St Marys Pond

Newport County, Rhode Island (near PORTSMOUTH)

River/Stream: LAWTON VALLEY BROOK

High Hazard

Failure would likely cause loss of life

Key Facts

Dam Type
Rockfill
Height
12 ft
Dam Length
2,288 ft
Reservoir Storage
1,220 acre-ft
Year Completed
1878
Primary Purpose
Water Supply
Owner Type
Local Government
Max Discharge
375 cfs

Condition Assessment

Poor

Hazard Classification: High — This describes the potential consequences of dam failure, not the likelihood of failure.

Condition Assessment: Poor — This describes the current physical condition of the dam based on the most recent inspection.

Location

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Quick Stats

NID ID
RI02703
State
Rhode Island (RI)
Coordinates
41.55445, -71.27328
Age
148 years

Nearby Dams

External Resources

Data sourced from the National Inventory of Dams (NID). Information may not reflect the most current status of this dam. Hazard classification reflects potential consequences of failure, not the likelihood of failure or the current condition.