The Magothy River Association is an all-volunteer group representing about 46 communities along the Magothy River Watershed. It devotes its efforts to projects that protect the welfare of the river and its inhabitants, such as:
•    Maintaining an oyster nursery at Downs Park
•    Restoring an oyster bar
•    Monitoring water quality
•    Helping to restore seagrasses

http://www.magothyriver.org/