St Marys Pond

High HazardPoor ConditionEmergency Action Plan: No

Location

StateRhode Island
CountyNewport
Nearest CityPORTSMOUTH
River/StreamLAWTON VALLEY BROOK
Coordinates41.55445, -71.27328

Physical Characteristics

Dam TypeRockfill
NID Height12 ft
Dam Height12 ft
Dam Length2,288 ft
Year Completed1878 (148 years old)

Storage & Hydraulics

NID Storage1,220 acre-ft
Max Storage1,220 acre-ft
Normal Storage1,040 acre-ft
Surface Area117 acres
Drainage Area1 sq mi
Max Discharge375 cfs

Ownership & Safety

PurposeWater Supply
OwnerNEWPORT, CITY OF
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentPoor
Emergency Action PlanNo

Identifiers

NID IDRI02703
Federal IDRI02703
More InfoState Dam Safety Program

Nearby Dams

Sisson Pond 0.3 mi High Lawton Valley Reservoir 0.9 mi High Melville #1 2.6 mi Significant Nonquit Pond 3.9 mi Significant Easton Pond North 4.3 mi High Watson, Harold E, Reservoir 4.4 mi High Nelson Pond 4.4 mi High Easton Pond South 4.5 mi High Gardiner Pond 4.7 mi High Jamestown Reservoir 5.5 mi Significant