How many river systems are there in Rhode Island?

The Blackstone, Ten Mile, Moshassuck, Woonasquatucket, Pawtuxet, Warren, Pawcatuck, Hunts, Saguatucket, Narrow, Parts of the Quinebaug, and a very small portion of the Taunton, and the Kickemuit. 13 major. Did I miss any? Narragansett Bay drains a majority of the state. The five largest tributaries in order are the Blackstone, Taunton, Pawtuxet, Ten Mile, and the Woonasquatucket.