MPRSA Ocean Site Map

This map displays MPRSA ocean sites currently designated for specified materials and locations where disposition of specific materials has been permitted under EPA-issued MPRSA general and emergency permits. Layers identify locations where vessels, marine mammal carcasses and materials have been released into the ocean under MPRSA permits.

• Turn map items on or off by clicking the icons in the map legend.
• Click on individual features to view a pop-up with more information. 
• Use the spyglass icon to search for map items by name, location, or year.
• Use the picture icon to create a screenshot of your map view.

All information shown in the map above are publicly available. Click the name of the map item in the list below for more information and to download.
Note that metadata will only be included in the download if the item is exported as a shapefile or file geodatabase.

Ocean Disposal Site Polygons (March 2021)

Vessel Disposals at Sea Locations, MPRSA General Permit (2006 to 2023)

Marine Mammal Carcass Disposal Locations, MPRSA General Permit (2017 to 2023)

Emergency Permits for Ocean Dumping (1999 to 2023)

Note: This map is for informational purposes only and has not been prepared for, nor is it suitable for legal or related matters.