As a National Estuary Program, Maryland Coastal Bays Program (MCBP) is a non-profit partnership among the towns of Ocean City and Berlin, the National Park Service (NPS), Worcester County, the U.S. Environmental Protection Agency, and the Maryland Departments of Natural Resources, Agriculture and Planning. One of only 28 such programs nationwide, their goal is to protect and enhance the watershed, which includes Ocean City, Ocean Pines and Berlin, and Assateague Island National Seashore. MCBP joined the NAC CESU in 2003.