Dams in Rhode Island

%!s(int=234)Total Dams
95High Hazard
81Significant
58Low Hazard

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 Dams234
High Hazard Dams95
Average Dam Age127 years
Tallest Dam189 ft
Largest Reservoir164,850 acre-ft
Poor/Unsatisfactory Condition126

Notable Dams in Rhode Island

Counties in Rhode Island

High Hazard Dams in Rhode Island

DamCountyHeightConditionPurpose
Gainer MemorialProvidence189 ftFairWater Supply
Diamond Hill ReservoirProvidence80 ftFairWater Supply
James V Turner ReservoirProvidence60 ftFairRecreation
Lawton Valley ReservoirNewport48 ftFairWater Supply
Woonsocket Reservoir # 1Providence47 ftFairWater Supply
Harris PondProvidence40 ftFairWater Supply
Stillwater ReservoirProvidence39 ftFairFish and Wildlife Pond
Watson, Harold E, ReservoirNewport38 ftFairWater Supply
Ocean State PowerProvidence36 ftFairOther
Slatersville Reservoir UpperProvidence36 ftFair
Georgiaville PondProvidence35 ftFairRecreation
Almy ReservoirProvidence33 ftPoorOther
Pawtucket ReservoirProvidence33 ftFairWater Supply
Olney PondProvidence30 ftFairRecreation
Curran Upper ReservoirProvidence29 ftFairFish and Wildlife Pond
Limerock ReservoirProvidence28 ftFairOther
Woonsocket Reservoir # 3Providence28 ftFairWater Supply
ArcticKent28 ftFairOther
Pascoag Reservoir UpperProvidence27 ftPoorRecreation
Slatersville Reservoir MiddleProvidence26 ftFair
Ponaganset ReservoirProvidence26 ftFairWater Supply
Sprague Upper ReservoirProvidence26 ftFairRecreation
Hawkins PondProvidence24 ftPoorRecreation
Flat River ReservoirKent24 ftPoorRecreation
Centerville PondKent23 ftPoorOther
Hughesdale Pond UpperProvidence22 ftPoorOther
Harrisville PondProvidence22 ftPoorRecreation
Wilson ReservoirProvidence21 ftNot RatedRecreation
Boone LakeWashington21 ftFairRecreation
Royal Mills DamKent21 ftNot RatedHydroelectric
Forestdale PondProvidence20 ftPoor
Gardiner PondNewport20 ftPoorWater Supply
Barney PondProvidence20 ftFairRecreation
Oak Swamp ReservoirProvidence20 ftPoorRecreation
Bucklin PointProvidence20 ftFair
Waterman LakeProvidence19 ftPoorRecreation
Natick Pond DamKent19 ftNot Rated
Sprague Lower ReservoirProvidence19 ftPoorRecreation
Locustville PondWashington18 ftFairHydroelectric
Metcalf Wildlife MarshWashington18 ftFairRecreation
Yawgoog PondWashington17 ftFairRecreation
Nelson PondNewport17 ftFairWater Supply
Westconnaug ReservoirProvidence17 ftFairWater Supply
Slack ReservoirProvidence17 ftFairRecreation
Cranston Print Works PondProvidence17 ftFairOther
Curran Lower ReservoirProvidence17 ftPoorFish and Wildlife Pond
Grist Mill ApartmentsKent16 ftPoor
Simmons Upper ReservoirProvidence16 ftPoorDebris Control
Peace Dale PondWashington16 ftFairOther
Arnold PondKent15 ftSatisfactoryOther
Coventry ReservoirKent15 ftPoorRecreation
Tiogue LakeKent15 ftPoorRecreation
Keech PondProvidence15 ftPoorRecreation
Wyoming UpperWashington15 ftSatisfactoryFish and Wildlife Pond
Camp Warwick PondKent15 ftFairRecreation
Sisson PondNewport14 ftFairWater Supply
Clarkville PondProvidence14 ftPoorRecreation
Miscoe LakeProvidence14 ftFair
Bowdish ReservoirProvidence14 ftFairRecreation
Easton Pond NorthNewport14 ftFairWater Supply
Easton Pond SouthNewport13 ftFairWater Supply
Handy Pond UpperProvidence12 ftPoorOther
Wilbur PondProvidence12 ftPoorRecreation
Simmons Lower ReservoirProvidence12 ftNot RatedOther
St Marys PondNewport12 ftPoorWater Supply
Burlingame Reservoir UpperProvidence12 ftPoorFish and Wildlife Pond
Silver Spring LakeWashington12 ftSatisfactoryFish and Wildlife Pond
Wenscott ReservoirProvidence12 ftFairRecreation
Yorker Mill PondWashington12 ftFairOther
Spear PondProvidence11 ftPoorFire Protection, Stock, Or Small Fish Pond
Black Rock ReservoirKent11 ftPoorRecreation
Hopkins PondProvidence11 ftFairOther
Hefler Farm PondWashington11 ftPoorFire Protection, Stock, Or Small Fish Pond
Moffett PondProvidence10 ftFairOther
Pearce PondKent10 ftFairOther
Asa PondWashington10 ftFairRecreation
Carr PondWashington10 ftSatisfactoryRecreation
Clarke's Pond UpperProvidence10 ftFairOther
Wakefield PondWashington9 ftPoorOther
Butterfly PondProvidence8 ftFairOther
White's PondWashington8 ftFairFish and Wildlife Pond
Bleachery PondProvidence8 ftFairHydroelectric
Holley Lane PondProvidence8 ftPoor
Slocum ReservoirWashington8 ftFairRecreation
Stone PondProvidence8 ftFairRecreation
Bridlewood PondProvidence7 ftFairRecreation
Lake WashingtonProvidence6 ftPoorRecreation
Bridlewood Upper EndProvidence5 ftPoor
Bowdish LowerProvidence0 ftPoor
CreamerNewport0 ftFair
Rodman MillWashington0 ftPoor
Shady Lea MillWashington0 ftNot Rated
Louisquisset Flood ControlProvidence0 ftPoorFlood Risk Reduction
Slocum WoodsWashington0 ftFairIrrigation
Slocum Road UpperWashington0 ftPoor