Ocean State Power

Providence, Rhode Island· 36 ft tall
High Hazard Other Private

Key Takeaway

Ocean State Power is classified as high hazard in Rhode Island. Its primary use is other. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.

Physical Details

Dam Height 36 ft (taller than 97.3% in RI)
Dam Length1,000 ft
Max Storage86 acre-ft
Normal Storage50 acre-ft
Surface Area6 acres
Drainage Area28 sq mi
Max Discharge23 cfs
NID IDRI04557

Safety Information

High Hazard

Loss of human life is likely if the dam fails.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: Yes
Last Inspection: June 29, 2016
State Regulated: Yes
Regulatory Agency: DS

Ownership

OCEAN STATE POWER & OCEAN STATE POWER II

Private

Nearby Dams

Slatersville Reservoir Upper

Providence, RI

High Hazard 27 ft

Slatersville Reservoir Middle

Providence, RI

High Hazard 26 ft

Tarkiln Pond

Providence, RI

Low Hazard 10 ft

Slatersville Reservoir Lower

Providence, RI

Significant Hazard 15 ft

Nichols Pond

Providence, RI

Significant Hazard 9 ft

Forestdale Pond

Providence, RI

High Hazard 20 ft

Ironstone Reservoir Dam

Worcester, MA

Significant Hazard 10 ft

Oakland Pond

Providence, RI

Low Hazard 11 ft

Frequently Asked Questions

What is the hazard classification of Ocean State Power?

Ocean State Power is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Ocean State Power?

Ocean State Power is owned by OCEAN STATE POWER & OCEAN STATE POWER II (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Ocean State Power?

Ocean State Power serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Ocean State Power?

Ocean State Power has a dam height of 36 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.

When was Ocean State Power last inspected?

Ocean State Power was last inspected on June 29, 2016. Inspection dates indicate when a formal review occurred, not the results of that inspection.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.