- Acton
- Alfred
- Arundel
- Barrington
- Berwick
- Brookfield
- Dover
- Eliot
- Farmington
- Kennebunk
- Kennebunkport
- Kittery
- Lebanon, Maine
- Lyman
- Middleton
- Milton
- Newcastle
- New Durham
- Newington
- North Berwick
- Northwood
Cities & Towns
Seacoast watershed information is collected here for the convenience of local decision-makers.