Lowell Reservoir Dam

OFF STREAM· Middlesex, Massachusetts· Built 1872· Earth· 26 ft tall
High Hazard Recreation Local Government

Key Takeaway

Lowell Reservoir Dam is classified as high hazard in Massachusetts. It was completed in 1872 and is 154 years old. Its primary use is recreation. 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 26 ft (taller than 81.7% in MA)
Dam Length1,650 ft
Dam TypeEarth
Max Storage114 acre-ft
Normal Storage84 acre-ft
Surface Area5 acres
Drainage Area0 sq mi
Year Completed1872 (154 years old)
NID IDMA01188

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: December 21, 2015
State Regulated: Yes
Regulatory Agency: DEPARTMENT OF CONSERVATION AND RECREATION

Ownership

CITY OF LOWELL, LOWELL REGIONAL WATER UTILITY

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Lowell Reservoir Dam?

Lowell Reservoir Dam 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 Lowell Reservoir Dam?

Lowell Reservoir Dam is owned by CITY OF LOWELL, LOWELL REGIONAL WATER UTILITY (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Lowell Reservoir Dam built?

Lowell Reservoir Dam was completed in 1872, making it 154 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 Lowell Reservoir Dam?

Lowell Reservoir Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Lowell Reservoir Dam?

Lowell Reservoir Dam has a dam height of 26 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 Lowell Reservoir Dam last inspected?

Lowell Reservoir Dam was last inspected on December 21, 2015. 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.