The following is a selected list of maps available:

The Casco Bay Watershed map

Casco Bay Watershed with Five Subwatersheds

Population by Town in the Casco Bay Watershed 1970-2005

Impervious Surface in Casco Bay Watershed

Combined Sewer Overflows in Casco Bay

Shellfish Bed Classification in Casco Bay

Swim Beaches in Casco Bay

Conserved Lands in the Lower Casco Bay Watershed

Undeveloped Habitat Blocks in the Casco Bay Watershed

Waterbirds in Casco Bay (2000)

Eelgrass Distribution in Casco Bay

Change in Concentration of Toxic Chemicals From 1991-1994 to 2000-2001 in Casco Bay Sediments

Overview of Lead Concentrations in Mussels at Sites Sampled in Casco Bay Since 1987

Casco Bay Water Quality Health Index Distributions

Waters in the Casco Bay Watershed That Don't Meet State Standards