Ware Upper

Ware River· Hampshire, Massachusetts· Built 1890· Masonry· 34 ft tall
Low Hazard Hydroelectric Private

Key Takeaway

Ware Upper is classified as low hazard in Massachusetts. It was completed in 1890 and is 136 years old. Its primary use is hydroelectric.

Physical Details

Dam Height 34 ft (taller than 90% in MA)
Dam Length250 ft
Dam TypeMasonry
Max Storage210 acre-ft
Normal Storage210 acre-ft
Surface Area65 acres
Drainage Area167 sq mi
Max Discharge2,500 cfs
Year Completed1890 (136 years old)
NID IDMA00594

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
Last Inspection: August 2, 2022
State Regulated: No

Ownership

Pioneer Hydro Electric Company, Inc.

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Ware Upper?

Ware Upper 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 Ware Upper?

Ware Upper is owned by Pioneer Hydro Electric Company, Inc. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Ware Upper built?

Ware Upper was completed in 1890, making it 136 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 Ware Upper?

Ware Upper serves the following purposes: Hydroelectric. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Ware Upper?

Ware Upper has a dam height of 34 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 Ware Upper last inspected?

Ware Upper was last inspected on August 2, 2022. 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.