Dams in Rhode Island
Dam Safety in Rhode Island
Rhode Island has 234 dams tracked in the National Inventory of Dams. Of these, 95 (40%) are classified as high hazard — meaning failure would probably cause loss of human life — and 81 are classified as significant hazard. Currently, 126 dams in the state have a condition assessment of poor or unsatisfactory, indicating recognized safety deficiencies.
The average dam in Rhode Island is 127 years old. Many of these aging structures were built before modern dam safety standards were established, which increases the importance of regular inspections and maintenance. The most common purpose for dams in Rhode Island is recreation, accounting for 67 of the state's dams.
Use the search above to find dams near any address in Rhode Island, or browse by county below. Each dam listing includes its hazard potential classification, condition assessment, physical characteristics, and inspection history from the NID.
Rhode Island Dam Facts
| Total Dams | 234 |
| High Hazard Dams | 95 |
| Average Dam Age | 127 years |
| Tallest Dam | 189 ft |
| Largest Reservoir | 164,850 acre-ft |
| Poor/Unsatisfactory Condition | 126 |
Notable Dams in Rhode Island
Counties in Rhode Island
High Hazard Dams in Rhode Island
| Dam | County | Height | Condition | Purpose |
|---|---|---|---|---|
| Gainer Memorial | Providence | 189 ft | Fair | Water Supply |
| Diamond Hill Reservoir | Providence | 80 ft | Fair | Water Supply |
| James V Turner Reservoir | Providence | 60 ft | Fair | Recreation |
| Lawton Valley Reservoir | Newport | 48 ft | Fair | Water Supply |
| Woonsocket Reservoir # 1 | Providence | 47 ft | Fair | Water Supply |
| Harris Pond | Providence | 40 ft | Fair | Water Supply |
| Stillwater Reservoir | Providence | 39 ft | Fair | Fish and Wildlife Pond |
| Watson, Harold E, Reservoir | Newport | 38 ft | Fair | Water Supply |
| Ocean State Power | Providence | 36 ft | Fair | Other |
| Slatersville Reservoir Upper | Providence | 36 ft | Fair | |
| Georgiaville Pond | Providence | 35 ft | Fair | Recreation |
| Almy Reservoir | Providence | 33 ft | Poor | Other |
| Pawtucket Reservoir | Providence | 33 ft | Fair | Water Supply |
| Olney Pond | Providence | 30 ft | Fair | Recreation |
| Curran Upper Reservoir | Providence | 29 ft | Fair | Fish and Wildlife Pond |
| Limerock Reservoir | Providence | 28 ft | Fair | Other |
| Woonsocket Reservoir # 3 | Providence | 28 ft | Fair | Water Supply |
| Arctic | Kent | 28 ft | Fair | Other |
| Pascoag Reservoir Upper | Providence | 27 ft | Poor | Recreation |
| Slatersville Reservoir Middle | Providence | 26 ft | Fair | |
| Ponaganset Reservoir | Providence | 26 ft | Fair | Water Supply |
| Sprague Upper Reservoir | Providence | 26 ft | Fair | Recreation |
| Hawkins Pond | Providence | 24 ft | Poor | Recreation |
| Flat River Reservoir | Kent | 24 ft | Poor | Recreation |
| Centerville Pond | Kent | 23 ft | Poor | Other |
| Hughesdale Pond Upper | Providence | 22 ft | Poor | Other |
| Harrisville Pond | Providence | 22 ft | Poor | Recreation |
| Wilson Reservoir | Providence | 21 ft | Not Rated | Recreation |
| Boone Lake | Washington | 21 ft | Fair | Recreation |
| Royal Mills Dam | Kent | 21 ft | Not Rated | Hydroelectric |
| Forestdale Pond | Providence | 20 ft | Poor | |
| Gardiner Pond | Newport | 20 ft | Poor | Water Supply |
| Barney Pond | Providence | 20 ft | Fair | Recreation |
| Oak Swamp Reservoir | Providence | 20 ft | Poor | Recreation |
| Bucklin Point | Providence | 20 ft | Fair | |
| Waterman Lake | Providence | 19 ft | Poor | Recreation |
