Ponaganset River

River in Rhode Island, United States

41°49′55″N 71°43′49″W / 41.8320°N 71.7302°W / 41.8320; -71.7302 The Ponaganset River is a river in the U.S. state of Rhode Island.^[1] It flows approximately 12.5 miles (20.1 km).^[2] There are three dams along the river's length.^[3]

Course

The river's source is Ponaganset Reservoir in Glocester. It then flows roughly southeast through Glocester and Foster, then into Scituate to the Scituate Reservoir. The river used to converge with the Moswansicut River to form the North Branch Pawtuxet River in the area that is now flooded by the reservoir.

Crossings

Below is a list of all crossings over the Ponaganset River. The list starts at the headwaters and goes downstream.

Glocester
- George Allen Road
Foster
- Hartford Avenue (RI 101)
- Winsor Road
- Pine Tree Road
- Old Danielson Pike
- Danielson Pike (U.S. 6)
- Ram Tail Road
- Central Pike
Scituate
- Ponaganset Road
- Plainfield Pike (RI 14)

Tributaries

In addition to many unnamed tributaries, the following brooks feed the Ponaganset:

Shippee Brook
Winsor Brook
Dolly Cole Brook

References

^ U.S. Geological Survey Geographic Names Information System: Ponaganset River
^ U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National Map, accessed April 1, 2011
^ Governor's Task Force on Dam Safety and Maintenance – Final Report, January 2001

Rivers of Rhode Island by drainage system

Block Island Sound

Point Judith Pond	Saugatucket River

Long Island Sound

Little Narragansett Bay (Pawcatuck River Watershed)	Ashaway River Beaver River Chipuxet River Flat River (Wood) Green Fall River Pawcatuck River Queen River Usquepaug River Wood River
Thames River Watershed	Moosup River

Narragansett Bay

Pettaquamscutt River Watershed	Mattatuxet River Pettaquamscutt River
Potowomut River Watershed	Hunt River Potowomut River
Providence River Watershed	Abbott Run Big River Blackstone River Branch River Carr River Chepachet River Chockalog River Clear River Congdon River Flat River (South Branch Pawtuxet) Mill River Millers River Mishnock River Moshassuck River Moswansicut River Nipmuc River Nooseneck River North Branch Pawtuxet River Pascoag River Pawtuxet River Peters River Pocasset River Ponaganset River Providence River Seekonk River Sevenmile River South Branch Pawtuxet River Stillwater River Ten Mile River West River Wilde River Woonasquatucket River
Sakonnet River Watershed	Maidford River Maiford River Quaket River Sakonnet River
Warren River Watershed	Barrington River Palmer River Runnins River Warren River
Others	Annaquatucket River Kickamuit River Maskerchugg River Pine River

v t e Providence River Watershed
Tributaries	Abbott Run Big River Blackstone River Branch River Bungay River Carr River Chepachet River Chockalog River Clear River Congdon River Flat River Mill River Millers River Mishnock River Moshassuck River Moswansicut River Mumford River Nipmuc River Nooseneck River North Branch Pawtuxet River Pascoag River Pawtuxet River Peters River Pocasset River Ponaganset River Providence River Quinsigamond River Seekonk River Sevenmile River South Branch Pawtuxet River Stillwater River Tannery River Ten Mile River Thacher River West River (MA) West River (RI) Wilde River Woonasquatucket River

Providence River Watershed

Tributaries