Rocky Brook Reservoir

Rocky Brook Reservoir is an earth dam located in Washington County, Rhode Island. It carries a Significant hazard potential classification and has a poor condition assessment.

About Rocky Brook Reservoir

Rocky Brook Reservoir is a dam in Washington, Rhode Island. The dam is owned by South Kingstown, Town Of (local government). It impounds the Rocky Brook near South Kingstown.

The dam stands 8 feet tall and stretches 300 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 35 acre-feet, and collects water from a drainage area of 3 square miles.

This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. An emergency action plan is in place for this dam.

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Significant HazardPoor ConditionEmergency Action Plan: Yes

Location

StateRhode Island
CountyWashington
Nearest CitySouth Kingstown
River/StreamRocky Brook
Coordinates41.45530, -71.50694

Physical Characteristics

Dam TypeEarth
NID Height8 ft
Dam Height8 ft
Dam Length300 ft

Storage & Hydraulics

NID Storage35 acre-ft
Max Storage35 acre-ft
Normal Storage25 acre-ft
Surface Area7 acres
Drainage Area3 sq mi

Ownership & Safety

PurposeOther
OwnerSOUTH KINGSTOWN, TOWN OF
Owner TypeLocal Government
Hazard ClassificationSignificant
Condition AssessmentPoor
Emergency Action PlanYes

Identifiers

NID IDRI04384
Federal IDRI04384
More InfoState Dam Safety Program

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