| Natick Pond Dam | Kent | 19 ft | Not Rated | |
| Sprague Lower Reservoir | Providence | 19 ft | Poor | Recreation |
| Locustville Pond | Washington | 18 ft | Fair | Hydroelectric |
| Metcalf Wildlife Marsh | Washington | 18 ft | Fair | Recreation |
| Yawgoog Pond | Washington | 17 ft | Fair | Recreation |
| Nelson Pond | Newport | 17 ft | Fair | Water Supply |
| Westconnaug Reservoir | Providence | 17 ft | Fair | Water Supply |
| Slack Reservoir | Providence | 17 ft | Fair | Recreation |
| Cranston Print Works Pond | Providence | 17 ft | Fair | Other |
| Curran Lower Reservoir | Providence | 17 ft | Poor | Fish and Wildlife Pond |
| Grist Mill Apartments | Kent | 16 ft | Poor | |
| Simmons Upper Reservoir | Providence | 16 ft | Poor | Debris Control |
| Peace Dale Pond | Washington | 16 ft | Fair | Other |
| Arnold Pond | Kent | 15 ft | Satisfactory | Other |
| Coventry Reservoir | Kent | 15 ft | Poor | Recreation |
| Tiogue Lake | Kent | 15 ft | Poor | Recreation |
| Keech Pond | Providence | 15 ft | Poor | Recreation |
| Wyoming Upper | Washington | 15 ft | Satisfactory | Fish and Wildlife Pond |
| Camp Warwick Pond | Kent | 15 ft | Fair | Recreation |
| Sisson Pond | Newport | 14 ft | Fair | Water Supply |
| Clarkville Pond | Providence | 14 ft | Poor | Recreation |
| Miscoe Lake | Providence | 14 ft | Fair | |
| Bowdish Reservoir | Providence | 14 ft | Fair | Recreation |
| Easton Pond North | Newport | 14 ft | Fair | Water Supply |
| Easton Pond South | Newport | 13 ft | Fair | Water Supply |
| Handy Pond Upper | Providence | 12 ft | Poor | Other |
| Wilbur Pond | Providence | 12 ft | Poor | Recreation |
| Simmons Lower Reservoir | Providence | 12 ft | Not Rated | Other |
| St Marys Pond | Newport | 12 ft | Poor | Water Supply |
| Burlingame Reservoir Upper | Providence | 12 ft | Poor | Fish and Wildlife Pond |
| Silver Spring Lake | Washington | 12 ft | Satisfactory | Fish and Wildlife Pond |
| Wenscott Reservoir | Providence | 12 ft | Fair | Recreation |
| Yorker Mill Pond | Washington | 12 ft | Fair | Other |
| Spear Pond | Providence | 11 ft | Poor | Fire Protection, Stock, Or Small Fish Pond |
| Black Rock Reservoir | Kent | 11 ft | Poor | Recreation |
| Hopkins Pond | Providence | 11 ft | Fair | Other |
| Hefler Farm Pond | Washington | 11 ft | Poor | Fire Protection, Stock, Or Small Fish Pond |
| Moffett Pond | Providence | 10 ft | Fair | Other |
| Pearce Pond | Kent | 10 ft | Fair | Other |
| Asa Pond | Washington | 10 ft | Fair | Recreation |
| Carr Pond | Washington | 10 ft | Satisfactory | Recreation |
| Clarke's Pond Upper | Providence | 10 ft | Fair | Other |
| Wakefield Pond | Washington | 9 ft | Poor | Other |
| Butterfly Pond | Providence | 8 ft | Fair | Other |
| White's Pond | Washington | 8 ft | Fair | Fish and Wildlife Pond |
| Bleachery Pond | Providence | 8 ft | Fair | Hydroelectric |
| Holley Lane Pond | Providence | 8 ft | Poor | |
| Slocum Reservoir | Washington | 8 ft | Fair | Recreation |
| Stone Pond | Providence | 8 ft | Fair | Recreation |
| Bridlewood Pond | Providence | 7 ft | Fair | Recreation |
| Lake Washington | Providence | 6 ft | Poor | Recreation |
| Bridlewood Upper End | Providence | 5 ft | Poor | |
| Bowdish Lower | Providence | 0 ft | Poor | |
| Creamer | Newport | 0 ft | Fair | |
| Rodman Mill | Washington | 0 ft | Poor | |
| Shady Lea Mill | Washington | 0 ft | Not Rated | |
| Louisquisset Flood Control | Providence | 0 ft | Poor | Flood Risk Reduction |
| Slocum Woods | Washington | 0 ft | Fair | Irrigation |
| Slocum Road Upper | Washington | 0 ft | Poor |