You are in the Casco Bay watershed if the water that falls on the ground eventually flows downhill to Casco Bay. This map shows the watershed boundaries.

casco_bay_watershed_map_for_web

The following maps of Casco Bay and the watershed can be found on the Publications page by entering Map in the Category or Key Word search box:

Boat Access Sites
Combined Sewer Overflows
Eelgrass Distribution
Presumpscot River, 20 maps: Corridor; Watershed; Paddling