The Watershed Councils:
- Blackstone River Watershed Council/Friends of the Blackstone
- Buckeye Brook Coalition
- Friends of the Moshassuck
- Kickemuit River Council
- Narrow River Preservation Association
- Pawtuxet River Authority & Watershed Council
- Salt Ponds Coalition
- Ten Mile River Watershed Council
- Wood-Pawcatuck Watershed Association
- Woonasquatucket River Watershed Council