U.S.G.S.

The U.S. Geological Survey includes eleven major drainage basins, which lie wholly, or in part, in the state of RI:

• Blackstone
• Quinebaug
• Pawtuxet
• Ten Mile
• Woonasquatucket
• Moshassuck
• Narragansett Bay and Mount Hope Shore
• Pawtatuck
• Hunt
• Block Island Bay
• Buzzards Bay

The Providence and Seekonk Rivers are included in the Narragansett Bay watershed. (basin #26)

View map of watersheds in MA and RI

View map of Narragansett Bay watershed

source of maps: U. S. Geological Survey website (exit this site)