MassDEP Wetlands displayed using generalized type codes for both area and line features. Feature service from MassGIS.

MassGIS Open Data2025-08-06 更新00

MassDEP Wetlands Change (Feature Service)

The MassDEP Wetlands Change layer contains polygon features identified as being a wetland change area based on one of the following MassGIS color ortho imagery (aerial photography) products: 2001-2003

ArcGIS Hub2026-06-22 更新00

MassDEP Wetlands (2005) Human Altered Areas (Feature Service)

This map service represents the MassDEP Wetlands (2005) Human Altered Areas -- wetland areas in Massachusetts that were changed because of human activity. This layer stores the former type of the wetl

MassDOT Open Data2024-02-27 更新00

MassDEP Wetlands (Feature Service)