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MassGIS Data: MassDEP Regions

August 2021

The DEP Regions layer represents boundaries used by the Massachusetts Department of Environmental Protection for planning and administrative purposes.

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Overview

The DEP Regions layer represents boundaries used by the Massachusetts Department of Environmental Protection for planning and administrative purposes

The layers are named REGDEP_ARC (lines), REGDEP_POLY (polygons), and REGDEP_ANNO_REG (annotation, for region name labeling).

The polygon feature class was updated in August 2021 to be based on the Survey Towns Boundaries (previously based on the USGS-based town boundaries).

Attributes

The polygon attribute table contains the following items:

REGION   DEP Administrative Region
DEP_ID DEP Region Identifier

Codes are as follows: 

REGION DEP-ID Description
WEST 1 Western region - Springfield headquarters
CEN 2 Central region - Worcester headquarters
NE 3 Northeast region - Woburn headquarters
SE 4 Southeast region - Lakeville headquarters

The arc attribute table contains the item OUTLINE, where 1 = state borders, 4 = coastline, and 14 = DEP region boundaries.

 

Maintenance

MassDEP maintains this layer. Boundaries were modified in May, 2006, to reflect the re-assignment of some towns to other regions by MassDEP.

Last updated: August 11, 2021
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