Notown Reservoir Dike

MONOOSNOC BROOK· Worcester, Massachusetts· Built 1876· Earth· 25 ft tall
High Hazard Water Supply Local Government

Key Takeaway

Notown Reservoir Dike is classified as high hazard in Massachusetts. It was completed in 1876 and is 150 years old. Its primary use is water supply. 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 25 ft (taller than 79.2% in MA)
Dam Length750 ft
Dam TypeEarth
Max Storage3.9K acre-ft
Normal Storage1.9K acre-ft
Surface Area200 acres
Drainage Area5 sq mi
Year Completed1876 (150 years old)
NID IDMA01240

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 6, 2016
State Regulated: Yes
Regulatory Agency: DEPARTMENT OF CONSERVATION AND RECREATION

Ownership

CITY OF LEOMINSTER, DEPARTMENT OF PUBLIC WORKS

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Notown Reservoir Dike?

Notown Reservoir Dike 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 Notown Reservoir Dike?

Notown Reservoir Dike is owned by CITY OF LEOMINSTER, DEPARTMENT OF PUBLIC WORKS (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Notown Reservoir Dike built?

Notown Reservoir Dike was completed in 1876, making it 150 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 Notown Reservoir Dike?

Notown Reservoir Dike serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Notown Reservoir Dike?

Notown Reservoir Dike has a dam height of 25 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 Notown Reservoir Dike last inspected?

Notown Reservoir Dike was last inspected on December 6, 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.