Half Moon Pond

Halfmoon Pond· Waldo, Maine· Concrete· 10 ft tall
Low Hazard Water Supply Public Utility

Key Takeaway

Half Moon Pond is classified as low hazard in Maine. Its primary use is water supply.

Physical Details

Dam Height 10 ft (taller than 18.4% in ME)
Dam Length30 ft
Dam TypeConcrete
Max Storage0 acre-ft
Normal Storage880 acre-ft
Surface Area176 acres
Drainage Area0 sq mi
Year Modified1970
NID IDME96061

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 19, 1997
State Regulated: Yes
Regulatory Agency: MEMA

Ownership

Searsport Water District

Public Utility

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Half Moon Pond?

Half Moon Pond 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 Half Moon Pond?

Half Moon Pond is owned by Searsport Water District (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Half Moon Pond?

Half Moon Pond 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 Half Moon Pond?

Half Moon Pond 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 Half Moon Pond last inspected?

Half Moon Pond was last inspected on August 19, 1997. 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.