Twelve Mile Brook

Twelve Mile Brook· Kennebec, Maine· Built 1850· Concrete· 12 ft tall

Key Takeaway

Twelve Mile Brook is classified as low hazard in Maine. It was completed in 1850 and is 176 years old. Its primary use is fish and wildlife pond.

Physical Details

Dam Height 12 ft (taller than 32.9% in ME)
Dam Length10 ft
Dam TypeConcrete
Max Storage54 acre-ft
Normal Storage42 acre-ft
Surface Area7 acres
Drainage Area0 sq mi
Year Completed1850 (176 years old)
NID IDME00471

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: Yes
Regulatory Agency: MEMA

Ownership

Heifer Haven LLC

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Twelve Mile Brook?

Twelve Mile Brook 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 Twelve Mile Brook?

Twelve Mile Brook is owned by Heifer Haven LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Twelve Mile Brook built?

Twelve Mile Brook was completed in 1850, making it 176 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 Twelve Mile Brook?

Twelve Mile Brook serves the following purposes: Fish And Wildlife Pond, Other, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Twelve Mile Brook?

Twelve Mile Brook 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.

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.