/ *This datalayer contains the watershed extents for all surface water supplies including active, inactive, emergency, sources outside of Massachusetts, watersheds that extend into other states and watersheds of sources from other states...
/April 2017/ *These Surface Water Supply Protection Areas delineate those areas included in 310 CMR 22.00, the Massachusetts Drinking Water Regulations, as Surface Water Supply Protection Zones* Download this layer Shapefile with ArcGIS 9.0 LYR (24...
/November 2012/ *NRCS SSURGO-certified soils data for Massachusetts* *Download this layer:* Soils polygons [1] (Shapefiles and Access tables, by survey area) Special "Spot" features [2] (statewide shapefiles) Soils Status layer [3] (statewide...
/May 2011/ *The Shellfish Suitability Areas layer comprises polygons representing habitats suitable for ten species of shellfish along the coast of Massachusetts.* Download this layer (ESRI Shapefile format) View this datalayer in an online map...
/August 2015/ *Statewide digital map of the surficial geology at a 1:24,000-scale* Download this layer (105 MB) (ESRI shapefiles and ArcGIS 10.0 layer file) *** Area I added on August 19, 2015 *** View this datalayer in an online map This data layer...
/October 1999/ *Thi layer is a statewide surficial geology datalayer showing the location of sand and gravel deposits.* Download this layer Shapefile and ArcGIS 10 layer files [1] MassGIS has produced a statewide surficial geology...
/June 2019/ *These polygon data layers depict the boundaries of public school districts in the Commonwealth of Massachusetts.* Download this layer [1] (Shapefile and ArcGIS 10.3 layer file) View in an online map [2] [3] A school district...
