Lower Naukeag Lake Dam

TRIBUTARY TO MILLERS RIVER· Worcester, Massachusetts· Built 1900· Earth· 12 ft tall
High Hazard Recreation Local Government

Key Takeaway

Lower Naukeag Lake Dam is classified as high hazard in Massachusetts. It was completed in 1900 and is 126 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 12 ft (taller than 32.1% in MA)
Dam Length450 ft
Dam TypeEarth
Max Storage2.2K acre-ft
Normal Storage830 acre-ft
Surface Area285 acres
Drainage Area11 sq mi
Year Completed1900 (126 years old)
NID IDMA00002

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: January 29, 2018
State Regulated: Yes
Regulatory Agency: DEPARTMENT OF CONSERVATION AND RECREATION

Ownership

TOWN OF ASHBURNHAM, WATER DEPARTMENT

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Lower Naukeag Lake Dam?

Lower Naukeag Lake 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 Lower Naukeag Lake Dam?

Lower Naukeag Lake Dam is owned by TOWN OF ASHBURNHAM, WATER DEPARTMENT (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Lower Naukeag Lake Dam built?

Lower Naukeag Lake Dam was completed in 1900, making it 126 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 Lower Naukeag Lake Dam?

Lower Naukeag Lake 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 Lower Naukeag Lake Dam?

Lower Naukeag Lake Dam has a dam height of 12 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 Lower Naukeag Lake Dam last inspected?

Lower Naukeag Lake Dam was last inspected on January 29, 2018. 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.