2026 State of Casco Bay Report — Casco Bay Estuary Partnership

State of Casco Bay

2026 Edition

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  • Table of Contents
    • 1. Population & Land Use
    • 2. Wastewater Disposal
    • 3. Combined Sewer Overflows
    • 4. Climate Change
    • 5. Lakes
    • 6. Streams
    • 7. Bay Water Quality and Coastal Acidification
    • 8. Nitrogen in the Bay
    • 9. Swimming Beaches and Shellfish Beds
    • 10. Toxics
    • 11. Tidal Marshes
    • 12. Eelgrass
    • 13. Aquatic Connectivity
    • 14. Conserved Lands
    • 15. Marine Community
    • 16. Invasive Species
    • 17. Living Marine Resources
    • 18. Bay Economics
    • 19. Environmental Education
    • 20. Stewardship
    • 21. Climate Preparedness
    • 22. Emerging Data Sources