Ulmer Brook

Ulmer Brook· Hancock, Maine· Built 1981· Earth· 10 ft tall
Significant Hazard Recreation Fish And Wildlife Pond Private

Key Takeaway

Ulmer Brook is classified as significant hazard in Maine. It was completed in 1981 and is 45 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 10 ft (taller than 18.4% in ME)
Dam Length400 ft
Dam TypeEarth
Max Storage68 acre-ft
Normal Storage23 acre-ft
Surface Area15 acres
Drainage Area1 sq mi
Year Completed1981 (45 years old)
NID IDME96076

Safety Information

Significant Hazard

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: Yes
Last Inspection: May 23, 2017
State Regulated: Yes
Regulatory Agency: MEMA

Ownership

Evelyn Joost

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Ulmer Brook?

Ulmer Brook is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Ulmer Brook?

Ulmer Brook is owned by Evelyn Joost (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Ulmer Brook built?

Ulmer Brook was completed in 1981, making it 45 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 Ulmer Brook?

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

How tall is Ulmer Brook?

Ulmer Brook has a dam height of 10 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 Ulmer Brook last inspected?

Ulmer Brook was last inspected on May 23, 2017. 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.