Hopkins Mill Pond

PONAGANSET RIVER· Providence, Rhode Island· Built 1865· Rockfill· 5 ft tall
Low Hazard Other Local Government

Key Takeaway

Hopkins Mill Pond is classified as low hazard in Rhode Island. It was completed in 1865 and is 161 years old. Its primary use is other.

Physical Details

Dam Height 5 ft (taller than 0.9% in RI)
Dam Length120 ft
Dam TypeRockfill
Max Storage109 acre-ft
Normal Storage50 acre-ft
Drainage Area13 sq mi
Year Completed1865 (161 years old)
NID IDRI01203

Safety Information

Low Hazard

No probable loss of human life and low economic/environmental losses expected.

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

Emergency Action Plan: No
State Regulated: No

Ownership

PROVIDENCE WATER SUPPLY BOARD/CITY OF PROVIDENCE

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Hopkins Mill Pond?

Hopkins Mill Pond is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Hopkins Mill Pond?

Hopkins Mill Pond is owned by PROVIDENCE WATER SUPPLY BOARD/CITY OF PROVIDENCE (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Hopkins Mill Pond built?

Hopkins Mill Pond was completed in 1865, making it 161 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

What is the primary purpose of Hopkins Mill Pond?

Hopkins Mill Pond 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 Hopkins Mill Pond?

Hopkins Mill Pond has a dam height of 5 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.

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.