Basin Supply Sources
| Water Body | Basin |
| Abbot Run Brook and Tributaries | Blackstone River Basin |
| Adamsville Run Brook and Tributaries | Westport River Basin |
| Allen's Harbor | Narragansett Basin |
| Almy Reservoir | Pawtuxet River Basin |
| Annaquatucket River | Narragansett Basin |
| Apponaug Cove | Narragansett Basin |
| Aquidneck Water Supply Reservoir System | Narragansett Basin |
| Arnold Pond | Thames River Basin |
| Bailey's Brook | Narragansett Basin |
| Barden Reservoir | Pawtuxet River Basin |
| Barrington River - MA/RI line to RR br. | Narragansett Basin |
| Beach Pond and Tributaries | Thames River Basin |
| Big River | Pawtuxet River Basin |
| Bissel Cove | Narragansett Basin |
| Blackstone River and Tributaries | Blackstone River Basin |
| Block Island Sound | Coastal Waters |
| Block Island Coastal Waters | Coastal Waters |
| Bowdish Reservoir | Thames River Basin |
| Branch River and Tributaries | Blackstone River Basin |
| Brandy Brook | Blackstone River Basin |
| Brigg's Marsh | Coastal Waters |
| Bristol Harbor | Narragansett Basin |
| Brown Brook | Thames River Basin |
| Brush Neck Cove | Narragansett Basin |
| Bucks Horn Brook | Thames River Basin |
| Carbuncle Pond | Thames River Basin |
| Card Pond | Coastal Waters |
| Carr Pond | Pawtuxet River Basin |
| Carr River | Pawtuxet River Basin |
| Chapachet Pond | Blackstone River Basin |
| Chapachet River | Blackstone River Basin |
| Clarksville Pond | Thames River Basin |
| Clear River | Blackstone River Basin |
| Cocumcussoc Brook and Tributaries (S) | Narragansett Basin |
| Coddington Cove SB/SC Areas | Narragansett Basin |
| Cold Brook | Coastal Waters |
| Congdon River | Pawtuxet River Basin |
| Dundery Brook | Coastal Waters |
| Dyer Pond | Pawtuxet River Basin |
| East Passage of Narragansett Bay | Narragansett Basin |
| Easton Reservoir | Narragansett Basin |
| Fenner Pond | Pawtuxet River Basin |
| Nelson Reservoir | Narragansett Basin |
| Newport Harbor | Narragansett Basin |
| Ninigret Pond | Coastal Waters |
| Nipmuc River | Blackstone River Basin |
| Nonquit Pond | Narragansett Basin |
| Nooseneck River | Pawtuxet River Basin |
| North Pond in Jamestown | Narragansett Basin |
| Oak Swamp | Pawtuxet River Basin |
| Old Hickory Brook | Pawtuxet River Basin |
| Olney Pond | Moshassuck River Basin |
| Palmer River - MA/RI line to RR bridge | Narragansett Basin |
| Pascoag Reservoir | Blackstone River Basin |
| Pawcatuck River/Little Narragansett Bay | Pawtuxet River Basin |
| Pawcatuck River - Main St. br. to head | Pawtuxet River Basin |
| Pawtuxet River - North Branch | Pawtuxet River Basin |
| Pawtuxet River - South Branch | Pawtuxet River Basin |
| Pawtuxet River - Main Stem | Pawtuxet River Basin |
| Peck Pond | Thames River Basin |
| Pettaquamscutt River | Coastal Waters |
| Pine River | Narragansett Basin |
| Pocasset River and Tributaries | Pawtuxet River Basin |
| Point Judith Pond | Coastal Waters |
| Ponagansett Reservoir | Pawtuxet River Basin |
| Potowomut River | Narragansett Basin |
| Print Works Pond | Pawtuxet River Basin |
| Providence River - India Pt. to Conimicut | Narragansett Basin |
| Quicksand Ponds | Coastal Waters |
| Quidnick Reservoir | Pawtuxet River Basin |
| Quonochontaug Pond | Coastal Waters |
| Randall Pond | Pawtuxet River Basin |
| Regulating Reservoir | Pawtuxet River Basin |
| Rhode Island Sound | Coastal Waters |
| Roaring Brook | Thames River Basin |
| Roger Williams Ponds Park System | Pawtuxet River Basin |
| Saint Mary's Reservoir | Narragansett Basin |
| Sakonnet River | Coastal Waters |
| Saugatucket River and Tributaries | Coastal Waters |
| Scituate Reservoir | Pawtuxet River Basin |
| Seekonk River | Narragansett Basin |
| Shippee Sawmill Pond | Pawtuxet River Basin |
| Silver Creek (S) | Narragansett Basin |
| Simmons Reservoir | Pawtuxet River Basin |
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