Hamilton Reservoir

ANNAQUATUCKET RIVER· Washington, Rhode Island· Earth· 10 ft tall
Significant Hazard Fish And Wildlife Pond Other Private

Key Takeaway

Hamilton Reservoir is classified as significant hazard in Rhode Island. Its primary use is fish and wildlife pond. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 10 ft (taller than 31.5% in RI)
Dam Length200 ft
Dam TypeEarth
Max Storage53 acre-ft
Normal Storage45 acre-ft
Surface Area9 acres
Drainage Area7 sq mi
Max Discharge730 cfs
NID IDRI04253

Safety Information

Significant Hazard

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

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

Emergency Action Plan: Yes
Last Inspection: September 20, 2014
State Regulated: Yes
Regulatory Agency: DS; CRMC

Ownership

DWORMAN ASSOCIATES, LTD.

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Hamilton Reservoir?

Hamilton Reservoir is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Hamilton Reservoir?

Hamilton Reservoir is owned by DWORMAN ASSOCIATES, LTD. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Hamilton Reservoir?

Hamilton Reservoir serves the following purposes: Fish And Wildlife Pond, Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Hamilton Reservoir?

Hamilton Reservoir has a dam height of 10 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 Hamilton Reservoir last inspected?

Hamilton Reservoir was last inspected on September 20, 2014. 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.