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Maps
DEM uses Geographic Information System (GIS) technology to create, manipulate and analyze spatial data that help us achieve our mission of preserving the quality of Rhode Island's environment.
Please follow the links below to access our maps, web-browser applications, RIGIS Data and other GIS Sites.
Interactive Digital Maps · "Paper" Maps · GIS Resources · Contact Us
| Environmental Resource Map | |
| Interactive map includes regulatory overlays, regulated facilities and natural resource information. |  |
| Topo Map & Aerial Photo Viewer | |
| Fast & easy viewer including aerial photography dating back to 1939, USGS Topographic Maps, & NOAA Navigational Charts. |  |
Select a link below to view or download maps.
CRMC/DEM Wetland Regulatory Jurisdiction
DEM Groundwater Classification and Wellhead Protection Area Maps
Shellfish Grounds, Closures and Approved Areas
Shellfish Tagging: Narragansett Bay
DEM Management & Hunting Area Atlas
Snake Den State Park Hunting Boundary Maps
Grayscale JPG
Color JPG
Grayscale PDF
Color PDF
Lake and Pond Bathymetry Maps for Fishermen
Marine Sanitation Device: No Discharge Zone for RI Waters
Marine Sanitation Device: Pumpout Facilities
RI Critical Resource Atlas 
RIPDES Phase II Stormwater Requirement Areas
RI Environmental Sensitivity Index Maps
RI Marine Resource Uses
RI Resource Protection Project
South County Greenspace Project Maps
United States Library of Congress Map Collection
RI Watersheds with HUC12 Sub-Watersheds
Data Sources
RIGIS Rhode Island Geographic Information System
MassGIS Massachusetts Geographic Information System
MAGIC Connecticut Map and Geographic Information Center
Geodata.Gov National Geospatial Information Clearinghouse
Questions or Comments regarding GIS data and maps found on this page may be directed to:
Paul Jordan
Supervising GIS Specialist
Rhode Island Dept of Environmental Management
235 Promenade Street
Providence, Rhode Island
02908
(401) 222-2776 x4315
e-mail: paul.jordan@dem.ri.gov